Thursday, July 18, 2013

1307.4619 (Florian Hebenstreit et al.)

Real-time dynamics of string breaking    [PDF]

Florian Hebenstreit, Jürgen Berges, Daniil Gelfand
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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