Mean field study of 2D quasiparticle condensate formation in presence of strong decay

N.A. Asriyan; A.A. Elistratov; Yu. E. Lozovik

doi:10.22331/q-2023-10-16-1144

Mean field study of 2D quasiparticle condensate formation in presence of strong decay

N.A. Asriyan¹, A.A. Elistratov¹, and Yu. E. Lozovik^2,3

¹N.L. Dukhov Research Institute of Automatics (VNIIA), Moscow 127030, Russia
²Institute for Spectroscopy RAS, Troitsk 108840, Moscow, Russia
³Moscow Institute of Electronics and Mathematics, National Research University Higher School of Economics, 101000 Moscow, Russia

Published:	2023-10-16, volume 7, page 1144
Eprint:	arXiv:2209.09710v2
Doi:	https://doi.org/10.22331/q-2023-10-16-1144
Citation:	Quantum 7, 1144 (2023).

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Abstract

Bose-condensation in a system of 2D quasiparticles is considered in the scope of a microscopic model. Mean-field dynamical equations are derived with the help of the Schwinger-Keldysh formalism and a simple model is proposed which allows to describe key features of condensate formation in systems with various quasiparticle decay rates. By analysing stationary solutions of this equation, we obtain the phase diagram of quasiparticle gas, finding a bistability region in the parameter space of the system. Finally, as an application of our theory, we study the phase diagram of a 2D exciton-polariton system in CdTe microcavity.

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► BibTeX data

@article{Asriyan2023meanfieldstudyofd,
  doi = {10.22331/q-2023-10-16-1144},
  url = {https://doi.org/10.22331/q-2023-10-16-1144},
  title = {Mean field study of 2{D} quasiparticle condensate formation in presence of strong decay},
  author = {Asriyan, N.A. and Elistratov, A.A. and Lozovik, Yu. E.},
  journal = {{Quantum}},
  issn = {2521-327X},
  publisher = {{Verein zur F{\"{o}}rderung des Open Access Publizierens in den Quantenwissenschaften}},
  volume = {7},
  pages = {1144},
  month = oct,
  year = {2023}
}

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Cited by

[1] N. V. Kuznetsova, D. V. Makarov, N. A. Asriyan, A. A. Elistratov, and Yu. E. Lozovik, "Spatial Coherence of Exciton–Polariton Bose–Einstein Condensates", Bulletin of the Russian Academy of Sciences: Physics 88 6, 847 (2024).

[2] Natalia Kuznetsova, Denis Makarov, Norayr Armenovich Asriyan, and Andrei A. Elistratov, "Phase alignment in a lattice of exciton-polaritonic Bose-Einstein condensates", (2025).

[3] Natalia Kuznetsova, Denis Makarov, Norayr Armenovich Asriyan, and Andrei A. Elistratov, "Phase alignment in a lattice of exciton-polaritonic Bose-Einstein condensates", (2025).

[4] N.V. Kuznetsova, D.V. Makarov, N.A. Asriyan, and A.A. Elistratov, "Phase alignment in a lattice of exciton-polaritonic Bose-Einstein condensates", Physics Letters A 568, 131221 (2026).

[5] N. V. Kuznetsova, D. V. Makarov, N. A. Asriyan, A. A. Elistratov, and Yu. E. Lozovik, "Spatial coherence of exciton-polaritoniс Bose‒Einstein condensates", Izvestiâ Akademii nauk SSSR. Seriâ fizičeskaâ 88 6, 889 (2024).

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