Journal
PHYSICAL REVIEW A
Volume 104, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.104.053309
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Funding
- U.K. Engineering and Physical Sciences Research Council [EP/R021074/1]
- Science and Technology Facilities Council (STFC) [ST/T000708/1]
- U.K. Quantum Technologies for Fundamental Physics program [ST/T00584X/1]
- STFC
- Australian Research Council Centre of Excellence in Future Low-Energy Electronics Technologies [CE170100039]
- Australian Research Council Centre of Excellence for Engineered Quantum Systems [CE170100009]
- EPSRC [EP/R021074/1] Funding Source: UKRI
- STFC [ST/T006900/1] Funding Source: UKRI
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The study analyzes the supercooled state in an analog of an early universe phase transition using a one-dimensional, two-component Bose gas with time-dependent interactions. It shows that the system behaves similarly to a thermal, relativistic Bose gas undergoing a first-order phase transition. The study proposes a method to prepare the system in a metastable phase and reveals that parametric resonances can be suppressed by thermal damping.
We perform an analysis of the supercooled state in an analog of an early universe phase transition based on a one-dimensional, two-component Bose gas with time-dependent interactions. We demonstrate that the system behaves in the same way as a thermal, relativistic Bose gas undergoing a first-order phase transition. We propose a way to prepare the state of the system in the metastable phase as an analog to supercooling in the early universe. We show that parametric resonances in the system can be suppressed by thermal damping if the damping rate is similar to some of the higher rates previously used for modeling nonequilibrium experiments. However, the theoretically predicted damping rate for equilibrium systems within our model is too weak to suppress the resonances.
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