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The observation of $1/B$-periodic behavior in Kondo insulators SmB$_6$ and YbB$_{12}$ challenges the conventional wisdom that quantum oscillations (QO) necessarily arise from Fermi surfaces in metals. We revisit recently proposed theories…

Strongly Correlated Electrons · Physics 2022-10-21 Animesh Panda , Sumilan Banerjee , Mohit Randeria

We study microwave photoresistivity oscillations in a high mobility two-dimensional electron system subject to strong dc electric fields. We find that near the second subharmonic of the cyclotron resonance the frequency of the resistivity…

Mesoscale and Nanoscale Physics · Physics 2008-12-14 A. T. Hatke , H. -S. Chiang , M. A. Zudov , L. N. Pfeiffer , K. W. West

Low-temperature electron magnetotransport in single GaAs quantum wells with two populated subbands is studied at large filling factors. Magneto-inter-subband (MIS) and acoustic-phonon induced oscillations of the dissipative resistance are…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 A. A. Bykov , A. V. Goran , S. A. Vitkalov

Magnetoresistance oscillations in semiconductor quantum wells, with the semi-parabolic plus semi-inverse squared potential, under the influence of intense electromagnetic waves (IEMW), is studied theoretically. Analytical expression for the…

Mesoscale and Nanoscale Physics · Physics 2024-12-23 Nguyen Thu Huong , Nguyen Quang Bau , Cao Thi Vi Ba , Bui Thi Dung , Nguyen Cong Toan , Anh-Tuan Tran

Recently discovered new structures and zero-resistance states outside the well-known oscillations are demonstrated to arise from multiphoton assisted processes, by a detailed analysis of microwave photoresistance in two-dimensional electron…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 X. L. Lei , S. Y. Liu

We report on the experimental observation of the quantum oscillations in microwave magnetoabsorption of a high-mobility two-dimensional electron gas induced by Landau quantization. Using original resonance-cavity technique, we observe two…

Mesoscale and Nanoscale Physics · Physics 2010-06-03 O. M. Fedorych , M. Potemski , S. A. Studenikin , J. A. Gupta , Z. R. Wasilewski , I. A. Dmitriev

The low-temperature($4.2<T<12.5$ K) magnetotransport ($B<2$ T) of two-dimensional electrons occupying two subbands (with energy $E_1$ and $E_2$) is investigated in GaAs single quantum well with AlAs/GaAs superlattice barriers. Two series of…

Mesoscale and Nanoscale Physics · Physics 2009-11-26 A. V. Goran , A. A. Bykov , A. I. Toropov , S. A. Vitkalov

The dc magnetoconductivity of the multisubband two-dimensional electron system formed on the liquid helium surface in the presence of resonant microwave irradiation is described, and a new mechanism of the negative linear response…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Yuriy P. Monarkha

Spin-momentum transfer between a spin-polarized current and a ferromagnetic layer can induce steady-state magnetization precession, and has recently been proposed as a working principle for ubiquitous radio-frequency devices for radar and…

We provide the ultimate explanation of one of the core features of microwave-induced magnetoresistance oscillations in high mobility two dimensional electron systems: the 1/4-cycle phase shift of minima. We start with the radiation-driven…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 Jesus Inarrea

We discuss possible origins of recently discovered microwave induced photoresistance oscillations in very-high-electron-mobility two-dimensional electron systems. We show that electrodynamic effects -- the radiative decay, plasma…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. A. Mikhailov

Oscillations of dissipative resistance of two-dimensional electrons in GaAs quantum wells are observed in response to an electric current I and a strong magnetic field applied perpendicular to the two-dimensional systems. Period of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Scott Dietrich , Sean Byrnes , Sergey Vitkalov , D. V. Dmitriev , A. A. Bykov

In the present paper we study magneto-intersubband oscillations (MISO) in HgTe/Hg$_{1-x}$Cd$_x$Te single quantum well with "inverted" and "normal" spectra and in conventional In$_{1-x}$Ga$_x$As/In$_{1-y}$Al$_y$As quantum wells with normal…

Quantum oscillations of nonlinear resistance are investigated in response to electric current and magnetic field applied perpendicular to single GaAs quantum wells with two populated subbands. At small magnetic fields current-induced…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Scott Dietrich , Sean Byrnes , Sergey Vitkalov , A. V. Goran , A. A. Bykov

We have measured the magneto-resistance of a two-dimensional electron gas (2DEG) under continuous microwave irradiation as a function of electron density and mobility tuned with a metallic top-gate. In the entire range of density and…

Strongly Correlated Electrons · Physics 2009-11-11 B. Simovic , C. Ellenberger , K. Ensslin , Wegscheider

We consider the effect of microwave radiation on the Hall resistivity in two-dimension electron systems. It is shown that the photon-assisted impurity scattering of electrons can result in oscillatory dependences of both dissipative and…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 V. Ryzhii

We have performed electrical transport measurements at low temperatures and high magnetic fields in Na$_{0.5}$CoO$_2$ single crystals. Shubnikov de Haas oscillations were observed for two frequencies F_1 150 and F_2 40 T corresponding…

Strongly Correlated Electrons · Physics 2007-05-23 L. Balicas , M. Abdel-Jawad , N. E. Hussey , F. C. Chou , P. A. Lee

Quantum materials harbor a cornucopia of exotic transport phenomena challenging our understanding of condensed matter. Among these, a giant, non-saturating linearmagnetoresistance (MR) has been reported in various systems, from Weyl…

Mesoscale and Nanoscale Physics · Physics 2022-01-26 Srijani Mallik , Gerbold C. Ménard , Guilhem Saiz , Alexandre Gloter , Nicolas Bergeal , Marc Gabay , Manuel Bibes

We demonstrate a strong correlation between the magnetoresistive and the concurrent microwave reflection from the microwave photo-excited GaAs/AlGaAs two-dimensional electron system (2DES). These correlations are followed as a function of…

Mesoscale and Nanoscale Physics · Physics 2013-11-14 Tianyu Ye , Ramesh Mani , Werner Wegscheider

Spin-torque and spin-Hall oscillators (SHOs) have emerged as promising candidates for building blocks in neuromorphic computing due to their ability to synchronize mutually, a process that can be mediated by propagating spin waves. We…

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