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Using Corbino samples we have observed oscillatory conductance in a high-mobility two-dimensional electron system subjected to crossed microwave and magnetic fields. On the strongest of the oscillation minima the conductance is found to be…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. L. Yang , M. A. Zudov , T. A. Knuuttila , R. R. Du , L. N. Pfeiffer , K. W. West

High-mobility 2D electron systems in a perpendicular magnetic field exhibit zero resistance states (ZRS) when driven with microwave radiation. We study the nonequilibrium phase transition into this ZRS using phenomenological equations of…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. Alicea , L. Balents , M. P. A. Fisher , A. Paramekanti , L. Radzihovsky

Zero differential resistance state is found in response to direct current applied to 2D electron systems at strong magnetic field and low temperatures. Transition to the state is accompanied by sharp dip of negative differential resistance,…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 A. A. Bykov , Jing-qiao Zhang , Sergey Vitkalov , A. K. Kalagin , A. K. Bakarov

The infuence of the conduction-electron spin magnetization density, induced in a two-dimensional electron layer by a microwave electromagnetic field, on the rejection and transmission of the field is considered. Because of the induced…

Mesoscale and Nanoscale Physics · Physics 2016-06-29 Victor M. Edelstein

Motivated by a recent experiment, we study the microwave-induced photoconductivity of a two-dimensional electron gas arising from intra-Landau-level transitions within a model where the electrons are subject to a unidirectional periodic…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Christian Joas , Juergen Dietel , Felix von Oppen

The magnetoresistance oscillations, which occur in a two-dimensional electron system exposed to strong microwave radiation when the microwave frequency $\omega$ coincides with the n-th subharmonic of the cyclotron frequency $\omega_c$ have…

Mesoscale and Nanoscale Physics · Physics 2009-02-24 S. I. Dorozhkin , J. H. Smet , K. von Klitzing , L. N. Pfeiffer , K. W. West

Recently discovered modulations of Shubnikov-de Haas oscillations in microwave-irradiated two-dimensional electron systems are shown to arise from electron heating induced by the radiation. The electron temperature, obtained by balancing…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 X. L. Lei , S. Y. Liu

The effect of microwave radiation on low-temperature electron magnetotransport in a square antidot lattice with a period of d = 0.8 micrometer based on a GaAs quantum well with two occupied energy subbands E1 and E2 is investigated. It is…

Mesoscale and Nanoscale Physics · Physics 2021-01-07 A. A. Bykov , I. S. Strygin , A. V. Goran , E. E. Rodyakina , D. V. Nomokonov , I. V. Marchishin , S. Abedi , S. A. Vitkalov

We report an observation of magnetooscillations of the microwave power transmitted through the high mobility two-dimensional electron system hosted by a GaAs quantum well. The oscillations reflect an enhanced absorption of radiation at high…

Mesoscale and Nanoscale Physics · Physics 2021-02-10 M. L. Savchenko , A. Shuvaev , I. A. Dmitriev , A. A. Bykov , A. K. Bakarov , Z. D. Kvon , A. Pimenov

We address the origin of the residual resistance observed in microwave irradiated two-dimensional electron gases in a weak magnetic field. We study charge modulations arising from negative photo-conductivity and show that dissipative…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Rochus Klesse , Florian Merz

We present nonlocal resistance measurements in an ultra high mobility two dimensional electron gas. Our experiments show that even at weak magnetic fields classical guiding along edges leads to a strong non local resistance on macroscopic…

Mesoscale and Nanoscale Physics · Physics 2012-12-11 A. D. Chepelianskii , J. Laidet , I. Farrer , D. A. Ritchie , K. Kono , H. Bouchiat

We have studied the bichromatic photoresistance states of a two dimensional electron gas in the regime of microwave induced resistance oscillations. Zudov and coworkers found clear experimental evidence of zero-resistance states by…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Alejandro Kunold , Manuel Torres

We have studied the effect of an in-plane magnetic field on microwave-induced resistance oscillations in a high mobility two-dimensional electron system. We have found that the oscillation amplitude decays exponentially with an in-plane…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 A. Bogan , A. T. Hatke , S. A. Studenikin , A. Sachrajda , M. A. Zudov , L. N. Pfeiffer , K. W. West

Electromagnetic response of a finite-width two-dimensional electron stripe is theoretically studied. It is shown that retardation and radiative effects substantially modify the absorption spectrum of the system at microwave frequencies,…

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

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

We investigate a two-dimensional electron system (2DES) under microwave illumination at cyclotron resonance subharmonics. The 2DES carries sufficient direct current, $I$, that the differential resistivity oscillates as $I$ is swept. At…

Mesoscale and Nanoscale Physics · Physics 2015-06-09 S. Chakraborty , A. T. Hatke , L. W. Engel , J. D. Watson , M. J. Manfra

We analyze theoretically the oscillations that the magnetoresistivity of two-dimensional electron systems present when a high intensity direct current is applied. In the model presented here we suggest that a plasma wave is excited in the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jesus Inarrea

Magnetoresistance of two-dimensional electron systems with several occupied subbands oscillates owing to periodic modulation of the probability of intersubband transitions by the quantizing magnetic field. In addition to previous…

Mesoscale and Nanoscale Physics · Physics 2009-12-08 S. Wiedmann , N. C. Mamani , G. M. Gusev , O. E. Raichev , A. K. Bakarov , J. C. Portal

We have performed simultaneous measurements of microwave absorption/reflection and magneto-transport characteristics of a high mobility two-dimensional electrons in GaAs/AlGaAs heterostructure in regime of Microwave-Induced Resistance…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. A. Studenikin , M. Potemski , A. Sachrajda , M. Hilke , L. N. Pfeiffer , K. W. West

It is developed a many-electron approach to explain the recently observed conductivity magnetooscillations in very high mobility 2D electron systems under microwave irradiation. For the first time a theory takes into account the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 E. E. Takhtamirov , V. A. Volkov
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