Time-Dependent Renormalization in Non-Equilibrium Thermo Field Dynamics
- 1 January 1986
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics Supplement
- Vol. 86, 243-252
- https://doi.org/10.1143/ptps.86.243
Abstract
Making use of the thermo field dynamics, we present a preliminary analysis of the non-equilibrium process which transforms an initial non-ordered state to a final ordered state. The time-behavior of the order parameter and of the Goldstone mode is crudely estimated. The result indicates that a systematic formalism of time-dependent renormalization is demanded.Keywords
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