Functional bosonization with time dependent perturbations

Details Functional bosonization with time dependent perturbations Functional bosonization with time dependent perturbations

2003-12-12

arxiv.org/abs/hep-th/0312142v1

Int.J.Mod.Phys. A19 (2004) 4953-4972

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, 8 figures

Scientific paper

10.1142/S0217751X04020695

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 non covariant 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 non-equilibrium electronic systems.

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