• The group has a long history in the field of electron spectroscopy and is today the Swedish leader in 3D momentum imaging spectroscopy. (lu.se)
  • This page deals with the electron affinity as a property of isolated atoms or molecules (i.e. in the gas phase). (wikipedia.org)
  • In particular, we analyze the analogies between quantum rings comprising electrons and 3 He atoms. (rsc.org)
  • Atomic and molecular physics focuses on the behavior of electrons and nuclei in atoms and molecules, and the interactions between them. (researchandmarkets.com)
  • Image credit: UC Davis ChemWiki, via http://chemwiki.ucdavis.edu/Physical_Chemistry/Quantum_Mechanics/Atomic_Theory/Electrons_in_Atoms/Electronic_Orbitals , under c.c.-by-3.0. (bigthink.com)
  • Similarly, when the Universe cools enough that neutral atoms can form, it isn't quite a "planetary orbit" model like you might think of a la the Bohr atom , but rather occupy specific quantum states, all with their own intrinsic spin and orbital angular momenta, as illustrated above. (bigthink.com)
  • The formation of these 2-center-1-electron bonds have also been confirmed by topological survey of electron density using quantum theory of atoms in molecules and electron localization function. (authorea.com)
  • We introduce the association-dissociation model of neutral hydrogen molecule, which is a finite-dimensional cavity quantum electrodynamics model of chemistry with two two-level artificial atoms on quantum dots placed in optical cavities, based on the Tavis-Cummings-Hubbard model. (arxiv.org)
  • Atoms and molecules in cavities, from weak to strong coupling in quantum-electrodynamics (QED) chemistry. (cuny.edu)
  • Quantum mechanical calculation are very demanding, with even the most approximate methods available today being limited to around 10 000 atoms. (lu.se)
  • Electronic supplementary information (ESI) available: Protein coordinates and the point charges on all the atoms in the MM region (in PDB format) and the equilibrium geometries of the quantum region for all of the studied structures. (lu.se)
  • 2/5 · describe several basic phenomena that arise on interaction between light and matter, · describe concepts that are relevant for spectroscopic measurements and data analysis, · explain the fundamentals of the quantum mechanical description of atoms, molecules and solid materials, · reproduce the principles of the different spectroscopic methods treated in the course, and which examine the electronic structure of matter, particularly electron spectroscopy. (lu.se)
  • Interaction between light and matter, primarily atoms, · Chemical bonds in molecules and condensed matter and their relation to the quantum mechanical description, · Spectroscopies to examine the electronic structure of matter, in particular electron spectroscopy, as well as band structure, chemical and structural properties. (lu.se)
  • Winner of the 2023 Nobel Prize in Chemistry Massachusetts Institute of Technology scientist Moungi Bawendi speaks on a phone at his home, in Cambridge, Mass, Wednesday, Oct. 4, 2023. (kron4.com)
  • The Journal of Physical Chemistry C 2023 , 127 (29) , 14326-14335. (acs.org)
  • Ellison, G.B. (2002), "Atomic and molecular electron affinities: Photoelectron experiments and theoretical computations", Chem. (wikipedia.org)
  • Kebarle, P. (1986), "Electron affinities of di- and tetracyanoethylene and cyanobenzenes based on measurements of gas-phase electron-transfer equilibria", J. Am. Chem. (wikipedia.org)
  • Beauchamp, J.L. (1979), "The electron and fluoride affinities of tungsten hexafluoride by ion cyclotron resonance spectroscopy", Chem. (wikipedia.org)
  • Wang, Lai-Sheng (2014), "High-resolution photoelectron imaging of cold C− 60 anions and accurate determination of the electron affinity of C60", J. Chem. (wikipedia.org)
  • Lineberger, W.C. (1986), "Electron affinities of the alkali halides and the structure of their negative ions", J. Chem. (wikipedia.org)
  • 3] R. Langhoff, R.E. Davidson, Int. J. Quantum Chem. (degruyter.com)
  • 10] P.-O. Löwdin, Int. J. Quantum Chem. (degruyter.com)
  • 18] R.J. Bartlett, G.D. Purvis, Int. J. Quantum Chem. (degruyter.com)
  • B. Weiner and J. V. Ortiz*, Construction of Unique Canonical Coefficients for Antisymmetrized Geminal Power States, Int. J. Quantum Chem. (auburn.edu)
  • F. J. Tenorio, I. Murray, A. Martínez, K. J. Klabunde and J. V. Ortiz*, Products of the addition of water molecules to Al 3 O 3 - clusters: structure, bonding and electron binding energies in Al 3 O 4 H 2 - , Al 3 O 5 H 4 - , Al 3 O 4 H 2 and Al 3 O 5 H 4 , J. Chem. (auburn.edu)
  • J. V. Ortiz*, Review of Propagators in Quantum Chemistry, second edition, by Jan Linderberg and Yngve Öhrn, Int. J. Quantum Chem. (auburn.edu)
  • G. Seabra, I. G. Kaplan, V. G. Zakrzewski and J. V. Ortiz*, Electron Propagator Theory Calculations of Molecular Photoionization Cross Sections: First Row Hydrides, J. Chem. (auburn.edu)
  • J. V. Ortiz*, Brueckner Orbitals, Dyson Orbitals and Correlation Potentials, Int. J. Quantum Chem. (auburn.edu)
  • The electron affinities Eea of some molecules are given in the table below, from the lightest to the heaviest. (wikipedia.org)
  • Furthermore, the splitting of molecules by recombination with electrons at low temperature is a resonant quantum collision. (mpg.de)
  • It was not practically possible to handle the complicated mathematical relations of quantum mechanics for such complex systems as molecules. (nobelprize.org)
  • Conventional calculation of the properties of molecules is based on a description of the motion of individual electrons. (nobelprize.org)
  • However, state-of-the-art experiments often create environments where this is not the case: Core vacancies produced by X rays, temporary anions obtained by attachment of slow electrons, and molecules exposed to quasistatic laser fields all undergo electronic decay. (q-chem.com)
  • The new results and techniques, described in the Feb. 12 issue of Science ( 'Quantum-State Controlled Chemical Reactions of Ultracold KRb Molecules' ), will help scientists understand previously unknown aspects of how molecules interact, a key to advancing biology, creating new materials, producing energy and other research areas. (nanowerk.com)
  • The molecules are near absolute zero, a temperature at which quantum properties reign. (nanowerk.com)
  • The fact that such an image can be created indicates the molecular quantum gas is dense enough to enable scientists to observe novel interactions among the molecules. (nanowerk.com)
  • In addition, the field of quantum chemistry has existed for decades to study the effects of the quantum behavior of electrons and nuclei-constituents of molecules. (nanowerk.com)
  • But until now scientists have been unable to observe direct consequences of quantum mechanical motions of whole molecules on the chemical reaction process. (nanowerk.com)
  • By precisely controlling the ultracold molecules' internal states-electronic energy levels, vibrations, rotations and nuclear spin (or angular momentum)-while also controlling the molecular motions at the quantum level, JILA scientists can study how the molecules scatter or interact with each other quantum mechanically. (nanowerk.com)
  • This new window into molecular behavior has allowed the observation of long-range interactions in which quantum mechanics determines whether two molecules should come together to react or stay apart. (nanowerk.com)
  • The JILA quantum chemistry experiments were performed with a gas containing up to 1 trillion molecules per cubic centimeter at temperatures of a few hundred billionths of a Kelvin (nanokelvins) above absolute zero (minus 273 degrees Celsius or minus 459 degrees Fahrenheit). (nanowerk.com)
  • Fundamental studies of photoelectrochemical processes in complex materials, including photophysics and photochemistry of light-harvesting and light-emitting molecules, as well as energy and electron transfer processes in supramolecular systems and molecular-semiconductor hybrid nanomaterials. (lu.se)
  • In our group we use advanced organic chemistry to covalently build up the molecules (building blocks) we want to assemble by non-covalent interactions after designing the molecules with respect to hydrogen-bonding pattern and their spatial positions to form the desired aggregate. (lu.se)
  • The growth of quantum mechanics in physics at the beginning of the 1900s opened new possibilities, but applications within chemistry were long in coming. (nobelprize.org)
  • Things began to move at the beginning of the 1960s when computers came into use for solving these equations and quantum chemistry (the application of quantum mechanics to chemical problems) emerged as a new branch of chemistry. (nobelprize.org)
  • These methods are based on the fundamental laws of quantum mechanics as defined by, among others, the physicist E. Schrödinger. (nobelprize.org)
  • The laws of quantum mechanics as formulated more than 70 years ago make it theoretically possible to understand and calculate how electrons and atomic nuclei interact to build up matter in all its forms. (nobelprize.org)
  • The underlying "particle in a box" theory of quantum mechanics was first described nearly a century ago. (kron4.com)
  • Nanowerk News ) Physicists at JILA have for the first time observed chemical reactions near absolute zero, demonstrating that chemistry is possible at ultralow temperatures and that reaction rates can be controlled using quantum mechanics, the peculiar rules of submicroscopic physics. (nanowerk.com)
  • This book provides an introduction into the quantum mechanics of the interacting electron gas. (e-booksdirectory.com)
  • It aims at students at the graduate level, that already have a good understanding on one-particle quantum mechanics. (e-booksdirectory.com)
  • In order to understand how electrons behave and interact, quantum mechanics is required. (lu.se)
  • The module contains lectures to describe the relation between quantum mechanics and spectroscopic methods, with increasing complexity. (lu.se)
  • These involve ultrafast pump-probe applications of Angstrom wavelength X-ray free electron lasers, plasma physics, ultrafast optical lasers and particle accelerators, quantum chemistry and theoretical physics. (imperial.ac.uk)
  • Time resolved information about these processes can be obtained using free electron lasers or attosecond light sources. (lu.se)
  • Traditionally, chemistry has focused on processes in which all electrons remain bound to the nuclei. (q-chem.com)
  • All around us, from the micro to the macro, we see things revolving around other things: electrons around nuclei, moons around planets, planets around stars, stars around galaxy cores (I think). (bigthink.com)
  • The motion of the nuclei can be represented in quantum form. (arxiv.org)
  • It has taken more than thirty years for a large number of researchers to render these calculations practicable, and the method is now one of the most widely used in quantum chemistry. (nobelprize.org)
  • This multidisciplinary study combined bioengineering work, optical and vibrational spectroscopy, static and kinetic crystallography performed with synchrotrons or an X-ray free electron laser, as well as quantum chemistry calculations. (cea.fr)
  • Quantum chemical version of the density matrix renormalization group approach (QC-DMRG) is a method of choice for accurate calculations of strongly correlated molecular systems requiring very large active spaces. (aps.org)
  • We interpreted our results in the light of quantum chemistry calculations. (cea.fr)
  • Quantum chemical investigations of semiconductor nanomaterials and surfaces, including first principles atomistic calculations of pure and sensitized transition metal oxide (MOx) wide bandgap semiconductor nanoparticles, as well as III-V nanostructured materials. (lu.se)
  • Owing to the complicated electronic structure of these low-spin exchange coupled systems, multireference quantum chemical calculations at the complete-active space second-order perturbation theory (CASPT2) were used in an attempt to benchmark the barrier heights obtained at the DFT(B3LYP) level. (lu.se)
  • The analysis has been supported by quantum chemical calculations probing the electrophilicities of the reactive chemicals. (cdc.gov)
  • For this purpose we use molecular modeling and quantum mechanical calculations. (lu.se)
  • It is a subfield of atomic, molecular, and optical physics, and is closely related to other fields such as quantum chemistry, condensed matter physics, and biophysics. (researchandmarkets.com)
  • The keynote seminar, entitled "Mapping Atomic Motions with Ultrabright Electrons: Fundamental Space-Time Limits to Imaging Chemistry and Biology", was given by Professor Dwayne Miller, director of the Max Planck Institute for Structure and Dynamics of Matter. (imperial.ac.uk)
  • Our research focuses on the use of quantum logic techniques to prepare, control, and measure the rovibrational and electronic states of single trapped molecular ions using co-trapped atomic ions. (nist.gov)
  • Two pairs of Raman beams derived from a CW and a pulsed laser (an optical frequency comb) are used to address molecular transitions and transduce quantum information from the molecule to a shared motional mode between the molecular and atomic ions and further to the atomic ion, on which it can be read out by state dependent fluorescence. (nist.gov)
  • Laser beams addressing Ca + enable cooling and quantum operations to extract information about the molecule via the shared motion and the state of the atomic ion from the shared motional mode between the two ions. (nist.gov)
  • In this project, the tools of quantum information processing developed on atomic ions are extended to performing precision measurement and quantum-state control of single molecular ions. (nist.gov)
  • By laser cooling the atomic ions, the shared motional modes can be cooled to the quantum mechanical ground state. (nist.gov)
  • This transduction of quantum information from the molecular ion to the atomic ion has enabled preparation and nondestructive detection of a CaH+ ion in pure quantum states [chou17], and entanglement between a molecular ion and an atomic ion [lin20]. (nist.gov)
  • Despite the ever-increasing need to understand these energy conversion and transport processes in many fields of Physics, Chemistry, and Biology, many challenges must be addressed due to the multiscale nature of the problem - from atomic to nanoscopic length and time scale. (lu.se)
  • Such an understanding is of fundamental importance for many fields in both basic and applied research in atomic, molecular and solid state physics, and in materials science and chemistry. (lu.se)
  • Blondel, C. (2006), "High precision measurement of the 32SH electron affinity by laser detachment microscopy", J. Mol. (wikipedia.org)
  • Selected area electron diffraction ( SAED ), X-ray diffraction ( XRD ) and transmission electron microscopy ( TEM ) show the material to be hexagonal. (rsc.org)
  • The crystallinity of the material was also evident from high resolution transmission electron microscopy ( HRTEM ) which gave well-defined images of particles with clear lattice fringes. (rsc.org)
  • This Perspective discusses how different single particle imaging and spectroscopy techniques together with electron microscopy can be applied to reveal the relationships between the plasmonic response and the morphology of individual nanoparticles as well as their assemblies. (acs.org)
  • Conventional techniques employed to detect NPs in tissues such as transmission electron microscopy coupled with energy dispersive x-ray spectroscopy offer superior nanoscale resolution, however pose limitations due to the high cost of sample processing and limited sample analysis throughput. (cdc.gov)
  • Photoemission electron microscopy (PEEM) is unique in that it offers easy access to all these contrast mechanisms with nanometer-scale resolutions in a single instrument. (lu.se)
  • The Royal Swedish Academy of Sciences has awarded the 1998 Nobel Prize in Chemistry to Professor Walter Kohn , University of California at Santa Barbara, USA and, Professor John A. Pople , Northwestern University, Evanston, Illinois, USA (British citizen). (nobelprize.org)
  • STOCKHOLM (AP) - Three scientists won the Nobel Prize in chemistry Wednesday for their work on quantum dots - tiny particles just a few nanometers in diameter that can release very bright colored light and whose applications in everyday life include electronics and medical imaging. (kron4.com)
  • Quantum dots are tiny inorganic particles that glow a range of colors from red to blue when exposed to light. (kron4.com)
  • But it wasn't until several decades later that scientists could manufacture quantum dots in a lab. (kron4.com)
  • Today quantum dots are commonly used in electronics displays and biomedical imaging. (kron4.com)
  • Public broadcaster SVT said the release said they were receiving the prize for the "discovery and synthesis of quantum dots. (kron4.com)
  • EPR spectra and ICP results confirm the quantitative incorporation of manganese into the ZnS quantum dots . (rsc.org)
  • Semiconductor quantum dots (QDs) and metal oxide NPs (titanium dioxide (TiO2)) have been widely used to study NP-skin interactions due to their commercial importance. (cdc.gov)
  • to Walter Kohn for his development of the density-functional theory and to John Pople for his development of computational methods in quantum chemistry. (nobelprize.org)
  • As we approach the end of the 1990s we are seeing the result of an enormous theoretical and computational development, and the consequences are revolutionising the whole of chemistry. (nobelprize.org)
  • We are interested in both the development of new computational methods to describe these regimes, e.g. quantum-electrodynamical density-functional theory, or polaritonic coupled-cluster methods, as well as their applications in catalysis, spectroscopy, quantum-information simulators. (cuny.edu)
  • The ever growing field of Computational electronic structure theory combines theoretical physics and chemistry, math and computer science. (e-booksdirectory.com)
  • Computational Electronic Structure Theory is a field which combines theoretical physics and chemistry with computer science and math. (e-booksdirectory.com)
  • He started doing computational chemistry research while spending two summers working with Michael Hall at Texas A&M University. (wesleyan.edu)
  • He then attended Rice University where he received his PhD degree working under the direction of Gustavo Scuseria on the development of low-computational cost approaches to deal with strongly correlated electron systems. (wesleyan.edu)
  • A research project to develop and characterize "Photofunctional Iron Complexes" involving the Theoretical Chemistry Division at Lund University has been awarded 35,000,000 SEK in funding from the Knut and Alice Wallenberg Foundation for the five-year period 2020 - 2024. (lu.se)
  • http://www.teokem.lu.se/people/seniors/persson/) from the Division of Theoretical Chemistry at Lund University, and will be conducted in collaboration with experimental groups at the Chemistry Department at Lund University including the groups of Prof. Kenneth Wärnmark (coordinating Principal Investigator, CAS), Prof. Arkady Yartsev (Chemical Physics), and Prof. Reine Wallenberg (CAS). (lu.se)
  • The course consists of the following: -the environmental work at Chemistry Center and Lund University -hazards concerning chemicals -protection gear -safety regulations -laws and regulations for environmental safety -hazard evaluations -accidents. (lu.se)
  • begingroup$ It might be worth looking at McQuarrie & Simon, 'Physical Chemistry' where this is discussed in chapter 6. (stackexchange.com)
  • begingroup$ To be blunt: many elementary chemistry texts wish to minimize the use of complex numbers, and they get away by taking real linear combinations. (stackexchange.com)
  • Professor Tisch and Dr Artem Bakulin (Chemistry) have already successfully applied for some funding from the Network to host a half-day meeting on "Ultrafast lasers for material science applications" to be held on 18 June in White City. (imperial.ac.uk)
  • Professor Marangos said: "This is an enormously exciting time for ultrafast science with new attosecond sources of X-rays, femtosecond sources of electrons for UED and a plethora of laser based techniques all now available to us. (imperial.ac.uk)
  • We study matter via its interaction with electromagnetic radiation, with a special emphasis on how light couples to the quantum mechanical states of matter. (lu.se)
  • The key step in the reaction mechanism of multicopper oxidases (MCOs)--the cleavage of the O-O bond in O2--has been investigated using combined quantum mechanical and molecular mechanical (QM/MM) methods. (lu.se)
  • The overarching aim of the course is that the students should obtain a deeper understanding of the quantum mechanical description of matter and the connection to spectroscopic methods. (lu.se)
  • The course provides the students knowledge by means of a unique set of methods that are valuable for an understanding of the quantum mechanical properties of matter. (lu.se)
  • relate the quantum mechanical description of matter to the results of spectroscopic experiments, · evaluate the capabilities and limitations of spectroscopic methods, · interpret and assess information within the subject of the course from sources in addition to the course material, e.g. scientific articles and advanced literature. (lu.se)
  • There has been substantial progress in the development of electron correlation methods with some benefits and drawbacks. (degruyter.com)
  • Thank you for visiting Quantum Diaries, which from 2005 to 2016 hosted blogs by scientists from particle physics institutions around the world. (quantumdiaries.org)
  • How to compute 2-electron integral for Hartree-Fock code? (stackexchange.com)
  • I'm working on writing my own code for $\ce{H2}$ in an STO-3G basis set using Hartree-Fock (HF), and I am currently stuck on how to construct the two-electron integral matrix. (stackexchange.com)
  • The coupled cluster method includes electron correlation through a basis of excitations from the Hartree-Fock determinant wavefunction. (maplesoft.com)
  • The thing is that for any value of the azimuthal quantum number $l$ an orbital with a non-zero value of the magnetic quantum number $m$ is complex thanks to $\mathrm{e}^{imf}$ factor. (stackexchange.com)
  • Why does a neutral atom of beryllium not have any electrons in a p orbital? (stackexchange.com)
  • Does an electron in an orbital have exactly the same energy as the orbital's shell? (stackexchange.com)
  • These methods, which we term 'FCI-FRI,' stochastically impose sparsity during iterations of the power method and can be viewed as a generalization of full configuration interaction quantum Monte Carlo (FCIQMC) without walkers. (arxiv.org)
  • We mainly discuss perturbation theory, coupled electron many electron theory and a few versions of coupled electron pair approximations with comparison configuration interaction and some coupled cluster methods in which coupled cluster method is crucially important for the crystalline solids, the electron gas and the heat of the reaction. (degruyter.com)
  • Professor Jiménez-Hoyos is interested in developing new electronic structure methods for quantum chemical problems. (wesleyan.edu)
  • He is also interested in developing new tools to study catalytic reactions on transition metal surfaces using quantum embedding methods. (wesleyan.edu)
  • In addition, we have searched oxidation markers using analytical chemistry methods. (cea.fr)
  • Fischer-Hjalmars I. ( 1966 ) Zero Differential Overlap in φ{symbol}-Electron Theories Advances in Quantum Chemistry . (academictree.org)
  • One of the most important reactions is the recombination of molecular ions with electrons at low (down to 10 K) temperatures leading to a dissociation of the molecule. (mpg.de)
  • Quantum-state resolving preparation, detection and control of molecular ions are expected to offer new opportunities in quantum information processing (QIP), precision spectroscopy, and fundamental physics. (nist.gov)
  • The tiniest particles, in which electrons are most tightly confined, emit blue light. (kron4.com)
  • Slightly larger particles, in which electrons bounce around a longer wavelength, emit red light. (kron4.com)
  • In this paper, we give a review of electron correlation effects on many body particles system. (degruyter.com)
  • The new JILA work also will aid studies of quantum gases (in which particles behave like waves) and exotic physics spanning the quantum and macroscopic worlds. (nanowerk.com)
  • Polaritonic Unitary Coupled Cluster for Quantum Computations. (cuny.edu)
  • One of the founders of quantum physics, Dirac, expressed the problem in 1929 as follows: "The fundamental laws necessary for the mathematical treatment of large parts of physics and the whole of chemistry are thus fully known, and the difficulty lies only in the fact that application of these laws leads to equations that are too complex to be solved. (nobelprize.org)
  • We are observing a new fundamental aspect of chemistry-it gives us a new 'knob' to understand and control reactions," adds NIST physicist Jun Ye, leader of the second JILA group involved in the research. (nanowerk.com)
  • Chemistry provides a fundamental understanding that is then used by an industrial researcher to create an innovation which makes a real difference in a specific context. (lu.se)
  • 2009, 131 , 19401], as the implementation of the quantum-chemistry ansatz , is overviewed and applied to (He) N -Cl 2 (X) clusters ( N ≤ 4). (rsc.org)
  • I will discuss two such approaches, which we have recently introduced and tested in connection with DMRG, namely the tailored coupled clusters and the adiabatic connection, which might be used also in the context of variational quantum algorithms. (aps.org)
  • Working with various DNA systems in aqueous solution, we have characterized the primary chemical species underlying oxidative damage, the ejected electrons and the resulting base radicals. (cea.fr)
  • The paper provides evidence that retinoic acid and retinol are pivotally important for mitochondrial energy homeostasis by controlling the redox status of cytochrome c in the electron transport chain controlling oxidative phosphorylation and apoptosis. (bvsalud.org)
  • Present and discuss important recent contributions in the field of inorganic chemistry. (epfl.ch)
  • Here, we have developed a novel γ value estimation method based on an ultra accelerated quantum chemical molecular dynamics simulation considering the collision effect of N e+ into a flat MgO(100) surface. (elsevierpure.com)
  • During this time, as far as we can tell, there were quantum fluctuations produced, but they couldn't interact with one another, as the expansion of space was too rapid to permit interactions mediated "only" at the speed-of-light. (bigthink.com)
  • The accurate calculation of the ground state of many-electron systems has been the central goal of quantum chemistry for the last 80 years. (cecam.org)
  • I will present the performance tests with the largest calculation of nitrogenase FeMo cofactor cluster with the active space comprising 113 electrons in 76 orbitals and bond dimension equal to 6000, where we achieved scaling up to approximately 2000 CPU cores. (aps.org)
  • These radical anions are stable towards electron detachment and computed bond dissociation energy values are also significant. (authorea.com)
  • It's perfectly reasonable to expect that when you go to the ultracold regime there would be no chemistry to speak of," says NIST physicist Deborah Jin, leader of one JILA group involved in the experiments. (nanowerk.com)
  • Negative electron affinities can be used in those cases where electron capture requires energy, i.e. when capture can occur only if the impinging electron has a kinetic energy large enough to excite a resonance of the atom-plus-electron system. (wikipedia.org)
  • The authors call the technique TiGGER, for Time Resolved Gadolinium-Gadolinium Electron paramagnetic Resonance. (universityofcalifornia.edu)
  • Absorption of UV radiation directly by DNA may also induce electron ejection provided that its energy is sufficiently high (wavelengths longer than 200 nm). (cea.fr)
  • abstract = "High ion induced secondary electron emission (IISEE) coefficient (γ) MgO protecting layers are required in order to decrease the firing voltage of plasma display panels (PDPs). (elsevierpure.com)
  • phdthesis{c191b556-0c2e-4c78-86ad-62302abf3359, abstract = {{Materials of ionic crystals are ubiquitous in industrial chemistry. (lu.se)
  • 2002). The electron affinities of the radicals OH and SH are the most precisely known of all molecular electron affinities. (wikipedia.org)
  • Consideration is also given to the effects of nuclear and electron spins on the formation of neutral hydrogen molecule. (arxiv.org)
  • They were able to observe how the quantum effects of the molecule as a whole dictate reactivity. (nanowerk.com)
  • Another project is within the field of Supramolecular Chemistry - the chemistry beyond the molecule. (lu.se)
  • One of the biggest challenges in biology in general is to see proteins in action," explained co-lead author Shiny Maity , a chemistry doctoral student. (universityofcalifornia.edu)
  • This Special Issue represents an excellent opportunity for researchers of different areas to share their latest progresses and aims at developing a work in the "frontier of knowledge" with an interdisciplinary approach between chemistry (experimental and theoretical), biology, and medicine. (mdpi.com)
  • What would happen if electrons were spin-1? (stackexchange.com)
  • Every electron, quark and neutrino has a spin of either ±½, while every gluon or photon has a spin of ±1. (bigthink.com)
  • Electron spin transition and spin-spin interaction between electron and nucleus are both considered. (arxiv.org)
  • have shown that electron-ion recombination at cryogenic conditions can proceed at dramatically different rates (also higher) compared to the room-temperature conditions in previous experiments. (mpg.de)
  • In the suitcase, we have packed clues to experiments that talk about how the atom is built, the excitation of the electron and the ideal gas law. (lu.se)
  • Figure 1 Experimental setup for quantum-logic spectroscopy of a single molecular ion. (nist.gov)
  • He then joined the group of Garnet Chan at Princeton University (and later Caltech), where he worked on the development of quantum embedding approaches in chemistry. (wesleyan.edu)
  • Updated values can be found in the NIST chemistry webbook for around three dozen elements and close to 400 compounds. (wikipedia.org)
  • A NIST theorist at the Joint Quantum Institute, a collaborative venture of NIST and the University of Maryland, also contributed to the research. (nanowerk.com)
  • The aim of this study, therefore, was to perform an electrophilic reaction chemistry analysis to explain the differing respiratory sensitizing potentials of 16 chemicals containing both single and multiple functional groups. (cdc.gov)
  • Rigoberto Advincula, a materials chemist at Oak Ridge National Laboratory in Tennessee, said the work helped bridge the fields of physics and chemistry, adding: "This technology is very easy to reproduce - that's why it became so popular and so widespread. (kron4.com)
  • Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. (stackexchange.com)
  • So, we should ask ourselves: How can the division of Physical Chemistry best contribute to innovation and collaboration with the society around us? (lu.se)
  • At Physical Chemistry we have since decades been involved in a large number of fruitful collaborations with industrial companies, big and small, in Sweden and abroad. (lu.se)
  • The here proposed position includes measurements on the electron-ion recombination under astrophysically relevant conditions. (mpg.de)
  • The measurements include a setup for merging an electron beam with a stored molecular ion beam at relative velocities reaching down to ~10 K equivalent. (mpg.de)
  • It may provide practical tools for "designer chemistry" and other applications such as precision measurements and quantum computing. (nanowerk.com)
  • Here we argue that this is not the case for a large class of realistic electronic systems, with up to ~50 electrons. (cecam.org)
  • Cavity Born-Oppenheimer Approximation for Correlated Electron-Nuclear-Photon Systems. (cuny.edu)