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Electron-Hole Asymmetric Chiral Breakdown of Reentrant Quantum Hall States

Journal Article · · Physical Review Letters
 [1];  [2];  [3];  [4];  [5];  [6]
  1. Univ. of British Columbia, Vancouver, BC (Canada). Stewart Blusson Quantum Matter Inst. Dept. of Physics and Astronomy; Moscow Inst. of Physics and Technology (MIPT), Moscow (Russian Federation). Dept. of Radio Engineering and Cybernetics; DOE/OSTI
  2. Weizmann Inst. of Science, Rehovot (Israel). Dept. of Condensed Matter Physics
  3. Univ. of British Columbia, Vancouver, BC (Canada). Stewart Blusson Quantum Matter Inst. Dept. of Physics and Astronomy
  4. Purdue Univ., West Lafayette, IN (United States). Dept. of Physics and Astronomy. Station Q Purdue. Birck Nanotechnology Center
  5. Purdue Univ., West Lafayette, IN (United States). Birck Nanotechnology Center. School of Materials Engineering
  6. Purdue Univ., West Lafayette, IN (United States). Dept. of Physics and Astronomy. Station Q Purdue. Birck Nanotechnology Center. School of Electrical and Computer Engineering. School of Materials Engineering
+ Show Author Affiliations
Reentrant integer quantum Hall (RIQH) states are believed to be correlated electron solid phases, although their microscopic description remains unclear. As bias current increases, longitudinal and Hall resistivities measured for these states exhibit multiple sharp breakdown transitions, a signature unique to RIQH states. A comparison of RIQH breakdown characteristics at multiple voltage probes indicates that these signatures can be ascribed to a phase boundary between broken-down and unbroken regions, spreading chirally from source and drain contacts as a function of bias current and passing voltage probes one by one. The chiral sense of the spreading is not set by the chirality of the edge state itself, instead depending on electron- or holelike character of the RIQH state.
Research Organization:
Purdue Univ., West Lafayette, IN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0006671
OSTI ID:
1536436
Alternate ID(s):
OSTI ID: 1328642
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 16 Vol. 117; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Piezo-driven sample rotation system with ultra-low electron temperature text January 2019

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