A derivation of the laser master equation in terms of thermo field dynamics
A laser master equation is derived by introducing an appropriate relaxation operator which takes into account correctly the semi-classical part of laser evolution. The introduction of the relaxation operator is done systematically by making use of the general procedure of non-equilibrium thermo field dynamics (NETFD). Elimination of the atom system is performed up to second order with respect to the quantum fluctuation of the electric field (i.e., spontaneous emission of photons).
Year of publication: |
1988
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Authors: | Tominaga, T. ; Arimitsu, T. ; Pradko, J. ; Umezawa, H. |
Published in: |
Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 150.1988, 1, p. 97-117
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Publisher: |
Elsevier |
Saved in:
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