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Prog. Theor. Phys. Vol. 114 No. 5 (2005) pp. 907-927
A Quantum Field Theoretical Approach to the TCLE Method
Mizuhiko Saeki
Toyama National College of Maritime Technology, Imizu
933-0293, Japan
(Received April 22, 2005)
Abstract:
In the context of non-equilibrium statistical mechanics, the TCLE method
(a method in which the admittance of a system is directly calculated from
time-convolutionless equations with external driving terms) for the linear
response, is formulated in terms of thermo-field dynamics and in this way,
thermo-field dynamics is generalized to the case of a quantal system
interacting with its surroundings and with an external driving field. It is
applied to interacting boson systems, and an admittance formula for such
systems is derived using the TCLE method.
URL :
http://ptp.ipap.jp/link?PTP/114/907/
DOI : 10.1143/PTP.114.907
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Citing Article(s) :
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Progress of Theoretical Physics Vol. 115 No. 1 (2006) pp. 1-22
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Linear Response in an Interacting Boson System
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Mizuhiko Saeki
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Progress of Theoretical Physics Vol. 121 No. 1 (2009) pp. 165-191
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Transverse Susceptibilities of Ferromagnetic Spin Wave Interacting with Phonon Reservoir
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Mizuhiko Saeki
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Progress of Theoretical Physics Vol. 124 No. 1 (2010) pp. 95-123
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Non-Equilibrium Thermo-Field Dynamics for a Fourth-Order Hamiltonian
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Mizuhiko Saeki