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Theory of Zero-Resistance States Generated by Radiation in GaAs/AlGaAs
Department of Physics, University at Bu_alo, SUNY, Bu_alo, NY, USA
Research Division, National Center for University Entrance Examinations, Meguro-ku, Tokyo, Japan
Department of Physics, Faculty of Science, Tokyo University of Science, Shinjuku-ku, Tokyo, Japan
- 1 Department of Physics, University at Bu_alo, SUNY, Bu_alo, NY, USA
- 2 Research Division, National Center for University Entrance Examinations, Meguro-ku, Tokyo, Japan
- 3 Department of Physics, Faculty of Science, Tokyo University of Science, Shinjuku-ku, Tokyo, Japan
Journal of Modern Physics·Volume 03 (2012)·Pages 546–552·Published 17 July 2012·DOI10.4236/jmp.2012.37075
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Abstract
Mani observed zero-registance states similar to those quantum-Hall-effect states in GaAs/AlGaAs but without the Hall resistance plateaus upon the application of radiations [R. G. Mani, Physica E 22, 1 (2004)]. An interpretation is presented. The applied radiation excites “holes”. The condensed composite (c)-bosons formed in the excited channel create a superconducting state with an energy gap. The supercondensate suppresses the non-condensed c-bosons at the higher energy, but it cannot suppress the c-fermions in the base channel, and the small normal current accompanied by the Hall field yeilds a B -linear Hall resistivity.
KeywordsSuperconducting (Zero-Resistance) StatesComposite-Boson (Fermion)<i>B</i>-Linear Hall ResistivityPhonon (Fluxon) Exchange
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