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revised How long does it take for expanding space to double in size
added propper formulas
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suggested suggested edit on How long does it take for expanding space to double in size
Mar
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answered Lorentz transformations in Dirac equation
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comment Chiral anomalies à la Fujikawa: Why don't we just take another measure?
Thanks for the answer and the reference. In the section you are giving the anomaly is derived for Wely fields but in a diagrammatic way. I am not questioning these results i am wondering that in Fujikawas method in deriving the anomalies vi a PI the reasoning doesn't work if i just choose another measure which appears equally valid to me. So what would the "non-naive quantum mechanical" way to argue which measure to choose for the PI?
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asked Chiral anomalies à la Fujikawa: Why don't we just take another measure?
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11
asked Why can i replace a gauge field by the current it couples to in the calculation of a greens function?