Universal frozen spectra after time-dependent symmetry restoring phase transitions.


For a general O(N) model, we study the time-dependent phase transition from a state with broken symmetry ≠ 0 to the symmetric phase = 0. During this non-equilibrium process, the primordial quantum (or thermal) fluctuations of the initial Goldstone modes are frozen and result in a deviation from the final ground (or thermal) state. For very slow… (More)
DOI: 10.1088/0953-8984/25/40/404215


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