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Related papers: Interference-induced magnetoresistance in HgTe qua…

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The third-order anomalous Hall effect (TOAHE) driven by Berry connection polarizability in Dirac materials offers a promising avenue for exploring quantum geometric phenomena. We investigate the role of impurity scattering on TOAHE using…

Mesoscale and Nanoscale Physics · Physics 2025-06-06 Chanchal K. Barman , Arghya Chattopadhyay , Surajit Sarkar , Jian-Xin Zhu , Snehasish Nandy

Quantum corrections to charge transport can give rise to an oscillatory magnetoconductance, typically observed in mesoscopic samples with a length shorter than or comparable with the phase coherence length. Here, we report the observation…

Mesoscale and Nanoscale Physics · Physics 2017-03-01 C. W. Rischau , S. Wiedmann , G. Seyfarth , D. LeBoeuf , K. Behnia , B. Fauqué

We propose an analytical approach to high-harmonic generation (HHG) for nonperturbative low-frequency and high-intensity fields based on the (Jeffreys-)Wentzel-Kramers-Brillouin (WKB) approximation. By properly taking into account Stokes…

Strongly Correlated Electrons · Physics 2022-01-05 Hidetoshi Taya , Masaru Hongo , Tatsuhiko N. Ikeda

Magnetoresistance results are presented for p-SiGe samples on the metallic side of the B=0 metal-insulator transition. The results cannot be understood within the framework of standard theories for quantum corrections of a weakly…

Strongly Correlated Electrons · Physics 2007-05-23 P. T. Coleridge , A. S. Sachrajda , P. Zawadzki

We study the quantum interference effects induced by the Aharonov-Casher phase in a ring structure in a two-dimensional heavy hole (HH) system with spin-orbit interaction realizable in narrow asymmetric quantum wells. The influence of the…

Mesoscale and Nanoscale Physics · Physics 2011-11-09 Alexey A. Kovalev , Mario F. Borunda , T. Jungwirth , L. W. Molenkamp , Jairo Sinova

We analyze the origin of the parabolic background of magnetoresistance oscillations measured in finite-width superconducting mesoscopic rings with input and output stubs and in patterned films. The transmission model explaining the…

Superconductivity · Physics 2023-05-24 G. P. Papari , V. M. Fomin

We report on a theoretical insight about the microwave-induced resistance oscillations and zero resistance states when dealing with p-type semiconductors and holes instead of electrons. We consider a high-mobility two-dimensional hole gas…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Jesús Iñarrea , Gloria Platero

Graphene matter in a strong magnetic field, realizing one-dimensional quantum Hall channels, provides a unique platform for studying electron interference. Here, using the Landauer-B\"uttiker formalism along with the tight-binding model, we…

Mesoscale and Nanoscale Physics · Physics 2022-05-26 M. Mirzakhani , N. Myoung , F. M. Peeters , H. C. Park

The recently synthesized silicene as well as theoretically discussed germanene are examples of buckled honeycomb structures. The buckled structures allow one to manipulate asymmetry between two underlying sublattices of honeycomb…

Materials Science · Physics 2014-05-28 Shin-Ming Huang , Shi-Ting Lee , Chung-Yu Mou

We show that burying of the Dirac point in semiconductor-based quantum-spin-Hall systems can generate unexpected robustness of edge states to magnetic fields. A detailed ${\bf k\cdot p}$ band-structure analysis reveals that InAs/GaSb and…

Mesoscale and Nanoscale Physics · Physics 2018-11-21 Rafal Skolasinski , Dmitry I. Pikulin , Jason Alicea , Michael Wimmer

We study the transport of the fermions with a small mass in the presence of Coulomb impurities, which could be realized in slightly distorted Dirac semimetals. Using the semiclassical Boltzmann equation, we derive the relaxation times for…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 Aya Kagimura , Tetsuya Onogi

We analyze the magnetoconductance of two-dimensional electron and hole gases (2DEGs) subject to a parallel magnetic field. It is shown that, for confining potential wells which are symmetric with respect to spatial inversion, a…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Julia S. Meyer , Alexander Altland , B. L. Altshuler

We calculate the oscillations of the DC conductance across a mesoscopic ring, simultaneously tuned by applied magnetic and electric fields orthogonal to the ring. The oscillations depend on the Aharonov-Bohm flux and of the spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. Capozza , D. Giuliano , P. Lucignano , A. Tagliacozzo

Using analytical formulas as well as a finite-difference scheme, we investigate the magnetic field dependence of the energy spectra and magnetic edge states of HgTe/CdTe-based quantum wells in the presence of perpendicular magnetic fields…

Mesoscale and Nanoscale Physics · Physics 2012-09-07 Benedikt Scharf , Alex Matos-Abiague , Jaroslav Fabian

We study the effects of interference on the quenching dynamics of a one-dimensional spin 1/2 $XY$ model in the presence of a transverse field ($h(t)$) which varies sinusoidally with time as $h = h_0\cos{\omega t}$, with $|t| \leq t_f =…

Statistical Mechanics · Physics 2009-05-25 Victor Mukherjee , Amit Dutta

We present the theory of the inplane magnetoresistance in two-dimensional massless Dirac fermion systems including the Zeeman splitting and the electron-electron interaction effect on the Landau level broadening within a random phase…

Mesoscale and Nanoscale Physics · Physics 2010-11-23 Takao Morinari , Takami Tohyama

The magnetoresistance (MR) for relativistic electrons, i.e., the Dirac electrons in solids, is investigated on the basis of the Boltzmann's theory. The new formula of MR so obtaiend includes a relativistic correction, which has not appeared…

Materials Science · Physics 2017-10-19 Mitsuaki Owada , Yuki Fuseya

We report transport measurements in HgTe-based quantum wells with well width of 8 nm, corresponding to quantum spin Hall state, subject to in-plane magnetic field. In the absence of the magnetic field the local and nonlocal resistances…

Mesoscale and Nanoscale Physics · Physics 2013-11-27 G. M. Gusev , E. B. Olshanetsky , Z. D. Kvon , O. E. Raichev , N. N. Mikhailov , S. A. Dvoretsky

We show that magnetoresistance of Bernal-stacked graphite (with the magnetic field ${\bf B}$ parallel to the c-axis and the current in the ab plane) scales linearly with the magnetic field over an interval of classically weak fields. The…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Hridis K. Pal , Dmitrii L. Maslov

We study the orbital Hall response in buckled two-dimensional Dirac materials using a unified framework that includes an antiferromagnetic exchange field, a perpendicular electric field, and intrinsic spin-orbit coupling. We show that the…

Mesoscale and Nanoscale Physics · Physics 2026-05-26 Madiha Zia , Muzamil Shah , Kashif Sabeeh , Gao Xianlong , Reza Asgari
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