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A general discussion is made concerning the ways in which one can get signatures about a possible liquid-gas phase transition in nuclear matter. Microcanonical temperature, heat capacity and second order derivative of the entropy versus…

核理论 · 物理学 2009-11-07 Al. H. Raduta , Ad. R. Raduta

In this work the thermodynamics of the electrodeposition on nanoholes is analyzed. Different lattice-gas models of nanoholes, from parallelepiped geometry to the empty bulk of a nanoparticle, were considered. The models include curvature on…

介观与纳米尺度物理 · 物理学 2015-09-18 O. A. Pinto , B. A. López de Mishima , O. A. Oviedo , E. P. M. Leiva

Using numerical methods, we systematically study in the framework of ideal MHD the effect of magnetic fields on heat transfer within a turbulent gas. We measure the rates of passive scalar diffusion within magnetized fluids and make the…

天体物理学 · 物理学 2009-11-07 J. Cho , A. Lazarian , A. Honein , B. Knaepen , S. Kassinos , P. Moin

We investigate the Casimir pressure between two parallel plates made of magnetic materials at nonzero temperature. It is shown that for real magnetodielectric materials only the magnetic properties of ferromagnets can influence the Casimir…

量子物理 · 物理学 2015-05-14 G. L. Klimchitskaya , B. Geyer , V. M. Mostepanenko

Controlling the temperature in architectures involving nanoparticles and substrates is a key issue for applications involving micro and nanoscale heat transfer. We study the thermal behavior of a single nanoparticle interacting with a flat…

光学 · 物理学 2017-03-03 Houssem Kallel , Rémi Carminati , Karl Joulain

This article is proposed to investigate the impacts of heat and mass transfer in magnetohydrodynamic casson fluid embedded in porous medium. The generalized solutions have been traced out for the temperature distribution, mass concentration…

流体动力学 · 物理学 2017-06-14 Kashif Ali Abro , Hina Saeed Shaikh , Ilyas Khan

We theoretically study thermal transport in an electronic interferometer comprising a parallel circuit of two quantum dots, each of which has a tunable single electronic state which are connected to two leads at different temperature.As a…

介观与纳米尺度物理 · 物理学 2009-11-10 Sam Young Cho , Ross H. McKenzie

Heat transfer between a silver nanoparticle and surrounding water has been studied using molecular dynamics (MD) simulations. The thermal conductance (Kapitza conductance) at the interface between a nanoparticle and surrounding water has…

材料科学 · 物理学 2019-03-29 Ali Rajabpour , Roham Seif , Saeed Arabha , Mohammad Mahdi Heyhat , Samy Merabia , Ali Hassanali

We study the non equilibrium Casimir-Lifshitz force between graphene-based parallel structures held at different temperatures and in presence of an external thermal bath at a third temperature. The graphene conductivity, which is itself a…

介观与纳米尺度物理 · 物理学 2023-09-21 Youssef Jeyar , Kevin Austry , Minggang Luo , Brahim Guizal , H. B. Chan , Mauro Antezza

Transverse thermoelectric effects interconvert charge and heat currents in orthogonal directions due to the breaking of either time-reversal symmetry or structural symmetry, enabling simple and versatile thermal energy harvesting and…

We explore near-field thermal radiation transport in nanoparticles embedded within a multilayer slab structure, focusing on dynamic modulation of heat flux via cavity interactions. Our findings reveal that by tuning the distance between…

介观与纳米尺度物理 · 物理学 2026-03-10 Yun-Chao Hao , Matthias Krüger , Mauro Antezza , Cheng-Long Zhou , Hong-Liang Yi , Yong Zhang

The relationship between thermodynamics and statistical physics is valid in the thermodynamic limit - when the number of particles becomes very large. Here, we study thermodynamics in the opposite regime - at both the nano scale, and when…

量子物理 · 物理学 2014-10-28 Michał Horodecki , Jonathan Oppenheim

Spin and orbital angular momentum of light plays a central role in quantum nanophotonics as well as topological electrodynamics. Here, we show that the thermal radiation from finite-sized bodies comprising of nonreciprocal magneto-optical…

光学 · 物理学 2021-06-16 Xingyu Gao , Chinmay Khandekar , Zubin Jacob , Tongcang Li

We investigate the near-field heat transfer between a semi-infinite medium and a nanoparticle made of composite materials. We show that, in the effective medium approximation, the heat transfer can be greatly enhanced by considering…

介观与纳米尺度物理 · 物理学 2015-05-12 W. J. M. Kort-Kamp , P. I. Caneda , F. S. S. Rosa , F. A. Pinheiro

We calculate repulsive Casimir forces between metallic and magnetic plates and quantitatively probe the magnetic plate's properties as tuning knobs for the repulsion. Namely, the plate's thickness and its low-frequency permittivity and…

量子物理 · 物理学 2023-06-16 Calum Shelden , Benjamin Spreng , Jeremy N. Munday

The Casimir force acting between two test bodies made of different metals is considered. The finiteness of the conductivity of the metals is taken into account perturbatively up to the fourth order of the relative penetration depths of…

量子物理 · 物理学 2007-05-23 B. Geyer , G. L. Klimchitskaya , V. M. Mostepanenko

We theoretically study heat transfer between two anisotropic nanoparticles in vacuum, and derive closed expressions in terms of the anisotropic dipole polarizabilities. We show that transfer between two small spheroids can be many times as…

量子物理 · 物理学 2015-06-18 Roberta Incardone , Thorsten Emig , Matthias Krüger

We report on experiments performed within the Knudsen boundary layer of a low-pressure gas. The non-invasive probe we use is a suspended nano-electro-mechanical string (NEMS), which interacts with $^4$He gas at cryogenic temperatures. When…

介观与纳米尺度物理 · 物理学 2018-01-24 R. R. Gazizulin , O. Maillet , X. Zhou , A. Maldonado Cid , O. Bourgeois , E. Collin

On the basis of ab initio quantum mechanics (QM) calculation, the obtained electron heat capacity is implemented into energy equation of electron subsystem in two temperature model (TTM). Upon laser irradiation on the copper film, energy…

化学物理 · 物理学 2016-03-01 Pengfei Ji , Yuwen Zhang

Two kinetic models are proposed for high-temperature rarefied (or non-equilibrium) gas flows with radiation. One of the models uses the Boltzmann collision operator to model the translational motion of gas molecules, which has the ability…

流体动力学 · 物理学 2023-06-28 Qi Li , Jianan Zeng , Lei Wu
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