Nonequilibrium time evolution of the spectral function in quantum field theory - Gert Aarts (Physical Review D, 2001)
@articleAarts:2001qa, author = "Aarts, Gert and Berges, Juergen", title = "Nonequilibrium time evolution of the spectral function in quantum field theory", journal = "Phys.Rev.", volume = "D64", pages = "105010", doi = "10.1103/PhysRevD.64.105010", year = "2001", eprint = "hep-ph/0103049", archivePrefix = "arXiv", primaryClass = "hep-ph", reportNumber = "HD-THEP-01-11", SLACcitation = "%%CITATION = HEP-PH/0103049;%%",