Magnetic-field-induced excitonic instability in the 2D electron gas

Gerrit E.W. Bauer

doi:10.1016/0039-6028(92)90393-K

Magnetic-field-induced excitonic instability in the 2D electron gas

Gerrit E.W. Bauer

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Bound excitonic states of holes in modulation-doped quantum wells are predicted to unbind abruptly at a critical density, which depends heavily on an applied magnetic field. The effect should be observable in the magnetoluminescence of high-quality quantum wells in terms of a sudden blue shift and increase in oscillator strength at integer filling factors. The validity of the mean-field approximation is discussed.

Original language	English
Pages (from-to)	482-484
Number of pages	3
Journal	Surface Science
Volume	263
Issue number	1-3
DOIs	https://doi.org/10.1016/0039-6028(92)90393-K
Publication status	Published - 1992 Feb 19
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/0039-6028(92)90393-K

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title = "Magnetic-field-induced excitonic instability in the 2D electron gas",

abstract = "Bound excitonic states of holes in modulation-doped quantum wells are predicted to unbind abruptly at a critical density, which depends heavily on an applied magnetic field. The effect should be observable in the magnetoluminescence of high-quality quantum wells in terms of a sudden blue shift and increase in oscillator strength at integer filling factors. The validity of the mean-field approximation is discussed.",

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doi = "10.1016/0039-6028(92)90393-K",

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AU - Bauer, Gerrit E.W.

PY - 1992/2/19

Y1 - 1992/2/19

N2 - Bound excitonic states of holes in modulation-doped quantum wells are predicted to unbind abruptly at a critical density, which depends heavily on an applied magnetic field. The effect should be observable in the magnetoluminescence of high-quality quantum wells in terms of a sudden blue shift and increase in oscillator strength at integer filling factors. The validity of the mean-field approximation is discussed.

AB - Bound excitonic states of holes in modulation-doped quantum wells are predicted to unbind abruptly at a critical density, which depends heavily on an applied magnetic field. The effect should be observable in the magnetoluminescence of high-quality quantum wells in terms of a sudden blue shift and increase in oscillator strength at integer filling factors. The validity of the mean-field approximation is discussed.

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DO - 10.1016/0039-6028(92)90393-K

M3 - Article

AN - SCOPUS:0026818293

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SP - 482

EP - 484

JO - Surface Science

JF - Surface Science

IS - 1-3

ER -

Magnetic-field-induced excitonic instability in the 2D electron gas

Abstract

ASJC Scopus subject areas

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