• Subir Sachdev is Herchel Smith Professor of Physics at Harvard University specializing in condensed matter. (wikipedia.org)
  • Sachdev argued instead that it is better to examine how rapidly the system loses quantum phase coherence, or reaches local thermal equilibrium in response to general external perturbations. (wikipedia.org)
  • Physicist Subir Sachdev seeks to illuminate the boundary between the everyday world we live in and the arcane subatomic world of quantum physics. (harvard.edu)
  • Physicist Subir Sachdev still remembers the excitement that accompanied the discovery of high-temperature superconductors while he was working as a postdoctoral fellow at AT&T Bell Laboratories in 1986. (harvard.edu)
  • Sachdev believes those two worlds come together most apparently during an event called a "quantum phase transition. (harvard.edu)
  • Though "quantum phase transitions" may be an off-putting term, Sachdev uses the familiar event of ice melting to water to explain what is going on. (harvard.edu)
  • Quantum phase transitions are where this happens most directly," Sachdev said. (harvard.edu)
  • In the two-dimensional quantum spin-Hall phase and the three-dimensional strong topological insulator, these states are robust and are insensitive to weak disorder and interactions. (typeset.io)
  • 45. Tunable topological semi-metallic phases in Kondo lattice systems, Yen-Wen Lu , Po-Hao Chou , Chung-Hou Chung , Chung-Yu Mou *, Phys. (nycu.edu.tw)
  • He is particularly involved in studying microscopic models that display interesting quantum behavior in the bulk, such as superconducting, spin liquid, topological, superfluid or supersolid phases. (uwaterloo.ca)
  • Probing Chern number by opacity and topological phase transition by a nonlocal Chern marker by Paolo Molignini, Bastien Lapierre, Ramasubramanian Chitra, Wei Chen, SciPost Phys. (scipost.org)
  • The Kibble-Zurek mechanism (KZM) predicts that the average number of topological defects generated upon crossing a continuous or quantum phase transition obeys a universal scaling law with the quench time. (journaltocs.ac.uk)
  • Fermionic atoms confined in a potential created by standing wave light can undergo a phase transition to a superfluid state at a dramatically increased transition temperature. (harvard.edu)
  • The model rose to prominence in the 1980s after it was found to capture the essence of the superfluid-insulator transition in a way that was much more mathematically tractable than fermionic metal-insulator models. (encyclopedia.pub)
  • In a superfluid phase, this symmetry is spontaneously broken. (encyclopedia.pub)
  • This is the case in the superfluid-Mott insulator transition in the Bose-Hubbard model, for example, which is due to interactions. (stackexchange.com)
  • Following the phase-out of single-use plastics in all our hotels in 2019, we have placed circular economy at the heart of our strategy and created our own 2023 Agenda, which includes major goals for the decade. (bbvacib.com)
  • Many of these contributions have been linked to experiments, especially to the rich phase diagrams of the high temperature superconductors. (wikipedia.org)
  • Quantum phase transitions (QPTs) involve transformations between different states of matter that are driven by quantum fluctuations. (harvard.edu)
  • Classical phase transitions are driven by thermal fluctuations which die out at $T = 0$ , hence classical phase transitions don't happen at zero temperature. (stackexchange.com)
  • Quantum phase transitions are driven by quantum fluctuations which prevail at $T = 0$ and thus can lead to macroscopic change in the system (quantum phase transition). (stackexchange.com)
  • In a quantum phase transition, the role of heat is played by the fluctuations demanded by Heisenberg's uncertainty principle. (harvard.edu)
  • Topics include classical interatomic potentials and machine learning methods, quantum first-principles electronic structure models based on wave functions and density functional theory, Monte Carlo sampling and molecular dynamics simulations of phase transitions and free energies, fluctuations and transport properties. (harvard.edu)
  • Similarly, with quantum phase transitions, adding some external perturbation to a superconductor - such as applying pressure or putting it in a magnetic field - can cause its properties to change, sometimes dramatically. (harvard.edu)
  • Pressure-induced transitions in FePS$_3$: Structural, magnetic and electronic properties by Shiyu Deng, Siyu Chen, Bartomeu Monserrat, Emilio Artacho, Siddharth S. Saxena, SciPost Phys. (scipost.org)
  • Dr. Melko's research interests involve strongly-correlated many-body systems, with a focus on emergent phenomena, ground state phases, phase transitions, quantum criticality, and entanglement. (uwaterloo.ca)
  • A quantum phase transition is a phase transition that takes place in a system that lives in $d$ -dimensional space, but whose universal properties are described by a $(d+1)$ -dimensional field theory. (stackexchange.com)
  • Away from the transition, the quantum effects are certainly important even at finite temperature, as the corresponding classical system is described by a completely different $d$ -dimensional field theory with no imaginary time direction. (stackexchange.com)
  • So ( only when you are extremely close to the transition), the imaginary time dimension becomes unimportant and the quantum statistical properties become identical to that of the corresponding classical critical system. (stackexchange.com)
  • The kinetics of phase separation or domain growth, subsequent to temperature quenches of binary mixtures from the one-phase region into the miscibility gap, still remains a challenging problem of nonequilibrium statistical mechanics. (dlr.de)
  • However, very close the transition, the correlation length $\xi$ diverges. (stackexchange.com)
  • I will discuss the evolution of angle-resolved transport nonreciprocity in the phase space of multi-layer graphene samples, where the flat energy band enhances Coulomb correlation and stabilizes a host of exotic quantum phases. (uky.edu)
  • 49. Quantum phase transition in a two-dimensional Kondo-Heisenberg model: a Schwinger-boson large-N approach, Jiangfan Wang, Yung-Yeh Chang, Chung-Yu Mou, Stefan Kirchner, and Chung-Hou Chung, Phys. (nycu.edu.tw)
  • Kinetics of the growth of high T c phase is discussed in the light of our results. (ias.ac.in)
  • Phase transitions are fascinating because they give us a window into "universal" phenomena - quantitative connections that occur between very disparate natural systems, in condensed matter and beyond. (uwaterloo.ca)
  • Through his keen understanding of human psychology and a deep sense of Indian ethos, R.K. Narayan straddled two worlds in his works- the colonial past and the post-colonial present, capturing the essence of a nation in transition. (creativeflight.in)
  • Coordinadora del grup d'investigació "Biomimetic Supramolecular Chemistry and Materials", desenvolupa la seua activitat investigadora en el àmbit dels materials orgànics supramoleculars amb especial interés en els materials biomimetics i en la seua aplicació en biomedicina i en catàlisi. (uji.es)
  • Beginning next year, Shetty will take over as Managing Director and CEO from Subir Kumar Chowdhury, 61, who has announced his retirement after having been with JCB India for close to 15 years. (constructionworld.in)
  • Prior to this, he was the Managing Director of JCB's Global Excavator business in the UK for four years.Beginning next year, Shetty will take over as Managing Director and CEO from Subir Kumar Chowdhury, 61, who has announced his retirement after having been with JCB India for close to 15 years. (constructionworld.in)
  • The conference associated with the Quantum Phase Transition program at the KITP-Santa Barbara, will be held January 18-21, 2005. (ucsb.edu)
  • Post-transition state dynamics of ring-opening and N-inversion ( Chem. (iacs.res.in)
  • Many of these contributions have been linked to experiments, especially to the rich phase diagrams of the high temperature superconductors. (wikipedia.org)
  • Two weeks of easy activity is not, according to the book, anywhere near enough time to transition into more intense activity. (grajales.net)
  • In this article, the term youth supposes a period of transition from the dependence of childhood to the independence of adulthood, and the awareness of interdependence as members of a community. (yetrecords.com)
  • To them there are four phases to a training plan, what they call periodization, that must be adhered to for the athlete to get the most out of their effort: a recovery period, a transition period, a base period and a specific training period. (grajales.net)
  • For me it was the transition period I realized I was most consistently ignoring. (grajales.net)
  • Le test PSA représente la norme de soins actuelle pour déterminer si un patient devrait être sélectionné pour subir une biopsie de la prostate. (mdxhealth.com)
  • Cependant, vu que le test démontre une très faible spécificité en cas de cancer de la prostate, il peut conduire à un nombre considérable de procédures inutiles et invasives, dont certaines révèlent des tumeurs cliniquement insignifiantes. (mdxhealth.com)
  • Des chercheurs provenant d'importantes universités en Belgique et aux Pays-Bas ont utilisé un arbre de décision et un modèle mathématique pour évaluer les stratégies de diagnostic qui ont utilisé le test SelectMDx versus le seul test PSA, pour identifier les patients devant subir une biopsie transrectale échoguidée (TRUSGB) 1 . (mdxhealth.com)
  • Les résultats ont indiqué qu'une stratégie de diagnostic qui a utilisé SelectMDx avec une sensibilité de 95,7 % en cas de cancer de la prostate de haut-grade, a entraîné une économie de 128 € et un gain de 0,025 année de vie (QALY)* par patient, par rapport à la seule utilisation du test PSA 1 . (mdxhealth.com)
  • Les patients sélectionnés pour une biopsie transrectale échoguidée, et qui avaient été testés uniquement au moyen du test PSA, avaient une probabilité de 77 % de subir une procédure inutile contre 36 % lors de l'utilisation de SelectMDx. (mdxhealth.com)
  • Le test, qui fournit une valeur prédictive négative (VPN) de 98 % en cas de maladie significative, aide à réduire d'environ 50 % les procédures d'IRM et les biopsies de la prostate invasives, réduisant par la même occasion les coûts des soins de santé. (mdxhealth.com)
  • It also defines the way how ICANN must proceed: It will need to convene global stakeholders to develop a plan for the smooth transition. (telefonica.com)
  • At the same time, the NTIA announcement contains clear indications on some key aspects of the transition which will need to be maintained. (telefonica.com)
  • https://20thrpmbt.sciencesconf.org/resource/page?forward-action=page&forward-controller=resource&id=2&lang=en The 20th International Conference on Recent Progress in Many-Body-Theories (RPMBT-20)] took place during 9-13 September, 2019 in Toulouse, France. (indiana.edu)
  • The retailer said it would provide "support and transition assistance" to workers, and it is due to begin a consultation with its workforce shortly. (retail-systems.com)
  • They added: "We are thoughtfully moving through the consultation process with our European team, and we will provide support and transition assistance for our colleagues as we look to wind down stores. (retail-systems.com)
  • We found that mineral dust or meteoric ablation material can efficiently catalyse the formation of a specific phase of nitric acid dihydrate crystals. (copernicus.org)
  • Telefónica welcomes this NTIA announcement and will participate in the discussion process to develop a transition proposal. (telefonica.com)
  • Recent interest have been to study solvent phase exfoliation of two-dimensional materials from their bulk van der Waals state of aggregation. (iacs.res.in)
  • Coordinadora del grup d'investigació "Biomimetic Supramolecular Chemistry and Materials", desenvolupa la seua activitat investigadora en el àmbit dels materials orgànics supramoleculars amb especial interés en els materials biomimetics i en la seua aplicació en biomedicina i en catàlisi. (uji.es)