Journal of Holography Applications in Physics
Fast Electric Quenches and Scaling Behavior at Finite Coupling
Document Type : Regular article
Author
School of Physics, Damghan University, Damghan, P.O.Box 36716–41167, Iran
Abstract
We investigate the dynamical response of a gauge theory with a holographic dual at both finite- and infinite-coupling regime to time-dependent electric field quenches of various profiles. Using the AdS/CFT correspondence, we analyze the resulting electric current as a function of the quench profile and system parameters, including temperature and coupling strength. Our study reveals a universal scaling behavior in the early-time response to fast quenches. Specifically, we find that for tanh-like quenches, the rescaled first peak of the current scales as $(1/\delta t)^0$, while for pulse-like quenches, it scales as $(1/\delta t)^{-1}$, where $\delta t$ is the transition time of the electric field. This scaling persists across different theories, including infinite coupling, finite coupling, and finite temperature, demonstrating its independence from the underlying theory and quench details.
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Volume 5, Issue 1
February 2025Pages 98-107
- Receive Date: 17 December 2024
- Revise Date: 13 January 2025
- Accept Date: 15 January 2025