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We analyze the effects of an applied magnetic field on the phase diagram of a weakly-correlated electron system with imperfect nesting. The Hamiltonian under study describes two bands: electron and hole ones. Both bands have spherical Fermi…

Strongly Correlated Electrons · Physics 2017-01-19 A. O. Sboychakov , A. L. Rakhmanov , K. I. Kugel , A. V. Rozhkov , Franco Nori

We use a recently developed formalism (combining an adiabatic expansion and dynamical mean-field theory) to obtain expressions for isotope effects on electronic properties in correlated systems. As an example we calculate the isotope effect…

Strongly Correlated Electrons · Physics 2009-11-07 A. Deppeler , A. J. Millis

An appearance of a direct current perpendicularly to a constant component of an electric field in material with Rashba Hamiltonian under the influence of an elliptically polarized wave is investigated in one-subband approximation. On its…

Mesoscale and Nanoscale Physics · Physics 2014-07-07 V. I. Konchenkov , S. V. Kryuchkov , D. V. Zav'yalov

We investigate the emerging consequences of an applied strong in-plane electric field on a macroscopically large graphene sheet subjected to a perpendicular magnetic field, by determining in exact analytical form various many-body…

General Physics · Physics 2018-02-07 Georgios Konstantinou , Konstantinos Moulopoulos

The electric-field effect on the electronic and magnetic properties of triangular and hexagonal graphene quantum rings with zigzag edge termination is investigated by means of the single-band tight-binding Hamiltonian and the mean-field…

Mesoscale and Nanoscale Physics · Physics 2014-08-29 R. Farghadan , A. Saffarzadeh

Tunable transmittance response in the $0.1-25$ THz range for a lead Zirconate Titanate Ferroelectric film under imprint effects and surface anisotropy is calculated by adapting the classical Landau Devonshire theory and the Rouard's method.…

Materials Science · Physics 2015-02-18 H. Vivas C

In scenarios of strongly coupled electroweak symmetry breaking, heavy composite particles of different spin and parity may arise and cause observable effects on signals that appear at loop levels. The recently observed process of Higgs to…

High Energy Physics - Phenomenology · Physics 2015-06-15 A. E. Cárcamo Hernández , Claudio O. Dib , Alfonso R. Zerwekh

Supercurrent field-effect transistors made from thin metallic films are a promising option for next-generation high-performance computation platforms. Despite extensive research, there is still no complete quantitative microscopic…

Superconductivity · Physics 2025-05-29 Alessio Zaccone , Giovanni A. Ummarino , Alessandro Braggio , Francesco Giazotto

The effect of AC electric fields on the elasticity of supported lipid bilayers has been investigated at the microscopic level using grazing incidence synchrotron x-ray scattering. A strong decrease in the membrane tension up to 1mN/m and a…

Soft Condensed Matter · Physics 2016-06-08 Arnaud Hemmerle , Thierry Charitat , Giovanna Fragneto , Jean Daillant

This paper models light scattering through flat surfaces with finite transmission, reflection and absorption rates, with wave packets approaching the mirror from both sides. While using the same notion of photons as in free space, our model…

Quantum Physics · Physics 2018-04-18 Nicholas Furtak-Wells , Lewis A. Clark , Robert Purdy , Almut Beige

Understanding the effect of electric fields on the physical and chemical properties of two-dimensional (2D) nanostructures is instrumental in the design of novel electronic and optoelectronic devices. Several of those properties are…

Mesoscale and Nanoscale Physics · Physics 2014-08-19 Elton J. G. Santos

Contrary to existing theoretical models, experimental evidence points out that electroporation (membrane defect formation under external electric fields) starts to occur within the range of transmembrane voltages that cells may routinely…

Biological Physics · Physics 2007-05-23 Zlatko Vasilkoski

Plasmon drag effect is studied theoretically and experimentally in gold films with a sine-wave height profile. Numerical simulations based on the modified electromagnetic momentum loss approach are shown to correctly describe the…

Materials Science · Physics 2016-03-25 N. Noginova , M. LePain , V. Rono , S. Masshadi , R. Hussain , M. Durach

We extend the orbital-dependent electron tunneling model implemented within the three-dimensional (3D) Wentzel-Kramers-Brillouin (WKB) atom-superposition approach to simulate spin-polarized scanning tunneling microscopy (SP-STM) above…

Materials Science · Physics 2014-05-15 Gábor Mándi , Krisztián Palotás

We introduce a method for a combined calculation of charge and vector spin transport of elastically tunneling electrons in magnetic scanning tunneling microscopy (STM). The method is based on the three-dimensional Wentzel-Kramers-Brillouin…

Materials Science · Physics 2016-09-28 Krisztián Palotás , Gábor Mándi , László Szunyogh

Black phosphorus exhibits a layered structure similar to graphene, allowing mechanical exfoliation of ultrathin single crystals. Here we demonstrate few-layer black phosphorus field effect devices on Si/SiO$_2$ and measure charge carrier…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Steven P. Koenig , Rostislav A. Doganov , Hennrik Schmidt , A. H. Castro Neto , Barbaros Oezyilmaz

In the frame of the linear sigma model and working in the weak field approximation, we discuss the role played by an external electric field on the behavior of $\pi$-$\pi$ scattering lengths. For this purpose, we have considered all…

High Energy Physics - Phenomenology · Physics 2024-10-29 M. Loewe , R. Cadiz , R. Zamora

While several articles have been written on Electrohydrodynamics (EHD) flows or flows with constant vorticity separately, little is known about the extent to which the combined effects of EHD and constant vorticity affect the flow. This…

Fluid Dynamics · Physics 2024-01-24 M. V. Flamarion , E. Kochurin , R. Ribeiro-Jr , N. Zubarev

We discuss the effects of electric fields along compact directions within (supersymmetric) gauge theory in $\mathbb{R}^{1,3}\times{\mathbb T}^2 (\times{\mathbb T}^2\times{\mathbb T}^2)$. The electric field along compact directions is…

High Energy Physics - Theory · Physics 2024-10-08 Hiroyuki Abe , Yusuke Yamada

We present approximate methods for calculating the three-dimensional electric potentials of finite surface electrodes including gaps between electrodes, and estimate the effects of finite electrode thickness and an underlying dielectric…

Quantum Physics · Physics 2010-02-27 Roman Schmied