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cond-mat1998
Irreversibility from a Reversible Equation
Hiroshi Ezawa, Koichi Nakamura, Keiji Watanabe
After a discussion on the state of local equilibrium with temperature inhomogeneity, comparing mixture state reprsentation in statistical mechanics and pure state representation in…
cond-mat1998
Evolution of a Bose-Einstein condensate of neutral atoms --- A field theoretical approach
Koichi Nakamura, Yoshiya Yamanaka
The particle distribution in a Bose condensate under the trapping potential and its time evolution after switching off the trapping potential suddenly are calculated. We investigat…