Nonequilibrium dynamics of quantum tunneling

Details Nonequilibrium dynamics of quantum tunneling Nonequilibrium dynamics of quantum tunneling

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000phrvd..61l3502h&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 61, Issue 12, 15 June 2000, id.123502

Physics

1

Particle-Theory And Field-Theory Models Of The Early Universe, Phase Transitions: General Studies, General Studies Of Phase Transitions

Scientific paper

We consider dynamics during phase transitions by quantum tunneling using nonequilibrium quantum field theory. We define an order parameter to represent a state of the system. The evolution equation of this order parameter and fluctuations around it are derived. In some cases long wave fluctuations are increased by instabilities during tunneling processes and these fluctuations enhance the tunneling.

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