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The impact of Coulomb interaction on the electronic properties of a quantum spin-Hall insulator is studied using quantum cluster methods, disentangling local from non-local effects. We identify different regimes, according to the value of…

强关联电子 · 物理学 2021-12-22 Lorenzo Crippa , Adriano Amaricci , Severino Adler , Giorgio Sangiovanni , Massimo Capone

By using the recently generalized version of Newton Shell Theorem analytical equations are derived to calculate the electric interaction energy between two separated charged spheres surrounded outside and inside by electrolyte. This…

软凝聚态物质 · 物理学 2021-03-26 István P. Sugár

Differential cross sections of the elastic pion-proton scattering are investigated at very small momentum transfer in a holographic QCD model, considering both the strong and Coulomb interaction in the Regge regime. The strong interaction…

高能物理 - 唯象学 · 物理学 2024-03-26 Yu-Peng Zhang , Xun Chen , Xiao-Hua Li , Akira Watanabe

We propose a simple formula for fitting the electron mean free paths in solids both at high and at low electron energies. The free-electron-gas approximation used for predicting electron mean free paths is no longer valid at low energies (E…

材料科学 · 物理学 2009-11-11 B. Ziaja , R. A. London , J. Hajdu

We use the recently introduced independent-atom-model pixel counting method to calculate proton-impact net ionization cross sections for a large class of biologically relevant systems including pyrimidines, purines, amino acids, and…

原子与分子团簇 · 物理学 2019-10-02 Hans Jürgen Lüdde , Marko Horbatsch , Tom Kirchner

Laser-controlled entanglement between atomic qubits (`spins') and collective motion in trapped ion Coulomb crystals requires conditional momentum transfer from the laser. Since the spin-dependent force is derived from a spatial gradient in…

原子物理 · 物理学 2021-12-06 Adam D West , Randall Putnam , Wesley C Campbell , Paul Hamilton

The subtle differences between positive and negative pion spectra can used be used to study the nature of the nuclear interaction region in heavy-ion collisions. Several large acceptance heavy ion experiments at facilities ranging from SIS,…

核实验 · 物理学 2014-08-07 D. Cebra , S. G. Brovko , C. E. Flores , B. A. Haag , J. L. Klay

The influence of Coulomb interaction on the electron transport through molecular wires is studied in the regime of incoherent tunneling. In the limit of strong Coulomb repulsion, the current for spinless electrons is determined. It is shown…

化学物理 · 物理学 2007-05-23 Jörg Lehmann , Gert-Ludwig Ingold , Peter Hänggi

We show that a measurement of the reaction energy dependence of relative hadron resonance yields in heavy ion collisions can be used to study the phase structure of the dense QCD matter created in these collisions, and investigate the…

核理论 · 物理学 2008-11-26 Giorgio Torrieri , Johann Rafelski

In this paper, the ionization and recombination coefficients of dense semiclassical hydrogen plasma on the basis of the effective interaction potential have been investigated. For this goal the Bohr$-$Lindhard method and method phase…

By performing an ensemble of molecular dynamics simulations, the model-dependent ionisation state is computed for strongly interacting systems self-consistently. This is accomplished through a free energy minimisation framework based on the…

等离子体物理 · 物理学 2025-01-17 Daniel Plummer , Pontus Svensson , Dirk O. Gericke , Patrick Hollebon , Sam M. Vinko , Gianluca Gregori

In this article, we combine the modified electrostatics of a one-dimensional transistor structure with a quantum kinetic formulation of Coulomb interaction and nonequilibrium transport. A multi-configurational self-consistent Green's…

其他凝聚态物理 · 物理学 2007-05-23 K. M. Indlekofer , J. Knoch , J. Appenzeller

The free energy of ion solvation can be decomposed into enthalpic and entropic contributions. This helps to understand the connection between the dielectric properties and the underlying forces. We present a simple linear-response model of…

软凝聚态物质 · 物理学 2024-06-24 Alec Wills , Anthony Mannino , Isidro Losada , Sara G. Mayo , Jose M. Soler , Marivi Fernandez-Serra

We study electron transport through single-electron spin-valve transistors in the presence of non-local exchange between the ferromagnetic leads and the central normal-metal island. The Coulomb interaction is described with the orthodox…

介观与纳米尺度物理 · 物理学 2007-05-23 Wouter Wetzels , Gerrit E. W. Bauer , Milena Grifoni

Fusion reactions of heavy ions are investigated by employing a simple stochastic semi-classical model which includes the coupling between relative motion and low frequency collective surface modes of colliding ions similarly to the quantal…

核理论 · 物理学 2010-03-19 Sakir Ayik , Bulent Yilmaz , Denis Lacroix

The optical dielectric function of ZnGeN$_2$ is calculated from the interband transitions using the energy bands calculated in the quasiparticle self-consistent (QS)$G\hat W$ method using two different levels of approximation: the…

材料科学 · 物理学 2024-03-22 Ozan Dernek , Walter R. L. Lambrecht

In sudden perturbation approximation, the probability of the shake-up process accompanying inner-shell ionization is calculated for the isoelectronic sequences of Li-, Na- and K-like ions in the ground and excited $n$p and $n$d states.…

原子物理 · 物理学 2009-11-11 A. Kupliauskiene , K. Glemza

A BCS-like variational wave-function, which is exact in the infinite field limit, is used to study the interplay among Zeeman energies, lateral confinement and particle correlations induced by the Coulomb interactions in strongly pumped…

介观与纳米尺度物理 · 物理学 2009-11-07 Boris A. Rodriguez , Augusto Gonzalez

We examine the impact of Coulomb electron-electron interaction on transport in a junction with a quantum dot described by Kondo Hamiltonian. We analyze the Fermi liquid regime and consider the limit of zero temperature. With the help of…

强关联电子 · 物理学 2009-11-11 A. Golub

We present a full derivation of the interaction Hamiltonian for holes in silicon within the six-band envelope-function scheme, which appropriately describes the valence band close to the $\boldsymbol{\Gamma}$ point. The full structure of…

介观与纳米尺度物理 · 物理学 2021-11-17 Andrea Secchi , Laura Bellentani , Andrea Bertoni , Filippo Troiani