Spontaneous Coherence Effects in Quantum Dots and Quantum Wells Placed in Microcavities

The Bose-Einstein condensation temperature Tc for a system of coupled quantum dots in a microcavity was estimated in function of the confining potential steepness, the external magnetic field strength, and the barrier layer width for indirect excitons. The effect of the magnetic field on Tc was foun...

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Bibliographic Details
Main Authors: Kaputkina, N.E., Lozovik, Yu.E., Altaisky, M.V.
Format: Conference Proceeding
Language:English
Subjects:
Barrier layers
Confining
Field strength
Magnetic fields
Microcavities
Quantum dots
Quantum wells
Slopes
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Summary:The Bose-Einstein condensation temperature Tc for a system of coupled quantum dots in a microcavity was estimated in function of the confining potential steepness, the external magnetic field strength, and the barrier layer width for indirect excitons. The effect of the magnetic field on Tc was found to be nonmonotonic over a certain range of the control parameters. The reason is the presence of two competing mechanisms accompanying the increase of the magnetic field: (a) increase of the magnetoexciton effective mass and (b) increase of the effective confining potential steepness for quantum dots.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201610802031