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Ethanol is a molecule of fundamental interest in combustion, astrochemistry, and condensed phase as a solvent. It is characterized by two methyl rotors and $trans$ ($anti$) and $gauche$ conformers, which are known to be very close in…

化学物理 · 物理学 2022-08-23 Apurba Nandi , Riccardo Conte , Chen Qu , Paul L. Houston , Qi Yu , Joel M. Bowman

Ozawa et. al [1] presented numerical results for the configurational entropy density, $s_c$, of a model glass-forming liquid in the presence of random pinning. The location of a "phase boundary" in the pin density ($c$) - temperature ($T$)…

统计力学 · 物理学 2016-02-17 Saurish Chakrabarty , Smarajit Karmakar , Chandan Dasgupta

We study energy landscape and dynamics of the three-dimensional Heisenberg Spin Glass model in the paramagnetic phase, i.e. for temperature $T$ larger than the critical temperature $T_\mathrm{c}$. The landscape is non-trivially related to…

无序系统与神经网络 · 物理学 2019-09-24 Marco Baity-Jesi , Victor Martin-Mayor

We perform equilibrium parallel-tempering simulations of the 3D Ising Edwards-Anderson spin glass in a field. A traditional analysis shows no signs of a phase transition. Yet, we encounter dramatic fluctuations in the behaviour of the…

Using large-scale numerical simulations we studied the kinetics of the 2d q-Potts model for q > 4 after a shallow subcritical quench from a high-temperature homogeneous configuration. This protocol drives the system across a first-order…

统计力学 · 物理学 2019-06-25 Federico Corberi , Leticia F Cugliandolo , Marco Esposito , Marco Picco

In this work, we establish a general theory of phase transitions and quantum entanglement in the equilibrium state at arbitrary temperatures. First, we derived a set of universal functional relations between the matrix elements of two-body…

量子物理 · 物理学 2018-05-07 Bo-Bo Wei

We considered a generic case of pre-transitional materials with static stress-generating defects, dislocations and coherent nano-precipitates, at temperatures close but above the starting temperature of martensitic transformation, Ms. Using…

材料科学 · 物理学 2017-05-15 Wei-Feng Rao , Ye-Chuan Xu , John W. Morris , Armen G. Khachaturyan

We investigate the quench of Ising and Potts models via Monte Carlo dynamics, and find that the distribution of the site-site interaction energy has the same form as in the equilibrium case. This form directly derives from the Boltzmann…

统计力学 · 物理学 2013-01-30 Mario J. de Oliveira , Alberto Petri

A typical strategy of realizing an adiabatic change of a many-particle system is to vary parameters very slowly on a time scale $t_\text{r}$ much larger than intrinsic equilibration time scales. In the ideal case of adiabatic state…

统计力学 · 物理学 2021-03-24 Philipp S. Weiß , Dennis Hardt , Achim Rosch

We develop Entanglement Perturbation Theory (EPT) for infinite Quasi-1D quantum systems. The spin 1/2 Heisenberg chain with ferromagnetic nearest neighbor (NN) and antiferromagnetic next nearest neighbor (NNN) interactions with an…

强关联电子 · 物理学 2019-05-01 Lihua Wang , Sung Gong Chung

Understanding and designing inertial confinement fusion (ICF) implosions through radiation-hydrodynamics simulations rely on the accurate knowledge of the equation of state (EOS) of the deuterium and tritium fuels. To minimize the drive…

材料科学 · 物理学 2015-05-30 S. X. Hu , B. Militzer , V. N. Goncharov , S. Skupsky

This is the second of a series of three papers examining how viable it is for entanglement to be sustained at high temperatures for quantum systems in thermal equilibrium (Case A), in nonequilibrium (Case B) and in nonequilibrium steady…

量子物理 · 物理学 2016-01-08 Jen-Tsung Hsiang , B. L. Hu

The critical properties of the mixed ferro/antiferromagnetic q-state Potts model on the square lattice are investigated using the numerical transfer matrix technique. The transition temperature is found to be substantially lower than…

统计力学 · 物理学 2007-05-23 D P Foster , C Gerard

It is shown that the von Neumann entropy, a measure of quantum entanglement, does have its classical counterpart in thermodynamic systems, which we call partial entropy. Close to the critical temperature the partial entropy shows perfect…

强关联电子 · 物理学 2009-11-11 Junpeng Cao , Xiaoling Cui , Zhang Qi , Wengang Lu , Qian Niu , Yupeng Wang

We study first-order phase transitions in a two-temperature system, where due to the time-scale separation all the basic thermodynamical quantities (free energy, entropy, etc) are well-defined. The sign of the latent heat is found to be…

统计力学 · 物理学 2009-11-11 A. E. Allahverdyan , K. G. Petrosyan

We consider a quantum quench in a finite system of length $L$ described by a 1+1-dimensional CFT, of central charge $c$, from a state with finite energy density corresponding to an inverse temperature $\beta\ll L$. For times $t$ such that…

统计力学 · 物理学 2014-06-11 John Cardy

Many frustrated spin models on three-dimensional (3D) lattices are currently being investigated, both experimentally and theoretically, and develop new types of long-range orders in their respective phase diagrams. They present…

强关联电子 · 物理学 2023-07-06 M. G. Gonzalez , B. Bernu , L. Pierre , L. Messio

Using a modified Lennard-Jones model for elliptic particles and spherical impurities, we present results of molecular dynamics simulation in two dimensions. In one-component systems of elliptic particles, we find an orientation phase…

软凝聚态物质 · 物理学 2012-03-13 Kyohei Takae , Akira Onuki

We investigate the interplay between the non-Hermiticity and finite temperature in the context of mixed state dynamical quantum phase transition (MSDQPT). We consider a $p$-wave superconductor model, encompassing complex hopping and…

统计力学 · 物理学 2023-05-26 Debashish Mondal , Tanay Nag

We study the superconducting transition temperature and the electronic properties of the metallic phase of $\kappa$-type (BEDT-TTF)$_2$X which shows unconventional properties in experiments, on the basis of the third order perturbation…

超导电性 · 物理学 2009-10-31 T. Jujo , S. Koikegami , K. Yamada