Domain Textures in the Fractional Quantum Hall Effect
Journal Article
·
· Physical Review Letters
- Columbia Univ., New York, NY (United States); OSTI
- University of Münster (Germany)
- Nanjing Univ. (China)
- Princeton Univ., NJ (United States)
- Purdue Univ., West Lafayette, IN (United States); Purdue Univ., West Lafayette, IN (United States). Microsoft Quantum Lab Purdue
- 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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