English
Related papers

Related papers: Bloch-Lorentz magnetoresistance oscillations in de…

200 papers

Magneto-transport measurements of Shubnikov-de Haas (SdH) oscillations have been performed on two-dimensional electron gases (2DEGs) confined in CdTe and CdMnTe quantum wells. The quantum oscillations in CdMnTe, where the 2DEG interacts…

Mesoscale and Nanoscale Physics · Physics 2015-08-19 J. Kunc , B. A. Piot , D. K. Maude , M. Potemski , R. Grill , C. Betthausen , D. Weiss , V. Kolkovsky , G. Karczewski , T. Wojtowicz

We report magnetoresistance measurements on a two-dimensional electron gas (2DEG) made from a high mobility GaAs/AlGaAs heterostructure, where the externally applied magnetic field was expelled from regions of the semiconductor by means of…

We show in the case of a superconducting Nb ladder that a mesoscopic superconductor typically exhibits magnetoresistance oscillations whose amplitude and temperature dependence are different from those stemming from the Little-Parks effect.…

Superconductivity · Physics 2015-06-05 G. R. Berdiyorov , M. V. Milošević , M. L. Latimer , Z. L. Xiao , W. K. Kwok , F. M. Peeters

In various "strange" metals, electrons undergo Planckian dissipation, a strong and anomalous scattering that grows linearly with temperature, in contrast to the quadratic temperature dependence expected from the standard theory of metals.…

A semiclassical theory for the orbital magnetization due to adiabatic evolutions of Bloch electronic states is proposed. It renders a unified theory for the periodic-evolution pumped orbital magnetization and the orbital magnetoelectric…

Mesoscale and Nanoscale Physics · Physics 2021-03-24 Cong Xiao , Yafei Ren , Bangguo Xiong

The results of computer simulation of particle motion over the plane with randomly distributed scatters are presented. They are used to analyse the influence of scattering anisotropy on the negative magnetoresistance due to weak…

Condensed Matter · Physics 2007-05-23 A. V. Germanenko , V. A. Larionova , G. M. Minkov , S. A. Negashev

Artificial crystals such as moir\'e superlattices can have a real-space periodicity much larger than the underlying atomic scale. This facilitates the presence of Bloch oscillations in the presence of a static electric field. We demonstrate…

Mesoscale and Nanoscale Physics · Physics 2023-11-23 Christophe De Beule , E. J. Mele

There has been a long-standing debate on the coexistence between itinerant electrons and localized spins in the PdCrO$_2$ delafossite. By means of the charge self-consistent combination of density functional theory and dynamical mean-field…

Strongly Correlated Electrons · Physics 2018-08-21 Frank Lechermann

We report quantum oscillation data on the metallic triangular antiferromagnet PdCrO$_2$. We find that, to very high accuracy, the observed frequencies of PdCrO$_2$ can be reproduced by reconstruction of the (nonmagnetic) PdCoO$_2$ Fermi…

An electronic solid with itinerant carriers and localized magnetic moments represents a paradigmatic strongly correlated system. The electrical transport properties associated with the itinerant carriers, as they scatter off these local…

Strongly Correlated Electrons · Physics 2023-09-04 J. F. Mendez-Valderrama , Evyatar Tulipman , Elina Zhakina , Andrew P. Mackenzie , Erez Berg , Debanjan Chowdhury

The calculations of the inelastic spin wave scattering by flexure vibrations of the Bloch domain wall (Winters magnons) in thin magnetic films are presented. The approach is based on the interaction of the propagating spin waves with the…

Mesoscale and Nanoscale Physics · Physics 2019-04-02 N. N. Dadoenkova , Y. S. Dadoenkova , I. L. Lyubchanskii , M. Krawczyk , K. Y. Guslienko

We have investigated in frame of the quantum transport theory the magnetic quantum oscillations of the longitudinal magnetoresistance $\rho_{zz}$ in quasi two-dimensional metals for a magnetic field perpendicular to the layers. Giant…

Condensed Matter · Physics 2016-08-31 T. Champel , V. P. Mineev

The magnetic properties of the cobaltite {\BCAO}, a good realization of the quasi two-dimensional frustrated honeycomb-lattice system with strong planar anisotropy, have been reinvestigated by means of spherical neutron polarimetry with…

Materials Science · Physics 2018-01-23 L. P. Regnault , C. Boullier , J. E. Lorenzo

We have measured the magnetoresistance of a dc superconducting quantum interference device in the form of an interrupted mesoscopic normal-metal loop in contact with two superconducting electrodes. Below the transition temperature of the…

Superconductivity · Physics 2008-03-24 Jian Wei , Paul Cadden-Zimansky , Venkat Chandrasekhar

In a semiconductor superlattice with long scattering times, damping of Bloch oscillations due to scattering is so small that nonlinearities may compensate it and Bloch oscillations persist even in the hydrodynamic regime. To demonstrate…

Mesoscale and Nanoscale Physics · Physics 2012-05-08 L. L. Bonilla , M. Álvaro , M. Carretero

We study the quantum interference effect for the single ballistic Aharonov-Bohm billiard in the presence of a weak magnetic field B. The diagonal part of the wave-number averaged reflection coefficient $\delta {\cal R}_D$ is calculated by…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Shiro Kawabata , Katsuhiro Nakamura

We show that the linking of a semiclassical path of a charged particle with a knotted magnetic solenoid results in the Aharonov-Bohm effect. The phase shift in the wave function is proportional to the flux intersecting a certain connected…

High Energy Physics - Theory · Physics 2009-02-16 Roman V. Buniy , Thomas W. Kephart

The quantum oscillations of the magnetoresistance under ambient and high pressure have been studied for WTe$_2$ single crystals, in which extremely large magnetoresistance was discovered recently. By analyzing the Shubnikov-de Haas…

Materials Science · Physics 2015-08-05 P. L. Cai , J. Hu , L. P. He , J. Pan , X. C. Hong , Z. Zhang , J. Zhang , J. Wei , Z. Q. Mao , S. Y. Li

Motional narrowing implies narrowing induced by motion, for example, in nuclear resonance, the thermally induced random motion of the nuclei in an inhomogeneous environment leads to counter-intuitive narrowing of the resonance line.…

Mesoscale and Nanoscale Physics · Physics 2024-05-10 Garima Gupta , Kenji Watanabe , Takashi Taniguchi , Kausik Majumdar

We review various aspects of magnetoresistance in (quasi-)twodimensional systems subject to an in-plane magnetic field. Concentrating on single-particle effects, three mechanisms leading to magnetoresistance are discussed: the orbital…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Julia S. Meyer , Vladimir I. Fal'ko , B. L. Altshuler
‹ Prev 1 4 5 6 7 8 10 Next ›