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Title: Domain Textures in the Fractional Quantum Hall Effect

Journal Article · · Physical Review Letters
ORCiD logo [1]; ORCiD logo [2];  [3];  [4];  [4];  [5]; ORCiD logo [6]
  1. Columbia Univ., New York, NY (United States); OSTI
  2. University of Münster (Germany)
  3. Nanjing Univ. (China)
  4. Princeton Univ., NJ (United States)
  5. Purdue Univ., West Lafayette, IN (United States); Purdue Univ., West Lafayette, IN (United States). Microsoft Quantum Lab Purdue
  6. Columbia Univ., New York, NY (United States)

Impacts of domain textures on low-lying neutral excitations in the bulk of fractional quantum Hall effect (FQHE) systems are probed by resonant inelastic light scattering. We demonstrate that large domains of quantum fluids support long-wavelength neutral collective excitations with well-defined wave vector (momentum) dispersion that could be interpreted by theories for uniform phases. Access to dispersive low-lying neutral collective modes in large domains of FQHE fluids such as long wavelength magnetorotons at filling factor v=1/3 offer significant experimental access to strong electron correlation physics in the FQHE.

Research Organization:
Purdue Univ., West Lafayette, IN (United States)
Sponsoring Organization:
USDOE Office of Science (SC); National Science Foundation (NSF); National Natural Science Foundation of China (NSFC); Fundamental Research Funds for the Central Universities; Gordon and Betty Moore Foundation
Grant/Contract Number:
SC0020138
OSTI ID:
1980252
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 1 Vol. 128; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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