Optical Emission Spectroscopy Study of Competing Phases of Electrons in the Second Landau Level

Optical Emission Spectroscopy Study of Competing Phases of Electrons in the Second Landau Level

Quantum phases of electrons in the filling factor range 2≤ν≤3 are probed by the weak optical emission from the partially populated second Landau level and spin wave measurements. Observations of optical emission include a multiplet of sharp peaks that exhibit a strong filling factor dependence. Spin...

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Veröffentlicht in:Physical review letters 2016-01, Vol.116 (1), p.016801-016801, Article 016801
Hauptverfasser: Levy, A L, Wurstbauer, U, Kuznetsova, Y Y, Pinczuk, A, Pfeiffer, L N, West, K W, Manfra, M J, Gardner, G C, Watson, J D
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Sprache:eng
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Competition
Emission
Invariance
Links
Optical emission spectroscopy
Phases
Rotational
Spin waves
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container_issue 1
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container_title Physical review letters
container_volume 116
creator Levy, A L
Wurstbauer, U
Kuznetsova, Y Y
Pinczuk, A
Pfeiffer, L N
West, K W
Manfra, M J
Gardner, G C
Watson, J D
description Quantum phases of electrons in the filling factor range 2≤ν≤3 are probed by the weak optical emission from the partially populated second Landau level and spin wave measurements. Observations of optical emission include a multiplet of sharp peaks that exhibit a strong filling factor dependence. Spin wave measurements by resonant inelastic light scattering probe breaking of spin rotational invariance and are used to link this optical emission with collective phases of electrons. A remarkably rapid interplay between emission peak intensities manifests phase competition in the second Landau level.
doi_str_mv 10.1103/PhysRevLett.116.016801
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subjects Competition
Emission
Invariance
Links
Optical emission spectroscopy
Phases
Rotational
Spin waves
title Optical Emission Spectroscopy Study of Competing Phases of Electrons in the Second Landau Level
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