Domain Textures in the Fractional Quantum Hall Effect

被引：4
作者：
Liu, Ziyu [1 ]
Wurstbauer, Ursula [2 ]
Du, Lingjie [3 ,4 ]
West, Ken W. [5 ]
Pfeiffer, Loren N. [5 ]
Manfra, Michael J. [6 ,7 ,8 ]
Pinczuk, Aron [1 ,9 ]
机构：
[1] Columbia Univ, Dept Phys, New York, NY 10027 USA
[2] Univ Munster, Inst Phys, Wilhelm Klemm Str 10, D-48149 Munster, Germany
[3] Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China
[4] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[5] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
[6] Purdue Univ, Sch Mat Engn, Dept Phys & Astron, W Lafayette, IN 47907 USA
[7] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA
[8] Purdue Univ, Microsoft Quantum Lab Purdue, W Lafayette, IN 47907 USA
[9] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA
来源：
PHYSICAL REVIEW LETTERS | 2022年 / 128卷 / 01期
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
COLLECTIVE EXCITATIONS; SCATTERING; STATES;
D O I：
10.1103/PhysRevLett.128.017401
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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.
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页数：6
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