期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷 19, 期 29, 页码 4953-4971出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X04020695
关键词
Field theory; nonequilibrium; bosonization; Luttinger
We extend a path-integral approach to bosonization previously developed in the framework of equilibrium Quantum Field Theories, to the case in which time-dependent interactions are taken into account. In particular we consider a noncovariant version of the Thirring model in the presence of a dynamic barrier at zero temperature. By using the Closed Time Path (Schwinger-Keldysh) formalism, we compute the Green's function and the Total Energy Density of the system. Since our model contains the Tomonaga Luttinger model as a particular case, we make contact with recent results on nonequilibrium electronic systems.
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