Ferrier, A;
Zamora, A;
Dagvadorj, G;
Szymańska, MH;
(2022)
Searching for the Kardar-Parisi-Zhang phase in microcavity polaritons.
Physical Review B
, 105
(20)
, Article 205301. 10.1103/physrevb.105.205301.
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Abstract
Recent approximate analytical work has suggested that, at certain values of the external pump, the optical parametric oscillator (OPO) regime of microcavity polaritons may provide a long sought realisation of Kardar-Parisi-Zhang (KPZ) physics in 2D. Here, by solving the full microscopic model numerically using the truncated Wigner method, we prove that this predicted KPZ phase for OPO is robust against the appearance of vortices or other effects. For those pump strengths, spatial correlations in the direction perpendicular to the pump, and the distribution of phase fluctuations, match closely to the forms characteristic of the KPZ universality. This strongly indicates the viability of observing KPZ behaviour in future polariton OPO experiments.
| Type: | Article |
|---|---|
| Title: | Searching for the Kardar-Parisi-Zhang phase in microcavity polaritons |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/physrevb.105.205301 |
| Publisher version: | https://doi.org/10.1103/physrevb.105.205301 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | cond-mat.quant-gas, cond-mat.quant-gas |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy UCL > Provost and Vice Provost Offices > UCL BEAMS UCL |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10148359 |
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