Long-range order in a high-density electron-hole system at room temperature during superradiant phase transition

Peter P. Vasil'Ev; Vojtech Olle; Richard V. Penty; Ian H. White

doi:10.1209/0295-5075/104/40003

Long-range order in a high-density electron-hole system at room temperature during superradiant phase transition

Peter P. Vasil'Ev, Vojtech Olle, Richard V. Penty, Ian H. White

Vice Chancellor's Office

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Abstract

We have experimentally investigated the formation of off-diagonal long-range order and non-equilibrium BEC-like condensation in GaAs/AlGaAs heterostructures during superradiant (SR) emission at room temperature. The conclusive evidence of the establishment of phase coherence over a macroscopic range during the superradiant quantum phase transition is reported. The first-order spatial correlation function of the e-h system is determined by evaluating interference patterns of SR emission using Young's double slit.

Original language	English
Article number	40003
Journal	EPL
Volume	104
Issue number	4
DOIs	https://doi.org/10.1209/0295-5075/104/40003
Publication status	Published - 16 Dec 2013

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "We have experimentally investigated the formation of off-diagonal long-range order and non-equilibrium BEC-like condensation in GaAs/AlGaAs heterostructures during superradiant (SR) emission at room temperature. The conclusive evidence of the establishment of phase coherence over a macroscopic range during the superradiant quantum phase transition is reported. The first-order spatial correlation function of the e-h system is determined by evaluating interference patterns of SR emission using Young's double slit.",

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AU - Vasil'Ev, Peter P.

AU - Olle, Vojtech

AU - Penty, Richard V.

AU - White, Ian H.

PY - 2013/12/16

Y1 - 2013/12/16

N2 - We have experimentally investigated the formation of off-diagonal long-range order and non-equilibrium BEC-like condensation in GaAs/AlGaAs heterostructures during superradiant (SR) emission at room temperature. The conclusive evidence of the establishment of phase coherence over a macroscopic range during the superradiant quantum phase transition is reported. The first-order spatial correlation function of the e-h system is determined by evaluating interference patterns of SR emission using Young's double slit.

AB - We have experimentally investigated the formation of off-diagonal long-range order and non-equilibrium BEC-like condensation in GaAs/AlGaAs heterostructures during superradiant (SR) emission at room temperature. The conclusive evidence of the establishment of phase coherence over a macroscopic range during the superradiant quantum phase transition is reported. The first-order spatial correlation function of the e-h system is determined by evaluating interference patterns of SR emission using Young's double slit.

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Long-range order in a high-density electron-hole system at room temperature during superradiant phase transition

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