Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-01-21
AnnalsPhys.323:2799-2839,2008
Physics
High Energy Physics
High Energy Physics - Theory
45 pages, 5 figures, extented subsection 4.3.2, related minor changes in subsections 3.3 and 4.2
Scientific paper
10.1016/j.aop.2008.02.009
We propose new methods for calculation of the discrete spectrum, the reflection amplitude and the correlation functions of boundary Liouville theory on a strip with Lorentzian signature. They are based on the structure of the vertex operator $V=e^{-\phi}$ in terms of the asymptotic operators. The methods first are tested for the particle dynamics in the Morse potential, where similar structures appear. Application of our methods to boundary Liouville theory reproduces the known results obtained earlier in the bootstrap approach, but there can arise a certain extension when the boundary parameters are near to critical values. Namely, in this case we have found up to four different equidistant series of discrete spectra, and the reflection amplitude is modified respectively.
Dorn Harald
Jorjadze George
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