COMPOSITE-FERMION DESCRIPTION OF CORRELATED ELECTRONS IN QUANTUM DOTS - LOW-ZEEMAN-ENERGY LIMIT

被引:24
作者
KAMILLA, RK
JAIN, JK
机构
[1] Department of Physics, State University of New York at Stony Brook, Stony Brook
来源
PHYSICAL REVIEW B | 1995年 / 52卷 / 04期
关键词
D O I
10.1103/PhysRevB.52.2798
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We study the applicability of composite-fermion theory to electrons in two-dimensional parabolically confined quantum dots in a strong perpendicular magnetic field in the limit of low Zeeman energy. The noninteracting composite fermion spectrum correctly specifies the primary features of this system. Additional features are relatively small, indicating that the residual interaction between the composite fermions is weak.
引用
收藏
页码:2798 / 2804
页数:7
相关论文
共 49 条
[21]   COMPOSITE-FERMION APPROACH FOR THE FRACTIONAL QUANTUM HALL-EFFECT [J].
JAIN, JK .
PHYSICAL REVIEW LETTERS, 1989, 63 (02) :199-202
[22]   COMPOSITE FERMIONS IN QUANTUM DOTS [J].
JAIN, JK ;
KAWAMURA, T .
EUROPHYSICS LETTERS, 1995, 29 (04) :321-326
[23]   THEORY OF THE FRACTIONAL QUANTUM HALL-EFFECT [J].
JAIN, JK .
PHYSICAL REVIEW B, 1990, 41 (11) :7653-7665
[24]   MICROSCOPIC THEORY OF THE FRACTIONAL QUANTUM HALL-EFFECT [J].
JAIN, JK .
ADVANCES IN PHYSICS, 1992, 41 (02) :105-146
[25]   ELECTRONS IN QUANTUM DOTS - A COMPARISON OF INTERACTION ENERGIES [J].
JOHNSON, BL ;
KIRCZENOW, G .
PHYSICAL REVIEW B, 1993, 47 (16) :10563-10566
[26]   THE SINGLE-ELECTRON TRANSISTOR [J].
KASTNER, MA .
REVIEWS OF MODERN PHYSICS, 1992, 64 (03) :849-858
[27]   EXCHANGE EFFECTS IN AN ARTIFICIAL ATOM AT HIGH MAGNETIC-FIELDS [J].
KLEIN, O ;
CHAMON, CD ;
TANG, D ;
ABUSCHMAGDER, DM ;
MEIRAV, U ;
WEN, XG ;
KASTNER, MA ;
WIND, SJ .
PHYSICAL REVIEW LETTERS, 1995, 74 (05) :785-788
[28]   GROUND-STATE ENERGY OF 2 DIMENSIONAL ELECTRONS IN STRONG MAGNETIC-FIELDS - SMALL CLUSTERS IN FRACTIONAL OCCUPATIONS [J].
LAI, W ;
YU, K ;
SU, Z ;
YU, L .
SOLID STATE COMMUNICATIONS, 1984, 52 (03) :339-342
[29]  
LAUGHLIN RB, 1990, QUANTUM HALL EFFECT
[30]   QUANTUM DOTS IN A MAGNETIC-FIELD - ROLE OF ELECTRON-ELECTRON INTERACTIONS [J].
MAKSYM, PA ;
CHAKRABORTY, T .
PHYSICAL REVIEW LETTERS, 1990, 65 (01) :108-111