MAGNETOOPTICAL EVIDENCE FOR FRACTIONAL QUANTUM HALL STATES DOWN TO FILLING FACTOR 1/9

被引：146

作者：

BUHMANN, H

JOSS, W

VONKLITZING, K

KUKUSHKIN, IV

MARTINEZ, G

PLAUT, AS

PLOOG, K

TIMOFEEV, VB

机构：

[1] CNRS,SERV NATL CHAMPS INTENSES,F-38042 GRENOBLE,FRANCE

[2] ACAD SCI USSR,INST SOLID STATE PHYS,CHERNOGOLOVKA 142432,USSR

[3] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 65卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.65.1056

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Discontinuities have been observed in the energy dependence on magnetic field of the luminescence line corresponding to 2D electron-hole recombination in GaAs/AlGaAs heterojunctions at filling factors=2/3, 1/3, 4/5, 3/5, 2/5, 1/5, 1/7, and 1/9. We associate these energy-position shifts with discontinuous behavior of the chemical potential due to condensation of the 2D electrons into an incompressible Fermi-liquid state, and thereby evaluate the energy gaps at fractional filling factors down to 1/9. © 1990 The American Physical Society.

引用

页码：1056 / 1059

页数：4

共 18 条

[1] ELECTRONIC-PROPERTIES OF TWO-DIMENSIONAL SYSTEMS
ANDO, T
FOWLER, AB
STERN, F
[J]. REVIEWS OF MODERN PHYSICS, 1982, 54 (02) : 437 - 672
[2] OBSERVATION OF A MAGNETICALLY INDUCED WIGNER SOLID
ANDREI, EY
DEVILLE, G
GLATTLI, DC
WILLIAMS, FIB
PARIS, E
ETIENNE, B
[J]. PHYSICAL REVIEW LETTERS, 1988, 60 (26) : 2765 - 2768
[3] ACTIVATION-ENERGIES AND LOCALIZATION IN THE FRACTIONAL QUANTUM HALL-EFFECT
BOEBINGER, GS
STORMER, HL
TSUI, DC
CHANG, AM
HWANG, JCM
CHO, AY
TU, CW
[J]. PHYSICAL REVIEW B, 1987, 36 (15): : 7919 - 7929
[4] Chakraborty T., 1988, FRACTIONAL QUANTUM H
[5] EXPERIMENTAL-DETERMINATION OF FRACTIONAL CHARGE E/Q FOR QUASIPARTICLE EXCITATIONS IN THE FRACTIONAL QUANTUM HALL-EFFECT
CLARK, RG
MALLETT, JR
HAYNES, SR
HARRIS, JJ
FOXON, CT
[J]. PHYSICAL REVIEW LETTERS, 1988, 60 (17) : 1747 - 1750
[6] EVIDENCE FOR THE FRACTIONAL QUANTUM HALL STATE AT V = 1/7
GOLDMAN, VJ
SHAYEGAN, M
TSUI, DC
[J]. PHYSICAL REVIEW LETTERS, 1988, 61 (07) : 881 - 884
[7] OPTICAL ANOMALIES OF THE TWO-DIMENSIONAL ELECTRON-GAS IN THE EXTREME MAGNETIC QUANTUM LIMIT
HEIMAN, D
GOLDBERG, BB
PINCZUK, A
TU, CW
GOSSARD, AC
ENGLISH, JH
[J]. PHYSICAL REVIEW LETTERS, 1988, 61 (05) : 605 - 608
[8] TRANSPORT ANOMALIES IN THE LOWEST LANDAU-LEVEL OF TWO-DIMENSIONAL ELECTRONS AT HALF-FILLING
JIANG, HW
STORMER, HL
TSUI, DC
PFEIFFER, LN
WEST, KW
[J]. PHYSICAL REVIEW B, 1989, 40 (17): : 12013 - 12016
[9] REDUCTION OF THE ELECTRON-DENSITY IN GAAS-ALXGA1-XAS SINGLE HETEROJUNCTIONS BY CONTINUOUS PHOTOEXCITATION
KUKUSHKIN, IV
VONKLITZING, K
PLOOG, K
KIRPICHEV, VE
SHEPEL, BN
[J]. PHYSICAL REVIEW B, 1989, 40 (06): : 4179 - 4182
[10] RADIATIVE RECOMBINATION OF TWO-DIMENSIONAL ELECTRONS IN ACCEPTOR DELTA-DOPED GAAS-ALXGA1-XAS SINGLE HETEROJUNCTIONS
KUKUSHKIN, IV
VONKLITZING, K
PLOOG, K
TIMOFEEV, VB
[J]. PHYSICAL REVIEW B, 1989, 40 (11): : 7788 - 7792

← 1 2 →