Quantum Dew

Abstract

We consider phase separation in nonequilibrium Bose gas with an attractive interaction between the particles. Using numerical integrations on a lattice, we show that the system evolves into a state that contains drops of Bose-Einstein condensate suspended in uncondensed gas. When the initial gas is sufficiently rarefied, the rate of formation of this quantum dew scales with the initial density as expected for a process governed by two-particle collisions.

4 pages, revtex, 5 figures

References in corpus (12)

• Supersymmetric Q-balls as dark matter
• Classical decay of inflaton
• Axion Miniclusters and Bose Stars
• Non-Linear Axion Dynamics and Formation of Cosmological Pseudo-Solitons
• Kinetics of Bose-Condensation
• Condensation of bosons in kinetic regime
• Growth and Collapse of a Bose Condensate with Attractive Interactions
• Resonant decay of Bose condensates
• Atomic Bose Gas with Negative Scattering Length
• Thermodynamics of Non-Topological Solitons
• Phase ordering kinetics of the Bose gas
• First-order nonthermal phase transition after preheating

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• Quantum and Classical Behavior in Interacting Bosonic Systems
• Properties of the stochastic Gross-Pitaevskii equation: Projected Ehrenfest relations and the optimal plane wave basis
• Detecting Axion Stars with Radio Telescopes
• Hydrogen Axion Star: Metallic Hydrogen Bound to a QCD Axion BEC
• Relaxation times for Bose-Einstein condensation by self-interaction and gravity
• Solar mass black holes from neutron stars and bosonic dark matter
• Simulations of multi-field ultralight axion-like dark matter
• The energy-momentum tensor and D-term of Q-clouds
• Attractive vs. repulsive interactions in the Bose-Einstein condensation dynamics of relativistic field theories
• Short-scale gravitational instability in a disordered Bose gas
• Dynamics of Q-Balls in an expanding universe
• Strong acoustic turbulence and the speed of Bose-Einstein condensation
• Optical Lensing by Axion Stars: Observational Prospects with Radio Astrometry