Non-equilibrium Bose–Einstein condensation in photonic systems

J Bloch, I Carusotto, M Wouters - Nature Reviews Physics, 2022 - nature.com
Abstract The study of Bose–Einstein condensation effects in photonic systems has revealed
a rich phenomenology related to spontaneous coherence generation in driven-dissipative …

Driven-dissipative non-equilibrium Bose–Einstein condensation of less than ten photons

BT Walker, LC Flatten, HJ Hesten, F Mintert, D Hunger… - Nature Physics, 2018 - nature.com
Abstract In a Bose–Einstein condensate, bosons condense in the lowest-energy mode
available and exhibit high coherence. Quantum condensation is inherently a multimode …

Controlling nonequilibrium Bose-Einstein condensation with engineered environments

F Petiziol, A Eckardt - Physical Review A, 2024 - APS
Out of thermal equilibrium, bosonic quantum systems can undergo Bose condensation away
from the ground state, featuring a macroscopic occupation of an excited state or even of …

Bose–Einstein condensation of light in a semiconductor quantum well microcavity

RC Schofield, M Fu, E Clarke, I Farrer, A Trapalis… - Nature …, 2024 - nature.com
When particles with integer spin accumulate at low temperature and high density, they
undergo Bose–Einstein condensation (BEC). Atoms, magnons, solid-state excitons, surface …

Sub-picosecond thermalization dynamics in condensation of strongly coupled lattice plasmons

AI Väkeväinen, AJ Moilanen, M Nečada… - Nature …, 2020 - nature.com
Bosonic condensates offer exciting prospects for studies of non-equilibrium quantum
dynamics. Understanding the dynamics is particularly challenging in the sub-picosecond …

Adaptive numerical solution of Kadanoff-Baym equations

F Meirinhos, M Kajan, J Kroha, T Bode - SciPost Physics Core, 2022 - scipost.org
A time-step** scheme with adaptivity in both the step size and the integration order is
presented in the context of non-equilibrium dynamics described via Kadanoff-Baym …

Spontaneous coherence in spatially extended photonic systems: Non-Equilibrium Bose-Einstein condensation

J Bloch, I Carusotto, M Wouters - arxiv preprint arxiv:2106.11137, 2021 - arxiv.org
In this review, we give an interdisciplinary overview of Bose-Einstein condensation
phenomena in photonic systems. We cover a wide range of systems, from lasers to photon …

Breakdown of Temporal Coherence in Photon Condensates

Y Tang, HS Dhar, RF Oulton, RA Nyman, F Mintert - Physical Review Letters, 2024 - APS
The temporal coherence of an ideal Bose gas increases as the system approaches the Bose-
Einstein condensation threshold from below, with coherence time diverging at the critical …

Organic polariton lasing and the weak to strong coupling crossover

A Strashko, P Kirton, J Keeling - Physical Review Letters, 2018 - APS
Following experimental realizations of room temperature polariton lasing with organic
molecules, we present a microscopic model that allows us to explore the crossover from …

Non-Markovian dynamics of open quantum systems via auxiliary particles with exact operator constraint

T Bode, M Kajan, F Meirinhos, J Kroha - Physical Review Research, 2024 - APS
We introduce an auxiliary-particle field theory to treat the non-Markovian dynamics of driven-
dissipative quantum systems of the Jaynes-Cummings type. It assigns an individual …