Recent content by furdun

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    Klein-Gordon Causality calculation

    That makes complete sense, thank you for your help.
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    Klein-Gordon Causality calculation

    Thank you very much that does help. Could you possibly point me in the direction as to why <0|\textbf{p};\textbf{q}> = 0 where |\textbf{p}, \textbf{q}> is a two particle state. I remember this but can't recall why. Also how do I mark this as answered?
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    Klein-Gordon Causality calculation

    [SOLVED] Klein-Gordon Causality calculation Homework Statement In Peskin and Schroeder on page 27 it is stated that when we compute the Klien-Gordon propagator in terms of creation and annihilation operators the only term that survived the expansion is...
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