Dynamical Critical Exponents in Driven-Dissipative Quantum Systems

Physical Review Letters
P ComaronMarzena H Szymańska

Abstract

We study the phase ordering of parametrically and incoherently driven microcavity polaritons after an infinitely rapid quench across the critical region. We confirm that the system, despite its driven-dissipative nature, satisfies the dynamical scaling hypothesis for both driving schemes by exhibiting self-similar patterns for the two-point correlator at late times of the phase ordering. We show that polaritons are characterized by the dynamical critical exponent z≈2 with topological defects playing a fundamental role in the dynamics, giving logarithmic corrections both to the power-law decay of the number of vortices and to the associated growth of the characteristic length scale.

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Citations

Jun 13, 2020·Physical Review Letters·Kazuya FujimotoYuki Kawaguchi
Jun 21, 2020·Nature Communications·Aaro I VäkeväinenPäivi Törmä
Apr 3, 2019·Physical Review. E·Kangeun JeongSung Jong Lee
Jan 12, 2020·Nature Communications·Dario BallariniDaniele Sanvitto
Dec 5, 2020·Physical Review Letters·Vladimir N Gladilin, Michiel Wouters
Jan 16, 2021·Physical Review Letters·A ZamoraM H Szymanska
May 1, 2021·Scientific Reports·Joanna PietraszewiczEmilia Witkowska

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