The Bethe ansatz variational approach to the thermodynamics of the massive Thirring-sine-Gordon model in the attractive coupling regime and in the zero-change sector is discussed in detail.

Journal of Physics A Mathematical and GeneralJul 11, 198713 citations

Boundary massive sine-Gordon model at the free Fermi limit and RG flow of Casimir energy

Chaiho P. Rim

arXiv:hep-th/0405162May 19, 20044 citations

arXiv:hep-th/0301075 · Nuclear Physics B

Thermodynamic Bethe ansatz for boundary sine-Gordon model

Taejun Lee, Chaiho P. Rim

Published Oct 9, 2003• 14 citations

arXiv HTML PDF

DOI: 10.1016/j.nuclphysb.2003.08.038

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The Bethe ansatz variational approach to the thermodynamics of the massive Thirring-sine-Gordon model in the attractive coupling regime and in the zero-change sector is discussed in detail.

Journal of Physics A Mathematical and GeneralJul 11, 198713 citations

Boundary massive sine-Gordon model at the free Fermi limit and RG flow of Casimir energy

Chaiho P. Rim

RG flow of central charge $c_{\rm eff}$ is investigated for the two boundary sine-Gordon model at the free Fermi limit. Thermodynamic Bethe ansatz approach is used to check the non-monotonic decreasing properties of $c_{\rm eff}$ , its resonance, and the modification of $c_{\rm eff}$ due to the mismatch of the periodicity of a Lagrangian parameter and that of the boundary scattering parameter. The detailed analysis uses the singularity structure of the system on the complex rapidity plane.RG flow of central charge $c_{\rm eff}$ is investigated for the two boundary sine-Gordon model at the free Fermi limit. Thermodynamic Bethe ansatz approach is used to check the non-monotonic decreasing properties of $c_{\rm eff}$, its resonance, and the modification of $c_{\rm eff}$ due to the mismatch of the periodicity of a Lagrangian parameter and that of the boundary scattering parameter. The detailed analysis uses the singularity structure of the system on the complex rapidity plane.

arXiv:hep-th/0405162May 19, 20044 citations

RG flow of central charge

c_{\rm eff}

is investigated for the two boundary sine-Gordon model at the free Fermi limit. Thermodynamic Bethe ansatz approach is used to check the non-monotonic decreasing properties of

c_{\rm eff}

, its resonance, and the modification of

c_{\rm eff}

due to the mismatch of the periodicity of a Lagrangian parameter and that of the boundary scattering parameter. The detailed analysis uses the singularity structure of the system on the complex rapidity plane.