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Related papers: Exponential localization in 2D pure magnetic wells

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We have recently demonstrated that by expanding in small distance from the magnetic axis compared to the major radius, stellarator shapes with low neoclassical transport can be generated efficiently. To extend the utility of this new design…

Plasma Physics · Physics 2020-10-28 Matt Landreman , Rogerio Jorge

The paper presents the low temperature expansion of the 2D Ising model in the presence of the magnetic field in powers of $x=\exp(-J/(kT))$ and $z=\exp(B/(kT))$ with full polynomials in $z$ up to $x^{88}$ and full polynomials in $x^4$ up to…

Statistical Mechanics · Physics 2023-03-23 K. A. Meissner , D. Ircha , W. Olszewski , J Ruta , A. Słapek

The Muon g-2 Experiment at Fermilab will measure the anomalous magnetic moment of the muon to a precision of 140 parts per billion, which is a factor of four improvement over the previous E821 measurement at Brookhaven. The experiment will…

Instrumentation and Detectors · Physics 2017-01-04 J. L. Holzbauer

Magnetoconductance of a gated two-dimensional electron gas (2DEG) in the inversion layer on p-type HgCdTe crystal is investigated. At strong magnetic fields, characteristic features such as quantum Hall effect of a 2DEG with single subband…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Rui Yang , Guolin Yu , Kuanghong Gao , Laiming Wei , Xinzhi Liu , Tie Lin , Shaoling Guo , Ning Dai , Junhao Chu

The localization properties of electrons moving in a plane perpendicular to a spatially-correlated static magnetic field of random amplitude and vanishing mean are investigated. We apply the method of level statistics to the eigenvalues and…

Disordered Systems and Neural Networks · Physics 2007-05-23 H. Potempa , L. Schweitzer

SrRu2O6 has unique magnetic properties. It is characterized by a very high N\'eel temperature, despite its quasi-two-dimensional structure, and has a magnetic moment more than twice reduced compared to the formal ionic count. First…

Strongly Correlated Electrons · Physics 2015-10-21 S. Streltsov , I. I. Mazin , K. Foyevtsova

We have applied a novel scanned probe method to directly resolve the interior structure of a GaAs/AlGaAs two-dimensional electron system in a tunneling geometry. We find that the application of a perpendicular magnetic field can induce…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 I. J. Maasilta , Subhasish Chakraborty , I. Kuljanishvili , S. H. Tessmer , M. R. Melloch

Magneto-transport measurements are performed on the two-dimensional electron system (2DES) in an AlGaAs/GaAs heterostructure. By increasing the magnetic field perpendicular to the 2DES, magnetoresistivity oscillations due to Landau…

Mesoscale and Nanoscale Physics · Physics 2008-07-02 Kuang Yao Chen , Y. H. Chang , C. -T. Liang , N. Aoki , Y. Ochiai , C. F. Huang , Li-Hung Lin , K. A. Cheng , H. H. Cheng , H. H. Lin , Jau-Yang Wu , Sheng-Di Lin

We consider the discrete Schr\"odinger operator $H=-\Delta+V$ on a cube $M\subset \mathbb{Z}^d$, with periodic or Dirichlet (simple) boundary conditions. We use a hidden landscape function $u$, defined as the solution of an inhomogeneous…

Mathematical Physics · Physics 2021-05-12 Wei Wang , Shiwen Zhang

We develop a general formalism for the magnetic oscillations (MO) in two dimensional (2D) systems. We consider general 2D Landau levels, which may depend on other variable or indices, besides the perpendicular magnetic field. In the ground…

Materials Science · Physics 2021-07-13 Federico Escudero , Juan Sebastián Ardenghi , Paula Jasen

In this paper we study the dispersive properties of a two dimensional massless Dirac equation perturbed by an Aharonov--Bohm magnetic field. Our main results will be a family of pointwise decay estimates and a full range family Strichartz…

Analysis of PDEs · Mathematics 2025-04-08 Federico Cacciafesta , Piero D'Ancona , Zhiqing Yin , Junyong Zhang

We show that a magnetic field perpendicular to an AlGaAs/GaAs coupled quantum well efficiently traps dipolar excitons and leads to the stabilization of the excitonic formation and confinement in the illumination area. Hereby, the density of…

Mesoscale and Nanoscale Physics · Physics 2011-02-17 K. Kowalik-Seidl , X. P. Vögele , F. Seilmeier , D. Schuh , W. Wegscheider , A. W. Holleitner , J. P. Kotthaus

Superfluidity in the quasi-two-dimensional (2D) system of spatially indirect magnetoexcitons in coupled quantum wells (CQW) and unbalanced two-layer electron system in high magnetic field $H$ is considered in the presence of a random field.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Oleg L. Berman , Yurii E. Lozovik , David W. Snoke , Rob D. Coalson

In this paper, we prove that Kato smoothing effects for magnetic Schr\"odinger operators can yield the endpoint Strichartz estimates for linear wave equation with magnetic potential on two dimensional hyperbolic spaces. This result serves…

Analysis of PDEs · Mathematics 2018-03-16 Ze Li

It is shown that in the case of free electron in a spatially periodic magnetic field the concept of magnetic translations operators is still valid and, moreover, these operators can be defined in the same way as for a Bloch electron in a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Wojciech Florek

This paper is a follow-up of our earlier work [11] where a uniform exponential Anderson localization was proved for a class of deterministic (including quasi-periodic) Hamiltonians with the help of a variant of the KAM…

Mathematical Physics · Physics 2022-11-29 Victor Chulaevsky

We prove magnetic interpolation inequalities and Keller-Lieb-Thir-ring estimates for the principal eigenvalue of magnetic Schr{\"o}dinger operators. We establish explicit upper and lower bounds for the best constants and show by numerical…

Analysis of PDEs · Mathematics 2018-05-09 Jean Dolbeault , Maria J. Esteban , Ari Laptev , Michael Loss

We introduce a numerical method to obtain approximate eigenvalues for some problems of Sturm-Liouville type. As an application, we consider an infinite square well in one dimension in which the mass is a function of the position. Two…

Quantum Physics · Physics 2014-02-24 Juan Jose Alvarez , Manuel Gadella , Luis Pedro Lara

We study resonances for the semiclassical magnetic Laplacian in the full plane with a compactly supported magnetic field in the framework of semiclassical complex scaling and black box scattering theory. Assuming that the magnetic field is…

Mathematical Physics · Physics 2026-04-21 Pavel Exner , Ayman Kachmar

The concept of the electron localization function (ELF) is extended to two-dimensional (2D) electron systems. We show that the topological properties of the ELF in 2D are considerably simpler than in molecules studied previously. We compute…

Strongly Correlated Electrons · Physics 2008-05-08 E. Rasanen , A. Castro , E. K. U. Gross
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