TemperatureDynamicalTopologicalAtomsFerroelectricUndergo a phase transitionStructuralSuperconductivityGaseousDissipativeOccurPhenomenaDielectricInteractionsSequentialThermodynamicUndergoesEquilibriumAcuteDiagramSynthesisBehaviorKineticsElectronsViralPressure inducedDynamicsGrapheneDeterminationQuantum critiExistenceTemperaturesStronglyReview LettersJournalRegimesSystemsLiquidMethodsTrivialCrystallineTheoriesMagnetic fieldExperimentallyStudyEmergeProperties
Temperature22
- Further analysis indicates that such nontrivial entropy curves can be attributable to the adsorption-induced solid-to-liquid phase transitions of the charged clusters under finite temperature conditions. (acs.org)
- In this paper, we further elucidate the nature of the magnetic anisotropy across this low temperature phase transition in this material by means of transverse susceptibility (TS) measurements performed using a self-resonant tunnel diode oscillator. (nist.gov)
- We study the sensitivity of the fits to the phase transition temperature, the pairing gap of blue quarks and the timescale characterizing the phase transition (the latter modelled in terms of a width parameter). (epj.org)
- Despite the similarity, we find that the details of the transitions, for example, the temperature difference between the structural and antiferromagnetic transition temperatures and the incommensurability of the antiferromangetic peaks, are different between Ba(Fe 1-x-y Co x Rh y ) 2 As 2 and Ba(Fe 1-x Co x ) 2 As 2 compounds. (osti.gov)
- Since 2014 the layered semiconductor SnSe in the high-temperature Cmcm phase is known to be the most efficient intrinsic thermoelectric material. (caltech.edu)
- We show that the transition from the Cmcm phase to the low-symmetry Pnma is a second-order phase transition driven by the collapse of a zone border phonon, whose frequency vanishes at the transition temperature. (caltech.edu)
- The compound with Y atoms at the cluster center has a slightly higher transition temperature with a sharper step in the specific heat than the compound with tetrahedral units. (su.se)
- Rev. B 90, 184422 (2014)] for the magnetic Mott insulator Ba2NaOsO6 have proposed a low-temperature order parameter that breaks lattice rotational symmetry without breaking time reversal symmetry, leading to a nematic phase just above the magnetic ordering temperature. (su.se)
- We present high-resolution calorimetric and magnetization data of the same Ba2NaOsO6 single crystal and show evidence for a weakly field-dependent phase transition occurring at a temperature of T-s approximate to 9.5 K, above the magnetic ordering temperature of T-c approximate to 7.5 K. This transition appears as a broadened step in the low-field temperature dependence of the specific heat. (su.se)
- A phase transition is a natural phenomenon in which a small change in a parameter, such as temperature, leads to drastic change in the properties of a substance, for instance water turning into ice. (phys.org)
- The physical form of a substance changes on changing its temperature. (jove.com)
- The common phase transitions are those that occur as a function of temperature variation. (eurekalert.org)
- However, there are also phase transitions that do not depend on temperature. (eurekalert.org)
- Low temperature matter exhibits a spectacular variety of highly ordered states that occur through phase transitions. (europa.eu)
- CRITISUP2 aims at exploring criticality in superfluid spin ½ Fermi gases where the interplay between temperature spin polarization and interactions is at the origin of a rich phase diagram and a variety of phase transitions. (europa.eu)
- The temperature and frequency dependence of the complex dielectric susceptibility of a ferroelectric liquid crystal (FLC) near the smectic-C*-smectic-A phase transition has been calculated using the generalized Landau model. (tcd.ie)
- The atoms can be induced to change their physical state from solid to liquid and back via two means: Adjusting the temperature and applying brief jolts of electricity. (newstarget.com)
- By changing the temperature, all of the holes in the network would simultaneously undergo phase changes. (newstarget.com)
- The stability of the clusters of xenon atoms determined the temperature at which they would transition between phases. (newstarget.com)
- Over a wide temperature range, graphene's electrons should become a strongly interacting swirling soup, scientists report online July 6 in Physical Review Letters . (sciencenews.org)
- While a block of ice melts into water only within a narrow temperature range, the transition to a perfect liquid is believed to happen at a wide range of temperatures above this quantum critical point. (sciencenews.org)
- Villanueva Valencia J. R., Tsimtsirakis E., Krueger S., Evilevitch A., "Temperature-induced DNA density transition in phage λ capsid revealed with contrast-matching SANS. (lu.se)
Dynamical8
- Researchers from Aalto University and Tampere University have developed a new theoretical method to study dynamical phase transitions in strongly correlated quantum systems. (phys.org)
- The new method to predict dynamical quantum phase transitions could be employed this way to study the performance of quantum computers," says Teemu Ojanen, Professor of computational physics at Tampere University. (phys.org)
- The original research article, published in Physical Review X , is titled "Determination of Dynamical Quantum Phase Transitions In Strongly Correlated Many-Body Systems Using Loschmidt Cumulants. (phys.org)
- Sebastiano Peotta et al, Determination of Dynamical Quantum Phase Transitions in Strongly Correlated Many-Body Systems Using Loschmidt Cumulants, Physical Review X (2021). (phys.org)
- Floquet dynamical quantum phase transitions under synchronized periodic driving. (mpg.de)
- Dissipative Floquet dynamical quantum phase transition. (mpg.de)
- Floquet dynamical phase transition and entanglement spectrum. (mpg.de)
- Disordered Kitaev chain with long-range pairing: Loschmidt echo revivals and dynamical phase transitions. (mpg.de)
Topological2
- This is strong evidence for a pressure induced quantum phase transition (QPT) between topological to a trivial electronic state. (uzh.ch)
- Our systematic characterizations of the structure and SC properties associated with the topological QPT provide deep insight into the pressure induced phase diagram in this topological quantum material. (uzh.ch)
Atoms9
- In quantum optics, a superradiant phase transition is a phase transition that occurs in a collection of fluorescent emitters (such as atoms), between a state containing few electromagnetic excitations (as in the electromagnetic vacuum) and a superradiant state with many electromagnetic excitations trapped inside the emitters. (wikipedia.org)
- The superradiant phase transition was originally predicted by the Dicke model of superradiance, which assumes that atoms have only two energetic levels and that these interact with only one mode of the electromagnetic field. (wikipedia.org)
- The phase transition occurs when the strength of the interaction between the atoms and the field is greater than the energy of the non-interacting part of the system. (wikipedia.org)
- However, both the original derivation and the later corrections leading to nonexistence of the transition - due to Thomas-Reiche-Kuhn sum rule canceling for the harmonic oscillator the needed inequality to impossible negativity of the interaction - were based on the assumption that the quantum field operators are commuting numbers, and the atoms do not interact with the static Coulomb forces. (wikipedia.org)
- The morphology and composition of four types of two-phase alkali borosilicate glasses with magnetic atoms prepared by inductive melting have been studied. (hindawi.com)
- The researchers found a way to get individual molecules and atoms to change their phase. (newstarget.com)
- The M stands for an early transition metal, the X is carbon or nitrogen, and the T is the surface termination, the kind of atoms sitting as the outermost layer of the sheet. (lu.se)
- Research at Mathematical Physics in this area concerns novel types of few- and many-body quantum systems with cold atoms at the crossover between microscopic and "thermodynamic" behavior, studying precursors of phase transitions and hitherto unknown states of quantum matter in finite quantum systems. (lu.se)
- When brought to sufficiently low temperatures, a dilute gas of bosonic atoms may undergo a phase transition to a Bose-Einstein condensate (BEC), bringing microscopic quantum effects onto a macroscopic scale. (lu.se)
Ferroelectric4
- If the interaction with the field is so strong that the system collapses in the harmonic approximation and complex polariton frequencies (soft modes) appear, then the physical system with nonlinear terms of the higher order becomes the system with the Mexican hat-like potential, and will undergo ferroelectric-like phase transition. (wikipedia.org)
- Dielectric and Raman spectroscopic measurements have been performed to investigate the ferroelectric phase transition in K 2 ZnI 4 . (epj.org)
- The first results for nanocomposite materials on the basis of magnetic glasses containing the embedded ferroelectrics KH 2 PO 4 demonstrate the effect of applied magnetic field on the ferroelectric phase transition. (hindawi.com)
- iv) Is it possible to govern by ferroelectric phase transition in nanocomposites on the basis of these glasses using external magnetic field? (hindawi.com)
Undergo a phase transition1
- But also time and space can undergo a phase transition, as the physicists Steven Hawking and Don Page pointed out in 1983. (sciencedaily.com)
Structural6
- They show some changes, which allowed us to first track and describe the structural changes (in both directions under the effect of heat treatment) accompanying the phase transition between 358 and 383K observed by DSC, Rx. (academicjournals.org)
- Recently, an explanation was put forth that a magnetocrystalline anisotropy transition driven by a structural transition at 120K is the cause of this behavior. (nist.gov)
- The phase transition mechanism in K 2 ZnI 4 can be classified as partially order-disorder and partially displacive, confirming former structural results. (epj.org)
- We report the structural and physical properties of two Y-Au-Si (YAS) compounds, Y(14.1)AU(69.2)Si(16.7) and Y15.4Au68.6Si16.1, which are 1/1 approximant crystals of a Tsai-type quasicrystal without intrinsic magnetic moments. (su.se)
- We discuss the occurrence of this superconducting state in the light of the specific structural and physical properties of these quasicrystal approximants. (su.se)
- Polymorphic phase transition is an essential phenomenon in condensed matter that the physical properties of materials may undergo significant changes due to the structural transformation. (bvsalud.org)
Superconductivity2
- Particular focus is on superconductivity, magnetism, and other systems with electronic phase transitions, where the effects of a magnetic field and field direction are central. (su.se)
- Concomitant with the first phase transition, violet phosphorus exhibits emergent insulator-metal transition, superconductivity, and dramatic switching from positive to negative photoconductivity. (bvsalud.org)
Gaseous2
- Everybody knows of the transitions between liquid, solid and gaseous phases. (sciencedaily.com)
- Some solids can transition directly into the gaseous state, bypassing the liquid state, via a process known as sublimation. (jove.com)
Dissipative1
- We investigate dissipative phase transitions in an open central spin system. (harvard.edu)
Occur3
- and if it can occur for the real physical parameters of physical systems (a no-go theorem). (wikipedia.org)
- Phase transitions occur at a general level in systems composed by a large number of elementary constituents, for instance the molecules in a substance. (phys.org)
- Phase transitions occur only in the limit of an infinite number of constituents, in which the system properties change in a truly discontinuous way. (phys.org)
Phenomena3
- Phase transitions is the basic phenomena of equilibrium statistical physics. (phys.org)
- In quantum systems, phase transitions and associated critical phenomena constitute a central issue of modern physics. (europa.eu)
- The high degree of control offered by ultracold atom experiments sets them as an ideal platform for the investigation of phase transitions and critical phenomena. (europa.eu)
Dielectric2
- 77.80.Bh - Phase transitions and Curie point / 77.22.Gm - Dielectric loss and relaxation / 78.30. (epj.org)
- It is shown that, although the dielectric response of the Sm-C* phase consists generally of four modes (soft, Goldstone, and two high-frequency polarization modes), only three bands appear in the dielectric-loss spectrum of FLC's at the Sm-A-Sm-C* phase transition. (tcd.ie)
Interactions3
- Responsive Hydrogel Colloids: Structure, Interactions, Phase Behaviour and Equilibrium and Non-equilibrium Transitions of Microgel Dispersions. (lu.se)
- Adopting the hypothesis about the exact cancellation of vacuum condensates contributions to the ground state energy in particle physics to the leading order in graviton-mediated interactions, we argue that the observable cosmological constant can be dynamically induced by an uncompen- sated quantum gravity correction to them after the QCD phase transition epoch. (lu.se)
- Often this is vital information in itself, but with careful measurements a variety of other insights can be gained, including the nature of phase or structure transitions, many-body interactions, or modifications by dopants or interstitial sites. (lu.se)
Sequential1
- Under compression, violet phosphorus undergoes sequential polymorphic phase transitions. (bvsalud.org)
Thermodynamic2
- This limit is called the thermodynamic limit, an essential concept to understand phase transitions. (phys.org)
- With the limited amount of funding at their disposal, scientists, and in particular physicists, do not have the luxury to study phase transitions directly in the thermodynamic limit. (phys.org)
Undergoes1
- Upon varying the ratio of mass to time-reversal breaking parameter the model undergoes a quantum phase transition from a topologically nontrivial semimetal to a trivial one. (harvard.edu)
Equilibrium2
- The non-equilibrium phase transitions of the fully frustrated (f = 1/2) square lattice Coulomb gas (CG) model driven by external electrical fields are studied in the framework of the short-time dynamic scaling approach. (epj.org)
- These diverse materials may exhibit time-dependent structures under transient or out-of-equilibrium conditions resulting from for example self-assembly processes, phase transitions or in response to external fields, such as flow. (lu.se)
Acute2
- To support the ongoing management of viral respiratory diseases while transitioning out of the acute phase of the COVID-19 pandemic, many countries are moving toward an integrated model of surveillance for SARS-CoV-2, influenza virus, and other respiratory pathogens. (cdc.gov)
- Health and physical concerns transition from acute toxicity and immediate hazards to both immediate and latent health effects. (cdc.gov)
Diagram1
- We will also study the phase diagram and critical counterflow of dual Bose-Fermi superfluids which have emerged as a new paradigm of quantum matter. (europa.eu)
Synthesis2
- The cobalt incorporated iron oxide nanoparticles could be used for drug delivery application and this simple preparation method could be adopted for the synthesis of other transition metal oxides. (scirp.org)
- The authors explore the synthesis and phase transitions in hexaferrites of Y-type, and emphasis is placed on the magnetic phase transition leading to the observation of magneto-electric effects. (novapublishers.com)
Behavior1
- A superradiant phase transition is formally predicted by the critical behavior of the resonant Jaynes-Cummings model, describing the interaction of only one atom with one mode of the electromagnetic field. (wikipedia.org)
Kinetics1
- The kinetics of possible isothermal regimes of phase transition leading to change in the time-pressure distribution in the plastic layer is investigated. (epjap.org)
Electrons2
- We find that the overall behaviors of Ba(Fe 1-x-y Co x Rh y ) 2 As 2 and Ba(Fe 1-x Co x ) 2 As 2 compounds are very similar when the total number of extra electrons per Fe/TM (TM=transition metal) site is considered, which is consistent with the rigid band model. (osti.gov)
- The starting point for these transitions is the strong correlations between electrons and certain materials, which enable us to understand this type of state change," Larrea said. (eurekalert.org)
Viral1
- As countries transition out of the pandemic, many have discontinued or scaled back COVID-19 surveillance activities and are moving toward integrated surveillance for COVID-19, influenza, and other viral respiratory illnesses of epidemic or pandemic potential ( 16 ). (cdc.gov)
Pressure induced1
- Herein, this study demonstrates the pressure-induced multi-transition of both structure and physical properties in violet phosphorus, a novel phosphorus allotrope. (bvsalud.org)
Dynamics1
- Noise-driven dynamics and phase transitions in fermionic systems. (mpg.de)
Graphene1
- Such properties emerge as graphene approaches the "quantum critical point," a phase transition that breaks the rules of ordinary physics. (sciencenews.org)
Determination1
- Phase-sensitive determination of nodal d-wave order parameter in single-band and multiband superconductors. (mpg.de)
Quantum criti1
- A study involving experiments under extreme conditions, especially ultralow temperatures and intense magnetic fields, and accompanied by theoretical interpretation of the experimental results explored this type of situation and investigated the quantum critical point manifested in a highly unusual transition. (eurekalert.org)
Existence3
- Furthermore, the magnetic field dependence of the specific heat provides clear indications for magnetic correlations persisting at temperatures between T-c and T-s where long-range magnetic order is absent, giving support for the existence of the proposed nematic phase. (su.se)
- To overcome this limitation, they have devised various methods to infer the existence of a phase transition from the analysis of systems of small size. (phys.org)
- Our measurements confirmed magnetic properties of these two-phase (nonporous) glasses [ 29 ], but an existence of dendrite structure formed by chemically unstable phase was under question. (hindawi.com)
Temperatures1
- Ice changes phase to become liquid water at 0 °C. Liquid water changes phase to become water vapor at 100 °C. Similarly, magnetic materials become nonmagnetic at critical temperatures. (eurekalert.org)
Strongly1
- The MSSM with a light right-handed stop and supersymmetric models with a singlet whose vev is comparable to that of the SU (2) W Higgs allow for a strongly first-order electroweak phase transition even for a mass of the lightest Higgs around 100 GeV. (epj.org)
Review Letters1
- Physical Review Letters, 122(7), Art. (caltech.edu)
Journal1
- Journal of the Physical Society of Japan, 89(9):094707. (uzh.ch)
Regimes1
- iii) What is the kind of melting process parameters and heat treatment regimes that we have to use for production of the two-phase glasses with optimal combination of magnetic properties and dendrite structure? (hindawi.com)
Systems3
- Wilson's theory of renormalization showed that very different physical systems could be unified under the same universality class characterized by critical exponents. (europa.eu)
- Currently, due to COVID-19 the whole world is undergoing a challenging time that tests not only the national health systems` capacities, but also society`s physical and mental health. (who.int)
- The interest is spurred by the possibility to experimentally create quantum systems with very unusual physical properties, allowing new insight into fundamental theoretical questions. (lu.se)
Liquid2
- Simply put, it melted into a liquid phase before cooling down, which returned it to its solid phase. (newstarget.com)
- XAS has proven to be a valuable spectroscopic tool to study the changes in local structure because it does not require long-range ordering and is applicable to almost all types of samples regardless of their actual physical state (solid, liquid, gas). (lu.se)
Methods1
- It should be noted that modern methods of etching of chemically unstable phase permit producing the porous glasses with developed interconnected dendrite pore net and controllable average pore diameters. (hindawi.com)
Trivial2
- The results can be interpreted in terms of the holographic renormalization group (RG) flow leading to restoration of time reversal at the end point of the RG flow in the trivial phase. (harvard.edu)
- We characterize the parameter regime where there is a non-trivial percolation phase transition and show that it depends not only on the power-law exponent of the degree distribution but also on a geometric model parameter. (whiterose.ac.uk)
Crystalline1
- Specifically, the fast cooling is attributed to an enhancement in the neutrino emission triggered by a transition from a fully gapped, two-flavor, red-green color-superconducting quark condensate to a superconducting crystalline or an alternative gapless, color-superconducting phase. (epj.org)
Theories2
- phase transitions in quantum field theories are well known. (sciencedaily.com)
- But for symmetry reasons this would mean that gravitational theories should exhibit phase transitions too. (sciencedaily.com)
Magnetic field1
- The evolution of the phase boundary with applied magnetic field suggests that this phase coincides with the phase of broken local point symmetry seen in NMR experiments at high fields [L. Lu et al. (su.se)
Experimentally1
- What we observed experimentally is that physical properties such as electrical resistance behave quite differently from classical electron transport in metals. (eurekalert.org)
Study3
- The study of phase transitions in various forms has kept scientists busy since the very beginnings of the scientific endeavor. (phys.org)
- This manuscript details a framework for identifying the effective use of information resources at each phase and provides case study examples from chemical hazard emergencies. (cdc.gov)
- Data from 1,160 breast, colorectal, and prostate cancer survivors participating in the American Cancer Society's National Cancer Survivor Transition Study were examined. (cdc.gov)
Emerge1
- It is found that in the pressure distribution near the phase boundaries anomalies emerge in the form of a "step" or a local maximum caused by volume jumps at phase transition. (epjap.org)
Properties2
- Tunability of the electronic properties of two-dimensional bilayer hetero structures of transition-metal dichalcogenides (i.e. (osti.gov)
- Phase transition has thus become an important means and dimension for regulating material properties. (bvsalud.org)