Classical critical dynamics in quadratically driven Kerr resonators
| Autor: | Wouter Verstraelen, Michiel Wouters |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Physics
Quantum phase transition Quantum Physics Phase transition FOS: Physical sciences Renormalization group 01 natural sciences 010305 fluids & plasmas symbols.namesake Quantum mechanics 0103 physical sciences symbols Exponent Ising model Quantum Physics (quant-ph) 010306 general physics Hamiltonian (quantum mechanics) Critical exponent Scaling Optics (physics.optics) Physics - Optics |
| Zdroj: | Physical Review A. 101 |
| ISSN: | 2469-9934 2469-9926 |
| Popis: | Driven-dissipative Kerr lattices with two-photon driving are experimentally relevant systems known to exhibit a symmetry-breaking phase transition, which belongs to the universality class of the thermal Ising model for the parameter regime studied here. In this work, we perform finite-size scaling of this system as it is quenched to the transition, and the dynamical critical exponent is found to be compatible with z≈2.18, corresponding with metropolis dynamics in classical simulations. Furthermore, we show that the Liouvillian gap scales with the same exponent, similar to scaling of the Hamiltonian gap at quantum phase transitions in closed systems. |
| Databáze: | OpenAIRE |
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