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quant-ph2013
Causal signal transmission by quantum fields -- V: Generalised Keldysh rotations and electromagnetic response of the Dirac sea
L I Plimak, S Stenholm
The connection between real-time quantum field theory (RTQFT) [see, e.g., A.\ Kamenev and A.\ Levchenko, Advances in Physics {58} (2009) 197] and phase-space techniques [E.\ Wolf a…
quant-ph2013★ 3 cited
Quantum-field-theoretical approach to phase-space techniques: Symmetric Wick theorem and multitime Wigner representation
L I Plimak, M K Olsen
In this work we present the formal background used to develop the methods used in earlier works to extend the truncated Wigner representation of quantum and atom optics in order to…