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The quantum description of an atom with a magnetic quadrupole moment in the presence of a uniform effective magnetic field is analysed. The atom is also subject to rotation and a scalar potential proportional to the inverse of the radial…

Quantum Physics · Physics 2017-05-26 I. C. Fonseca , K. Bakke

Calculations of stable and metastable magnetic states as well as minimum energy paths for transitions between states are carried out using a noncollinear extension of the multiple-impurity Alexander-Anderson model and a magnetic force…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Pavel F. Bessarab , Valery M. Uzdin , Hannes Jónsson

We study the Landau levels in curved graphene sheets by measuring the discrete energy spectrum in the presence of a magnetic field. We observe that in rippled graphene sheets, the Landau energy levels satisfy the same square root dependence…

Mesoscale and Nanoscale Physics · Physics 2018-10-17 Jens-Daniel Debus , Miller Mendoza , Hans Jürgen Herrmann

Valley coherence is of great significance for exploring fundamental quantum phenomena and developing next-generation valleytronic devices. Herein, we theoretically investigate the valley quantum interference engineered by inter-Landau level…

Mesoscale and Nanoscale Physics · Physics 2026-03-10 Xinyu Mu , Shihao Li , Xiaoying Zhou , Guangyi Jia

We consider a two-dimensional system in which a charged particle is exposed to a homogeneous magnetic field perpendicular to the plane and a potential that is translationally invariant in one dimension. We derive several conditions on such…

Mathematical Physics · Physics 2024-10-22 Pavel Exner , David Spitzkopf

We consider a system consists of a doped monolayer phosphorene embedded between two hexagonal Boron Nitride (hBN) slabs along the heterostructure direction. The wavevector azimuthal angle dependence of the plasmon-polariton and…

Mesoscale and Nanoscale Physics · Physics 2020-11-03 Farnood Ghohroodi Ghamsari , Reza Asgari

We consider a charged particle moving in a two dimensional plane in the presence of a background magnetic field perpendicular to the plane, i.e. the Landau system in a phase-space where the coordinates and momenta both follow canonical…

High Energy Physics - Theory · Physics 2017-01-04 Sunandan Gangopadhyay , Anirban Saha , Aslam Halder

The surface stabilized MnO(100)-like monolayer, characterised by a regular c(4x2) distribution of Mn vacancies, is studied by hybrid functionals and discussed in the light of available scanning tunneling microscopy and high-resolution…

Materials Science · Physics 2009-11-13 C. Franchini , J. Zabloudil , R. Podloucky , F. Allegretti , F. Li , S. Surnev , F. P. Netzer

We describe a peculiar fine structure acquired by the in-plane optical phonon at the Gamma-point in graphene when it is brought into resonance with one of the inter-Landau-level transitions in this material. The effect is most pronounced…

Mesoscale and Nanoscale Physics · Physics 2009-09-24 M. O. Goerbig , J. -N. Fuchs , K. Kechedzhi , Vladimir I. Fal'ko

We investigate the variation of the oscillation frequency of the Mg$^{2+}$ and O$^{2-}$ ions in the magnesium oxide lattice due to the interactions of the surface with water monolayers by means of Low Energy Electron Diffraction. Our key…

Two interacting electrons in a harmonic oscillator potential under the influence of a perpendicular homogeneous magnetic field are considered. Analytic expressions are obtained for the energy spectrum of the two- and three-dimensional…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 M. Dineykhan , R. G. Nazmitdinov

The magnetic field and temperature dependence of the transverse and longitudinal plasmons in SmLa_0.8Sr_0.2CuO_{4-\delta} have been measured for frequencies 5 < nu < 30 cm^{-1} and magnetic fields 0 < B < 7 T. A transition between a vortex…

Superconductivity · Physics 2009-11-07 A. Pimenov , A. Loidl , D. Dulic , D. van der Marel , I. M. Sutjahja , A. A. Menovsky

The behaviour of a particle with a spin 1/2 and a dipole magnetic moment in a time-varying magnetic field in the form $(h_0 cn(\omega t,k), h_0 sn(\omega t,k), H_0 dn(\omega t,k))$, where $\omega$ is the driving field frequency, $t$ is the…

Quantum Physics · Physics 2014-12-22 E. A. Ivanchenko

We apply the generalized Boltzmann theory to describe thermoelectric transport properties of monolayer phosphorene in the presence of short- and long-range charged impurity interactions. First, we propose a low-energy Hamiltonian to explore…

Mesoscale and Nanoscale Physics · Physics 2017-01-27 Moslem Zare , Babak Zare Rameshti , Farnood G. Ghamsari , Reza Asgari

The effect of a magnetic field on the energy spectrum and on the wave functions of an electron in spherical nano-structures such as single quantum dot and spherical layer is investigated. It is shown that the magnetic field removes the…

Mesoscale and Nanoscale Physics · Physics 2014-03-10 V. Holovatsky , O. Voitsekhivska , I. Bernik

The Earth's magnetosheath provides a high $\beta$ (ratio of electron thermal pressure to magnetic pressure) plasma environment where kinetic Alfv\'en waves (KAWs) strongly influence turbulence and energy dissipation. This study investigates…

Plasma Physics · Physics 2025-12-11 Mani K. Chettri , Hemam D. Singh , Vivek Shrivastav , Britan Singh , Rupak Mukherjee

In the presence of a magnetic field applied perpendicular to a thin sample layer, a suspension of magnetic colloidal particles (ferrofluid) can form spatially modulated phases with a characteristic length determined by the competition…

Soft Condensed Matter · Physics 2009-11-07 D. Lacoste , T. C. Lubensky

Laser-atom interaction can be an efficient mechanism for the production of coherent electrons. We analyze the dynamics of monoenergetic electrons in the presence of uniform, perpendicular magnetic and electric fields. The Green function…

Quantum Physics · Physics 2007-05-23 Tobias Kramer , Christian Bracher , Manfred Kleber

Energy positions of pure magnetic transitions in Mossbauer Spectroscopy are calculated using non-extensive approach. It is observed that these new calculated energy positions so obtained, may have strong overlap with those energy positions…

Statistical Mechanics · Physics 2009-11-13 Ashok Razdan

We performed density functional theory calculations with self-consistent van der Waals corrected exchange-correlation (XC) functionals to capture the structure of black phosphorus and twelve monochalcogenide monolayers and find the…

Mesoscale and Nanoscale Physics · Physics 2020-01-01 Shiva P. Poudel , John W. Villanova , Salvador Barraza-Lopez