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Binary mixtures of hard-spheres with different diameters and square-well attraction between different particles are studied by theory and Monte Carlo simulations. In our mesoscopic theory, local fluctuations of the volume fraction of the…

软凝聚态物质 · 物理学 2021-10-04 O. Patsahan , A. Meyra , A. Ciach

We have investigated the temperature dependence of the linear thermal expansion along the hexagonal c axis ($\Delta L$), in-plane resistivity ($\rho$), and specific heat ($C_p$) of the topological insulator Sb$_2$Te$_3$ single crystal.…

强关联电子 · 物理学 2012-07-03 P. Dutta , D. Bhoi , A. Midya , N. Khan , P. Mandal , S. Shanmukharao Samatham , V. Ganesan

We show that coupled autonomous thermal machines, in the presence of three heat reservoirs and following a global linear-irreversible description, provide a unified framework to accommodate the variety of expressions for the efficiency at…

统计力学 · 物理学 2023-08-15 Ramandeep S. Johal , Renuka Rai

The knowledge of the nuclear symmetry energy of hot neutron-rich matter is important for understanding the dynamical evolution of massive stars and the supernova explosion mechanisms. In particular, the electron capture rate on nuclei…

核理论 · 物理学 2008-11-26 Ch. C. Moustakidis

Situations where a spontaneous process of energy or matter transfer is enhanced by an external device are widespread in nature (human sweating system, enzyme catalysis, facilitated diffusion across bio-membranes, industrial heat…

统计力学 · 物理学 2010-07-21 Karen Hovhannisyan , Armen E. Allahverdyan

Warm dense matter is a highly energetic phase characterized by strong correlations, thermal effects, and quantum effects of electrons. Thermal density functional theory is commonly used in simulations of this challenging phase, driving the…

强关联电子 · 物理学 2025-09-10 Brittany P. Harding , Francisca Sagredo , Vincent Martinetto , Aurora Pribram-Jones

Thermal expansion and magnetic susceptibility measurements as a function of temperature are reported for YbGaGe. Despite the fact that this material has been claimed to show zero thermal expansion over a wide temperature range, we observe…

强关联电子 · 物理学 2009-11-10 Svilen Bobev , Darrick J. Williams , J. D. Thompson , J. L. Sarrao

The properties of statistical ensembles with abelian charges close to the thermodynamic limit are discussed. The finite volume corrections to the probability distributions and particle density moments are calculated. Results are obtained…

高能物理 - 理论 · 物理学 2007-05-23 J. Cleymans , K. Redlich , L. Turko

Heat exchanges are the essence of Thermodynamics. In order to investigate non-equilibrium effects like quantum coherence and correlations in heat flows we introduce the concept of apparent temperature. Its definition is based on the…

量子物理 · 物理学 2020-01-10 Camille L. Latune , Ilya Sinayskiy , Franceso Petruccione

An asymptotic expansion of the trace of the heat kernel on a cone where the heat coefficients have a delta function behavior at the apex is obtained. It is used to derive the renormalized effective action and total energy of a…

高能物理 - 理论 · 物理学 2010-04-06 D. V. Fursaev

We discuss how to use correlations between different physical observables to improve recently obtained thermodynamics bounds, notably the fluctuation-response inequality (FRI) and the thermodynamic uncertainty relation (TUR). We show that…

统计力学 · 物理学 2022-01-10 Andreas Dechant , Shin-ichi Sasa

We calculate current-current correlation functions and find an expression for the zero-frequency noise of multiterminal systems driven by harmonically time-dependent voltages within the Keldysh non-equilibrium Green's functions formalism.…

介观与纳米尺度物理 · 物理学 2012-08-02 Alvaro Caso , Liliana Arrachea , Gustavo S. Lozano

A new method of constructing a weak coupling expansion of two dimensional (2D) models with an unbroken continuous symmetry is developed. The method is based on an analogy with the abelian XY model, respects the Mermin-Wagner (MW) theorem…

高能物理 - 格点 · 物理学 2009-10-31 O. Borisenko , V. Kushnir , A. Velytsky

The capability of density-functional theory to deal with the ground-state of strongly correlated low-dimensional systems, such as semiconductor quantum dots, depends on the accuracy of functionals developed for the exchange and correlation…

强关联电子 · 物理学 2009-02-25 S. Pittalis , E. Rasanen , C. Proetto , E. K. U. Gross

In this paper, we propose a space-dependent eddy thermal diffusivity model for turbulent vertical natural convection in a fluid between two infinite vertical walls at different temperatures. Using this model, we derive analytical results…

流体动力学 · 物理学 2026-04-01 Ho Yin Ng , Emily S. C. Ching

We explore constraints on various forms for the effective potential during inflation based upon a statistical comparison between inflation-generated fluctuations in the cosmic microwave background temperature and the COBE DMR results. Fits…

天体物理学 · 物理学 2009-10-22 Hannu Kurki-Suonio , Grant J. Mathews

We investigate the thermodynamical properties of black holes in (3+1) and (2+1) dimensional Einstein gravity with a negative cosmological constant. In each case, the thermodynamic internal energy is computed for a finite spatial region that…

广义相对论与量子宇宙学 · 物理学 2009-10-22 J. D. Brown , J. Creighton , R. B. Mann

Thermal conductance of a homogeneous 1D nonlinear lattice system with neareast neighbor interactions has recently been computationally studied in detail by Li et al [Eur. Phys. J. B {\bf 88}, 182 (2015)], where its power-law dependence on…

统计力学 · 物理学 2017-06-07 Yunyun Li , Nianbei Li , Ugur Tirnakli , Baowen Li , Constantino Tsallis

One of the key hallmarks of dense active matter in the liquid, supercooled, and solid phases is so-called equal-time velocity correlations. Crucially, these correlations can emerge spontaneously, i.e., they require no explicit alignment…

软凝聚态物质 · 物理学 2023-10-24 Vincent E. Debets , Lila Sarfati , Thomas Voigtmann , Liesbeth M. C. Janssen

The thermodynamics framework of an interacting quantum gas trapped by an arbitrary external potential is reviewed. We show that for each confining potential, in the thermodynamic limit, there emerge "generalized" volume and pressure…

统计力学 · 物理学 2016-08-14 Nadia Sandoval-Figueroa , Víctor Romero-Rochín
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