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

A. L. Levy; U. Wurstbauer; Y. Y. Kuznetsova; A. Pinczuk; L. N. Pfeiffer; K. W. West; M. J. Manfra; G. C. Gardner; J. D. Watson

doi:10.1103/PhysRevLett.116.016801

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

A. L. Levy, U. Wurstbauer, Y. Y. Kuznetsova, A. Pinczuk, L. N. Pfeiffer, K. W. West, M. J. Manfra, G. C. Gardner, J. D. Watson

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10 Scopus citations

Abstract

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.

Original language	English (US)
Article number	016801
Journal	Physical review letters
Volume	116
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.116.016801
State	Published - Jan 8 2016
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.116.016801

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title = "Optical Emission Spectroscopy Study of Competing Phases of Electrons in the Second Landau Level",

abstract = "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.",

author = "Levy, {A. L.} and U. Wurstbauer and Kuznetsova, {Y. Y.} and A. Pinczuk and Pfeiffer, {L. N.} and West, {K. W.} and Manfra, {M. J.} and Gardner, {G. C.} and Watson, {J. D.}",

note = "Publisher Copyright: {\textcopyright} 2016 American Physical Society.",

year = "2016",

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doi = "10.1103/PhysRevLett.116.016801",

language = "English (US)",

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T1 - Optical Emission Spectroscopy Study of Competing Phases of Electrons in the Second Landau Level

AU - Levy, A. L.

AU - Wurstbauer, U.

AU - Kuznetsova, Y. Y.

AU - Pinczuk, A.

AU - Pfeiffer, L. N.

AU - West, K. W.

AU - Manfra, M. J.

AU - Gardner, G. C.

AU - Watson, J. D.

PY - 2016/1/8

Y1 - 2016/1/8

N2 - 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.

AB - 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.

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JF - Physical review letters

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

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