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Volumn 56, Issue 8, 1997, Pages 5233-5250

Enhancement of photon production from nonequilibrium disoriented chiral condensates

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EID: 0000532748     PISSN: 15507998     EISSN: 15502368     Source Type: Journal    
DOI: 10.1103/PhysRevD.56.5233     Document Type: Article
Times cited : (25)

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    • The two terms in Eq. (4.1), give exactly identical contributions to the emission rate. One might worry that the Heisenberg operators (Formula presented) and (Formula presented) in Eq. (3.28) might not commute in the full theory. However, with an adiabatic switch-on of the interactions at some (Formula presented), when the fields are free, then (Formula presented)But the commutator on the right-hand side is zero for free fields, and is preserved at all times by the unitarity of the theory
    • The two terms in Eq. (4.1), give exactly identical contributions to the emission rate. One might worry that the Heisenberg operators (Formula presented) and (Formula presented) in Eq. (3.28) might not commute in the full theory. However, with an adiabatic switch-on of the interactions at some (Formula presented), when the fields are free, then (Formula presented)But the commutator on the right-hand side is zero for free fields, and is preserved at all times by the unitarity of the theory.


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