A Continuum Approach to 2D-Quantum Gravity for C>1
M. Martellini, M. Spreafico, K. Yoshida
TL;DR
This paper develops a continuum string theory model for 2D quantum gravity with central charge greater than one, extending previous models and calculating tachyon scattering amplitudes.
Contribution
It introduces a Lagrangian continuum approach for c>1 string theory, generalizing the computation of tachyon scattering amplitudes beyond the c≤1 case.
Findings
Derived tachyon scattering amplitudes for c>1
Formulated a gauge-fixed continuum model for 2D quantum gravity
Extended the theoretical framework beyond previous c≤1 models
Abstract
A Lagrangian continuum model for a string theory with central charge is formulated by incorporating Weyl and diffeomorphism gauge fixing. In particular the tachyon scattering amplitudes are deduced generalizing the standard computation.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Noncommutative and Quantum Gravity Theories · Cosmology and Gravitation Theories