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We develop an Effective Medium Theory to study the electrical transport properties of disordered graphene. The theory includes non-linear screening and exchange-correlation effects allowing us to consider experimentally relevant strengths…

介观与纳米尺度物理 · 物理学 2009-06-20 Enrico Rossi , S. Adam , S. Das Sarma

Differential cross sections are computed for the title polar molecule using static interaction, exchange forces and correlation-polarisation effects as described in detail in the main text. The dipole effect is also reported via the dipole…

化学物理 · 物理学 2009-11-13 F. A. Gianturco , T. Stoecklin

We study interaction corrections to the thermoelectric transport coefficient $\alpha$ and the thermopower $S$ in the two-dimensional disordered electron gas with long-range Coulomb interactions. To this end, we analyze the heat…

介观与纳米尺度物理 · 物理学 2024-11-05 Zahidul Islam Jitu , Georg Schwiete

We consider a degenerate Bose gas confined in a double-well potential in interaction with a trapped ion in one dimension and investigate the impact of two relevant sources of imperfections in experiments on the system dynamics: ion motion…

量子物理 · 物理学 2019-10-09 Mostafa R. Ebgha , Shahpoor Saeidian , Peter Schmelcher , Antonio Negretti

Fully kinetic simulations are applied to the study of 2D anti-parallel reconnection, elucidating the dynamics by which the electron fluid maintains force balance within both the electron diffusion region (EDR) and the ion diffusion region…

等离子体物理 · 物理学 2023-06-16 J. Egedal , H. Gurram , S. Greess , W. Daughton , A. Lê

The Electric Dipole Moment of the electron (eEDM) is typically investigated in experiments using paramagnetic molecules. However, the physical observable in these searches consists in a linear combination of CP-violating interactions,…

高能物理 - 唯象学 · 物理学 2025-03-31 Marco Ardu , Nicola Valori

Diffusion of electrons in two-dimensional disordered systems with spin-orbit interactions is investigated numerically. Asymptotic behaviors of the second moment of the wave packet and of the temporal auto-correlation function are examined.…

凝聚态物理 · 物理学 2009-10-28 Tohru Kawarabayashi , Tomi Ohtsuki

The recombination of an electron with an (initially) hydrogen-like ion is investigated. The effect of the electron-electron interaction is treated rigorously to the first order in the parameter 1/Z and within the screening-potential…

原子物理 · 物理学 2015-05-19 Vladimir A. Yerokhin , Andrey Surzhykov

Dust-ion collisional effect in dust ion acoustic waves is investigated in the framework of spherical and cylindrical geometry. For such study the fluid equation are takes and collisional effect is consider in the equation of momentum…

等离子体物理 · 物理学 2021-12-08 Uday Narayan Ghosh , Laxmikanta Mandi , Prasanta Chatterjee

We propose a simple analytic representation of the correlation energy for the two-dimensional electron gas, as a function of the density and the spin polarization. This new parametrization includes most of the known high- and low- density…

强关联电子 · 物理学 2007-05-23 Paola Gori-Giorgi , Claudio Attaccalite , Saverio Moroni , Giovanni B. Bachelet

We investigate the effect of losses on an interacting quantum gas. We show that, for gases in dimension higher than one, assuming together a vanishing correlation time of the reservoir where dissipation occurs, and contact interactions…

量子气体 · 物理学 2021-09-22 Isabelle Bouchoule , Léa Dubois , Léo-Paul Barbier

The problem of the one dimensional electro-diffusion of ions in a strong binary electrolyte is considered. In such a system the solute dissociates completely into two species of ions with unlike charges. The mathematical description…

化学物理 · 物理学 2012-03-28 Sandip Ghosal , Zhen Chen

We study transport properties of a two-dimensional electron gas, placed in a classically strong perpendicular magnetic field and in constant and oscillating in-plane electric fields. The analysis is based on a quantum Boltzmann equation…

介观与纳米尺度物理 · 物理学 2009-01-09 M. Khodas , M. G. Vavilov

To expand on recent work, we introduce collisional terms in the analysis of the warm ion-electron, two-fluid equations for a homogeneous plasma at rest. Consequently, the plasma is now described by six variables: the magnetisation, the…

等离子体物理 · 物理学 2024-05-21 Joeri De Vadder , Jordi De Jonghe , Rony Keppens

We study consequences of gauge invariance and charge conservation of an electron gas in a strong random potential perturbed by a weak electromagnetic field. We use quantum equations of motion and Ward identities for one- and two-particle…

无序系统与神经网络 · 物理学 2008-09-16 V. Janis , J. Kolorenc , V. Spicka

Here we investigate a limiting case of the theory for aggregation and gelation in the electrical double layer (EDL) of ionic liquids (ILs). The limiting case investigated only accounts for ion pairs, ignoring the possibility of larger…

软凝聚态物质 · 物理学 2022-09-09 Zachary A. H. Goodwin , Alexei A. Kornyshev

We present new results on the ionization by electron impacts in a dense plasma. We are interested in the density effect known as the ionization potential depression and in its role in atomic structure. Rather than using the well-known…

原子物理 · 物理学 2023-09-14 Djamel Benredjem , Jean-Christophe Pain , Annette Calisti , Sandrine Ferri

The condensation energy of the homogeneous electron gas is calculated within the density functional theory for superconductors. Purely electronic considerations include the exchange energy exactly and the correlation energy on a level of…

超导电性 · 物理学 2013-04-02 M. Wierzbowska , J. W. Krogh

A remarkably long-lived spin plasmon may exist in two-dimensional electron liquids with imbalanced spin up and spin down population. Predictions for this interesting mode by Agarwal et al. [Phys. Rev. B 90, 155409 (2014)] are based on the…

介观与纳米尺度物理 · 物理学 2016-03-09 Dominik Kreil , Raphael Hobbiger , Jürgen T. Drachta , Helga M. Böhm

We calculate the correlation energy of a two-dimensional homogeneous electron gas using several available approximations for the exchange-correlation kernel $f_{\rm xc}(q,\omega)$ entering the linear dielectric response of the system. As in…

介观与纳米尺度物理 · 物理学 2009-11-10 R. Asgari , M. Polini , B. Davoudi , M. P. Tosi