Skyrmion-hole excitations at v=1 studied by photoluminescence spectroscopy

被引：11

作者：

Davies, HDM

Harris, JC

Brockbank, RL

Ryan, JF

Turberfield, AJ

Simmons, MY

Ritchie, DA

机构：

[1] Univ Oxford, Clarendon Lab, Dept Phys, Oxford OX1 3PU, England

[2] Cavendish Lab, Cambridge CB3 0HE, England

来源：

PHYSICA B-CONDENSED MATTER | 1998年 / 249卷

关键词：

photoluminescence; skyrmions;

D O I：

10.1016/S0921-4526(98)00182-3

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We present measurements of photoluminescence from the incompressible two-dimensional electron system at filling factor v = 1. By varying the doping density, sample structure and angle between magnetic field and confinement plane we investigate the influence of electron-electron and electron-valence hole interactions on the photoluminescence spectrum. We find that a strong electron-valence hole interaction suppresses a characteristic discontinuity in the photoluminescence energy. In all samples studied the electron-valence hole interaction is strong enough to prevent observation of a theoretically predicted tilt-induced shrinkage of skyrmion-charged spin texture excitations. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：544 / 548

页数：5

共 10 条

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