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The understanding of the mechanisms responsible for superconductivity in strongly correlated systems is an interesting and important subject in condensed matter physics. Several theoretical proposals were considered for these systems. The…

The well-known results concerning a dilute Bose gas with the short-range repulsive interaction should be reconsidered due to a thermodynamic inconsistency of the method being basic to much of the present understanding of this subject. The…

统计力学 · 物理学 2007-05-23 A. Yu. Cherny , A. A. Shanenko

In a recent work [Phys. Rev. Lett. 98, 023004 (2007)] we have investigated the influence of attractive van der Waals interaction on the pair distribution and Penning ionization dynamics of ultracold Rydberg gases. Here we extend this…

原子物理 · 物理学 2009-11-13 Thomas Amthor , Markus Reetz-Lamour , Christian Giese , Matthias Weidemüller

The bare Coulomb interaction between two like-charges is repulsive. When these charges are immersed in an electrolyte, the thermal fluctuations of the ions turn the bare Coulomb interaction into an effective interaction between the two…

统计力学 · 物理学 2023-03-15 Gabriel Tellez

We present a mesoscopic model for thermoelectric phenomena in terms of an interacting particle system, a lattice electron gas dynamics that is a suitable extension of the standard simple exclusion process. We concentrate on electronic heat…

统计力学 · 物理学 2009-11-10 Christian Maes , Maarten H. van Wieren

We study a one-dimensional system of spinless electrons in the presence of a long-range Coulomb interaction (LRCI) and a random chemical potential at each site. We first present a Tomonaga-Luttinger liquid (TLL) description of the system.…

强关联电子 · 物理学 2009-11-10 Amit Dutta , Lars Fritz , Diptiman Sen

We study the problem of two particles with Coulomb repulsion in a two-dimensional disordered potential in the presence of a magnetic field. For the regime, when without interaction all states are well localized, it is shown that above a…

凝聚态物理 · 物理学 2009-10-31 Giuliano Benenti , Dima L. Shepelyansky

Theories of proximity effect in layered superconductor-normal metal structures usually deal with a hypothetic normal metal with no interaction between electrons and with finite temperatures often close to the superconductor critical…

超导电性 · 物理学 2008-11-19 A. S. Alexandrov , V. V. Kabanov

The physical consequences of the relativistic and nonrelativistic approaches to describe the energy levels of electrons which propagate in a static homogeneous magnetic field are considered. It is shown that for a given strength of the…

高能物理 - 唯象学 · 物理学 2008-03-31 H. J. Schreiber , N. B. Skachkov

The hysteresis curves of systems composed of small interacting magnetic particles, regularly placed on stacked layers, are obtained with Monte Carlo simulations. The remanence as a function of temperature, in interacting systems, presents a…

材料科学 · 物理学 2009-11-10 Paola R. Arias , D. Altbir , M. Bahiana

Densities of particles on $\Rn$ which interact pairwise through an attractive-repulsive power-law potential $W_{\al,\bt}(x) = |x|^\al/\al-|x|^\bt/\bt$ have often been used to explain patterns produced by biological and physical systems. In…

数学物理 · 物理学 2022-12-14 Cameron Davies , Tongseok Lim , Robert J. McCann

The dispersion component of the van der Waals (vdW) interaction in low-dimensional metals is known to exhibit anomalous "Type-C non-additivity" [Int. J. Quantum Chem. 114, 1157 (2014)]. This causes dispersion energy behavior, at…

介观与纳米尺度物理 · 物理学 2023-08-24 John F. Dobson , Alberto Ambroselli

The results of a theoretical investigation on the stopping power of ions moving in a disordered two-dimensional degenerate electron gas are presented. The stopping power for an ion is calculated employing linear response theory using the…

等离子体物理 · 物理学 2009-01-16 H. B. Nersisyan , A. K. Das

We study the effect of electron-electron interaction on the one-particle density of states (\emph{DOS}) $\rho^{(d)}(\epsilon,T)$ of low-dimensional disordered metals near Fermi energy within the framework of the finite temperature…

强关联电子 · 物理学 2015-05-14 E. Sasioglu , S. Caliskan , M. Kumru

We study the phase behavior of a classical system of particles interacting through a strictly convex soft-repulsive potential which, at variance with the pairwise softened repulsions considered so far in the literature, lacks a region of…

软凝聚态物质 · 物理学 2009-09-17 Franz Saija , Santi Prestipino , Gianpietro Malescio

It is an well established fact that statistical properties of energy level spectra are the most efficient tool to characterize nonintegrable quantum systems. The study of statistical properties and spectral fluctuation in the interacting…

量子气体 · 物理学 2013-09-05 Barnali Chakrabarti , Anindya Biswas , V. K. B. Kota , Kamalika Roy , Sudip Kumar Haldar

We study numerically and analytically the dynamics of two classical electrons with Coulomb interaction in a two dimensional antidot superlattice potential in the presence of crossed electric and magnetic fields. It is found that near one…

凝聚态物理 · 物理学 2009-10-31 A. L. Chepelianskii , D. L. Shepelyansky

We review the experimental limits on mass of excited fundamental particles and contact interaction energy scale parameters $\Lambda$ for QCD, QED and electroweak reactions. In particular we have focused on the QED reaction $ \EEGG $ at the…

高能物理 - 唯象学 · 物理学 2009-11-07 Irina Dymnikova , Juergen Ulbricht , Jiawei Zhao

Recent progress in the formulation of a fully dynamical local approximation to time-dependent Density Functional Theory appeals to the longitudinal and transverse components of the exchange and correlation kernel in the linear…

凝聚态物理 · 物理学 2008-12-18 R. Nifosi' , S. Conti , M. P. Tosi

Detailed comparisons are reported between laboratory observations of electron-scale dissipation layers near a reconnecting X-line and direct two-dimensional full-particle simulations. Many experimental features of the electron layers, such…

天体物理仪器与方法 · 物理学 2015-05-14 H. Ji , Y. Ren , M. Yamada , S. Dorfman , W. Daughton , S. P. Gerhardt