Thermalization of the spectral function in strongly coupled two dimensional conformal field theories
V. Balasubramanian, A. Bernamonti, B. Craps, V. Ker\"anen, E., Keski-Vakkuri, B. M\"uller, L. Thorlacius, and J. Vanhoof
TL;DR
This paper develops holographic methods to compute time-dependent spectral functions in strongly coupled 2D conformal field theories undergoing thermalization, using Wigner transforms and AdS-Vaidya spacetimes.
Contribution
It introduces a novel holographic approach for analyzing non-equilibrium spectral functions in 2D CFTs during thermalization.
Findings
Successful computation of time-dependent spectral functions
Extension of Wigner transform techniques to holography
Insights into thermalization processes in strongly coupled systems
Abstract
Using Wigner transforms of Green functions, we discuss non-equilibrium generalizations of spectral functions and occupation numbers. We develop methods for computing time-dependent spectral functions in conformal field theories holographically dual to thin-shell AdS-Vaidya spacetimes.
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