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Recent content by epsilon-
E
Wick's Theorem for free fields only
Thank you, that puts me on the trail.
epsilon-
Post #5
Jan 18, 2015
Forum:
Quantum Physics
E
Wick's Theorem for free fields only
It can be used for that application, but the actual statement of the theorem just relates time-ordered operator products to normal-ordered operator products and contractions. I'm not seeing why the operators in question have to be free-field.
epsilon-
Post #3
Jan 16, 2015
Forum:
Quantum Physics
E
Wick's Theorem for free fields only
I'm not quite following why Wick's Theorem only applies to free fields. What part of the argument depends on a free field assumption?
epsilon-
Thread
Jan 16, 2015
Tags
Fields
Qft
Theorem
Wick's theorem
Replies: 5
Forum:
Quantum Physics
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