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We investigate the thermopower of a metal-molecule-metal junction taking into account thermal effects on the junction. Based on analytical expressions and numerical simulations we show that the thermoelectric potential reveals valuable…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Dvira Segal

A method of using vacuum calorimetry as a means of determining directly the energy deposited in an electrically exploded wire is presented. This energy determination is compared with that given by the time integral of the product of voltage…

General Physics · Physics 2008-11-26 Mario Rabinowitz

Thermodynamic functions of the ideal Fermi gas at arbitrary temperatures are calculated using the standard Fermi-Stoner functions. The properties of the Fermi-Stoner functions are analyzed. The limiting cases of low-temperature and…

Quantum Gases · Physics 2025-03-12 Yu. M. Poluektov , A. A. Soroka

For the Fermi gas filling the space inside a cubic cavity of a fixed volume, at arbitrary temperatures and number of particles, the thermodynamic characteristics are calculated, namely: entropy, thermodynamic potential, energy, pressure,…

Quantum Physics · Physics 2024-08-08 Yu. M. Poluektov , A. A. Soroka

We report on the measurement of the heat capacity for an optically-trapped, strongly-interacting Fermi gas of atoms. In the experiments, a precise input of energy to the gas is followed by single-parameter thermometry. The thermometry…

Other Condensed Matter · Physics 2007-05-23 J. Kinast , A. Turlapov , J. E. Thomas

We have measured the heat capacity of an optically-trapped, strongly-interacting Fermi gas of atoms. A precise input of energy to the gas is followed by single-parameter thermometry, which determines the empirical temperature parameter…

Other Condensed Matter · Physics 2011-09-13 J. Kinast , A. Turlapov , J. E. Thomas , Qijin Chen , Jelena Stajic , K. Levin

The behavior of various thermodynamic functions in the dependence of degree of energy band occupation and temperature in the one-band tight binding approximation for the crystal was studied. The Fermi energy, density of states, degeneracy…

Statistical Mechanics · Physics 2010-03-12 B. V. Karpenko , A. V. Kuznetzov , V. V. Dyakin

Average energy per fermion in case of Fermi gas with any kinematic characteristic, trapped under most general power law potential in $d$ dimension has been calculated at zero temperature. In a previous paper (M. Acharyya, Eur. J Phys. 31…

Quantum Gases · Physics 2016-04-18 Mir Mehedi Faruk

We have analytically explored finite size and interparticle interaction corrections to the average energy of a harmonically trapped Fermi gas below and above the Fermi temperature, and have obtained a better fitting for the excess energy…

Quantum Gases · Physics 2012-08-30 Shyamal Biswas , Debnarayan Jana , Raj Kumar Manna

Invited expert opinion on the article S. Kremer and R. Fresard, Ann. Phys. (Berlin) 524, 21 (2012).

Strongly Correlated Electrons · Physics 2012-02-16 Andrzej M. Oleś

Assuming the validity of grand canonical statistics, we study the properties of a spin-polarized Fermi gas in harmonic traps. Universal forms of Fermi temperature $T_F$, internal energy $U$ and the specific heat per particle of the trapped…

Quantum Physics · Physics 2009-11-06 X. X. Yi , J. C. Su

A statistical approach to the description of the thermodynamic properties of the Fermi particle system occupying a half-space over a plane of finite size in a uniform external field is proposed. The number of particles per unit area is…

Statistical Mechanics · Physics 2025-06-17 Yu. M. Poluektov , A. A. Soroka

The article contains the calculation of the efficiency of ideal ferrielectric energy converter, the working body of which is ferrielectric and which converts the heat energy of low-potential water into the electric energy. Its operation is…

Other Condensed Matter · Physics 2012-06-14 M. D. Zviadadze , I. G. Margvelashvili , A. G. Kvirikadze , L. A. Zamtaradze , A. I. Berdzenishvili

Semiclassical theories like the Thomas-Fermi and Wigner-Kirkwood methods give a good description of the smooth average part of the total energy of a Fermi gas in some external potential when the chemical potential is varied. However, in…

Other Condensed Matter · Physics 2010-12-23 M. Centelles , P. Leboeuf , A. G. Monastra , J. Roccia , P. Schuck , X. Vinas

In the domain of Fermi energy, the hot nucleus temperature can be determined by using the energy spectra of evaporated light charged particles. But this method of measurement is not without difficulties both theoretical and experimental.…

We present an experiment on forced convection where a previously heated object is cooled under the effect of a controlled stream of air. We consider a square copper plate in which temperature variations can be considered negligible and we…

Physics Education · Physics 2024-04-16 Mateo Dutra , Martin Monteiro , Arturo C. Marti

We measure the magnetic susceptibility of a Fermi gas with tunable interactions in the low-temperature limit and compare it to quantum Monte Carlo calculations. Experiment and theory are in excellent agreement and fully compatible with the…

The response of the Fermi energy to external perturbations governs key physical observables at metallic interfaces. Although this response admits a local formulation in terms of the Fukui function, its evaluation has traditionally been…

Materials Science · Physics 2026-01-12 Théophane Bernhard , Andrea Grisafi

An implementation of an electron temperature-dependent interaction potential for copper in a two-temperature model-molecular dynamics framework is presented. An algorithm for enforcing energy conservation when using such an interaction is…

Materials Science · Physics 2026-03-06 Simon Kümmel , Johannes Roth

Electrical energy is considered as a fundamental parameter for inclusion in Fermi gas theory, in addition to thermal energy. It is argued that electrical energy can move some electrons to above the Fermi Level, providing free charges to…

Materials Science · Physics 2022-06-15 C. A. M. dos Santos , M. S. da Luz , F. S. Oliveira , L. M. S Alves
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