Real-time dynamics of string breaking
Florian Hebenstreit, J\"urgen Berges, Daniil Gelfand
TL;DR
This paper investigates the real-time process of string breaking in 1D quantum electrodynamics, revealing a two-stage process and multiple string breaking phenomena with dynamical charges.
Contribution
It introduces the concept of multiple string breaking with dynamical charges, extending beyond traditional static charge setups.
Findings
Identifies a two-stage process involving pair creation and charge separation.
Demonstrates multiple string breaking with dynamical charges.
Separates time and energy scales in the string breaking process.
Abstract
We study the real-time dynamics of string breaking in quantum electrodynamics in one spatial dimension. A two-stage process with a clear separation of time and energy scales for the fermion--antifermion pair creation and subsequent charge separation leading to the screening of external charges is found. Going away from the traditional setup of external static charges, we establish the phenomenon of multiple string breaking by considering dynamical charges flying apart.
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