Journal
PHYSICAL REVIEW A
Volume 102, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.102.043324
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Funding
- Leverhulme Trust [RPG-2016-233]
- Engineering and Physical Sciences Research Council
- Science and Technology Facilities Council (STFC) [ST/T000708/1]
- STFC studentship
- EPSRC [EP/R021074/1] Funding Source: UKRI
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We perform an analysis of the supercooled state in an analog to an early universe phase transition based on a one-dimensional, two-component Bose gas. We demonstrate that the thermal fluctuations in the relative phase between the components are characteristic of a relativistic thermal system. Furthermore, we demonstrate the equivalence of two different approaches to the decay of the metastable state: specifically a nonperturbative thermal instanton calculation and a stochastic Gross-Pitaevskii simulation.
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