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We investigate the entanglement temperature of a small scale subsystem in low excited states by using holographic method. Especially, we study the entanglement entropy and entanglement temperature in higher derivative gravities which are…

High Energy Physics - Theory · Physics 2015-06-15 Wu-zhong Guo , Song He , Jun Tao

We present a study of electrical and thermal transport in Weyl semimetal WTe$_2$ down to 0.3 K. The Wiedemann-Franz law holds below 2 K and a downward deviation starts above. The deviation is more pronounced in cleaner samples, as expected…

Mesoscale and Nanoscale Physics · Physics 2024-08-26 Wei Xie , Feng Yang , Liangcai Xu , Xiaokang Li , Zengwei Zhu , Kamran Behnia

Studies of the thermodynamics of complex coacervation of pairs of symmetric, strongly ionizable, oppositely charged polyelectrolyte chains are abundant. To generalize such understanding to asymmetric chain lengths and variable ionizability…

Soft Condensed Matter · Physics 2023-06-07 Souradeep Ghosh , Soumik Mitra , Arindam Kundagrami

Layered systems shows anisotropic transport properties. The interlayer conductivity show a general temperature dependence for a wide class of materials. This can be understood if conduction occurs in two different channels activated at…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Urban Lundin , Ross H. McKenzie

Numerical methods are developed to solve the problem of abnormal changes of current (conductivity) in polymer composite films which may be used as current, pressure or temperature sensors. General nonlinear model includes the heat equation,…

Materials Science · Physics 2014-10-31 D. V. Vlasov

We present thermal measurements of large area (over $1,000$~$\mu$m$^2$) monolayer graphene samples at cryogenic temperatures to study the electron-phonon thermal conductivity of graphene. By using two large samples with areas which differ…

Mesoscale and Nanoscale Physics · Physics 2016-02-10 Christopher B. McKitterick , Michael J. Rooks , Daniel E. Prober

A nanowire with its two ends fixed at two different temperatures by external baths is the simplest example of a fermionic system with a temperature inhomogeneity, and could be an easy platform to study thermodynamic and transport properties…

Mesoscale and Nanoscale Physics · Physics 2025-04-07 Yuan Gao , K. A. Muttalib

We demonstrate that the thermal Casimir-Polder forces on molecules near a conducting surface whose transition wavelengths are comparable to the molecule-surface separation are dependent on the ambient temperature and molecular polarization…

Atomic Physics · Physics 2015-06-12 Zhiying Zhu , Hongwei Yu , Bin Wang

Properties of metals are fundamentally determined by their electron behavior, which is largely reflected by the electron work function ($\varphi $). Recent studies have demonstrated that many properties of metallic materials are directly…

Materials Science · Physics 2015-03-31 Reza Rahemi , Dongyang Li

We report our theoretical calculations on the temperature and energy dependent electrical conductivity of gapped graphene within the framework of Boltzmann transport formalism. Since screening effects have known to be of vital importance in…

Mesoscale and Nanoscale Physics · Physics 2015-04-07 Digish K Patel , A C Sharma , S S Z Ashraf

We study the thermal diffusion coefficient DT of a charged colloid in a temperature gradient, and find that it is to a large extent determined by the thermoelectric response of the electrolyte solution. The thermally induced salinity…

Soft Condensed Matter · Physics 2014-01-30 Alois Würger

Recent experiments have reported evidence of dominant electron-hole scattering in the electric conductivity of suspended bilayer graphene near charge neutrality. According to these experiments, plots of the electric conductivity as a…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Mohammad Zarenia , Shaffique Adam , Giovanni Vignale

Relevant information about the nature of the dynamics of ions in electrolytes can be obtained by studying the nonlinear dependence on an applied electric field. Here we use molecular dynamics (MD) simulations to study the field effects for…

Soft Condensed Matter · Physics 2025-03-21 Alina Wettstein , Diddo Diddens , Andreas Heuer

When dissolved, weak electrolytes only partially dissociate into ions in a temperature-dependent process. We show herein that such incomplete dissociation yields an enormous thermoelectric response in an electrolyte-filled nanochannel along…

Soft Condensed Matter · Physics 2025-09-22 Rajkumar Sarma , Steffen Hardt

The effect of electron-phonon scattering processes over the thermoelectric properties of extrinsic graphene was studied. Electrical and thermal resistivity, as well as the thermopower, were calculated within the Bloch theory approximations.…

Mesoscale and Nanoscale Physics · Physics 2012-08-02 Enrique Muñoz

We calculate the thermal conductivity of electrons produced by electron-electron Coulomb scattering in a strongly degenerate electron gas taking into account the Landau damping of transverse plasmons. The Landau damping strongly reduces…

Astrophysics · Physics 2009-11-11 P. S. Shternin , D. G. Yakovlev

The thermodynamic equilibrium condition for a static self-gravitating fluid in the Einstein theory is defined by the Tolman-Ehrenfest temperature law, $T{\sqrt {g_{00}(x^{i})}} = constant$, according to which the proper temperature depends…

General Relativity and Quantum Cosmology · Physics 2020-09-02 J. A. S. Lima , A. Del Popolo , A. R. Plastino

We discuss the onset of irreversibility and entanglement of vortex lines in high Tc superconductors due to point disorder and thermal fluctuations using a simplified cage model. A combination of Flory arguments, known results from directed…

Condensed Matter · Physics 2015-06-25 Deniz Ertas , David R. Nelson

The Z method is a popular atomistic simulation method for determining the melting temperature where a sequence of molecular dynamics runs are carried out to target the lowest system energy where the solid always melts. Homogeneous melting…

Materials Science · Physics 2023-10-20 Ming Geng , Chris E. Mohn

In this article the one-dimensional, overdamped motion of a classical particle is considered, which is coupled to a thermal bath and is drifting in a quenched disorder potential. The mobility of the particle is examined as a function of…

Condensed Matter · Physics 2016-08-31 Stefan SCHEIDL