Equilibration in finite Bose systems

Georg Wolschin

Physica A: Statistical Mechanics and its Applications, 2018, vol. 499, issue C, 1-10

Abstract: The equilibration of a finite Bose system is modeled using a gradient expansion of the collision integral that leads to a nonlinear transport equation. For constant transport coefficients, it is solved in closed form through a nonlinear transformation. Using schematic initial conditions, the exact solution and the equilibration time are derived and compared to the corresponding case for fermions. Applications to the fast equilibration of the gluon system created initially in relativistic heavy-ion collisions, and to cold quantum gases are envisaged.

Keywords: Collision term for bosons; Nonlinear diffusion; Exact solution of nonlinear equation; Equilibration of gluons (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:499:y:2018:i:c:p:1-10

DOI: 10.1016/j.physa.2018.01.035

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