Nonequilibrium gas-liquid transition in the driven-dissipative photonic lattice
Journal Article
·
· Physical Review A
- ETH Zurich (Switzerland). Inst. for Theoretical Physics; DOE/OSTI
- ETH Zurich (Switzerland). Inst. for Theoretical Physics
- Princeton Univ., NJ (United States)
In this work, we study the nonequilibrium steady state of the driven-dissipative Bose-Hubbard model with Kerr nonlinearity. Employing a mean-field decoupling for the intercavity hopping J, we find that the steep crossover between low and high photon-density states inherited from the single cavity transforms into a gas–liquid bistability at large cavity-coupling J. We formulate a van der Waals–like gas–liquid phenomenology for this nonequilibrium setting and determine the relevant phase diagrams, including a new type of diagram where a lobe-shaped boundary separates smooth crossovers from sharp, hysteretic transitions. Calculating quantum trajectories for a one-dimensional system, we provide insights into the microscopic origin of the bistability.
- Research Organization:
- Princeton Univ., NJ (United States)
- Sponsoring Organization:
- Swiss National Science Foundation; USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
- Grant/Contract Number:
- SC0016011
- OSTI ID:
- 1540660
- Alternate ID(s):
- OSTI ID: 1398162
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 4 Vol. 96; ISSN 2469-9926
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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