Analysis of the exciton-exciton interaction in semiconductor quantum wells

Abstract

The exciton-exciton interaction is investigated for quasi-two-dimensional quantum structures. A bosonization scheme is applied including the full spin structure. For generating the effective interaction potentials, the Hartree-Fock and Heitler-London approaches are improved by a full two-exciton calculation which includes the van der Waals effect. With these potentials the biexciton formation in bilayer systems is investigated. For coupled quantum wells the two-body scattering matrix is calculated and employed to give a modified relation between exciton density and blue shift. Such a relation is of central importance for gauging exciton densities in experiments which pave the way toward Bose-Einstein condensation of excitons.

References in corpus (4)

• Trapping of Cold Excitons with Laser Light
• Exciton and biexciton energies in bilayer systems
• Pattern formation of indirect excitons in coupled quantum wells
• Dynamical T-matrix theory for high-density excitons in coupled quantum wells

Cited by in corpus (39)

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• Conditions for entangled photon emission from (111)B site-controlled Pyramidal quantum dots
• Microscopic origin of anomalous interlayer exciton transport in van der Waals heterostructures
• Stability of a Bose-Einstein condensate revisited for composite bosons
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• Exciton-exciton interactions in van der Waals heterobilayers
• Turbulence in a Bose-Einstein Condensate of Dipolar Excitons in Coupled Quantum Wells
• Roton-maxon spectrum and instability for weakly interacting dipolar excitons in a semiconductor layer
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• Theory of condensation of indirect excitons in a trap
• Forming and confining of dipolar excitons by quantizing magnetic fields
• Electrically tunable dipolar interactions between layer-hybridized excitons
• Attractive and repulsive dipolar interaction in bilayers of indirect excitons
• Pseudo diamagnetism of four component exciton condensates
• Confocal shift interferometry of coherent emission from trapped dipolar excitons
• Exciton-exciton and exciton-charge carrier interaction and the exciton collisional broadening in GaAs/AlGaAs quantum wells
• Model of fragmentation of the exciton inner ring in semiconductor quantum wells
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• Spontaneous formation and non-equilibrium dynamics of a soliton-shaped Bose-Einstein condensate in a trap
• Optical Signatures of Moiré Trapped Biexcitons
• Interlayer exciton polaritons in homobilayers of transition metal dichalcogenides
• Anisotropic superfluidity of two-dimensional excitons in a periodic potential
• Tunable strongly interacting dipolar excitons in hybrid perovskites
• Polaronic polariton quasiparticles in a dark excitonic medium
• Excitonic Tonks-Girardeau and charge-density wave phases in monolayer semiconductors
• Transition from spin-orbit to hyperfine dominated spin relaxation in a cold fluid of dipolar excitons
• Superfluidity of a rarefied gas of electron-hole pairs in a bilayer system
• Rydberg excitons and polaritons in monolayer transition metal dichalcogenides in a magnetic field
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• Variational and field-theoretical approach to exciton-exciton interactions and biexcitons in semiconductors
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