Two-roton bound state in the fractional quantum Hall effect

被引:31
作者
Park, K [1 ]
Jain, JK [1 ]
机构
[1] Penn State Univ, Davey Lab 104, Dept Phys, University Pk, PA 16802 USA
基金
美国国家科学基金会;
关键词
D O I
10.1103/PhysRevLett.84.5576
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The true nature of the lowest-energy, long-wavelength neutral excitation of the fractional quantum Hall effect has been a long outstanding problem. In this Letter, we establish that it is a two-roton bound state.
引用
收藏
页码:5576 / 5579
页数:4
相关论文
共 32 条
[1]   MONTE-CARLO SIMULATION OF A MANY-FERMION STUDY [J].
CEPERLEY, D ;
CHESTER, GV ;
KALOS, MH .
PHYSICAL REVIEW B, 1977, 16 (07) :3081-3099
[2]   Resonant Raman scattering by elementary electronic excitations in semiconductor structures [J].
Das Sarma, S ;
Wang, DW .
PHYSICAL REVIEW LETTERS, 1999, 83 (04) :816-819
[3]  
Das Sarma S., 1997, PERSPECTIVES QUANTUM
[4]   SINGLE-PARTICLE RELAXATION-TIME VERSUS SCATTERING TIME IN AN IMPURE ELECTRON-GAS [J].
DASSARMA, S ;
STERN, F .
PHYSICAL REVIEW B, 1985, 32 (12) :8442-8444
[5]   Spin and charge density excitations and the collapse of the fractional quantum Hall state at nu=1/3 [J].
Davies, HDM ;
Harris, JC ;
Ryan, JF ;
Turberfield, AJ .
PHYSICAL REVIEW LETTERS, 1997, 78 (21) :4095-4098
[6]   BAND-STRUCTURE OF THE FRACTIONAL QUANTUM HALL-EFFECT [J].
DEV, G ;
JAIN, JK .
PHYSICAL REVIEW LETTERS, 1992, 69 (19) :2843-2846
[7]   VARIATIONAL QUANTUM MONTE-CARLO NONLOCAL PSEUDOPOTENTIAL APPROACH TO SOLIDS - FORMULATION AND APPLICATION TO DIAMOND, GRAPHITE, AND SILICON [J].
FAHY, S ;
WANG, XW ;
LOUIE, SG .
PHYSICAL REVIEW B, 1990, 42 (06) :3503-3522
[8]   COLLECTIVE-EXCITATION GAP IN THE FRACTIONAL QUANTUM HALL-EFFECT [J].
GIRVIN, SM ;
MACDONALD, AH ;
PLATZMAN, PM .
PHYSICAL REVIEW LETTERS, 1985, 54 (06) :581-583
[9]   MAGNETO-ROTON THEORY OF COLLECTIVE EXCITATIONS IN THE FRACTIONAL QUANTUM HALL-EFFECT [J].
GIRVIN, SM ;
MACDONALD, AH ;
PLATZMAN, PM .
PHYSICAL REVIEW B, 1986, 33 (04) :2481-2494