- #1
naima
Gold Member
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I found two definitions of wigner function on space time. the first uses a Fourier transform of ##\rho (q+ y/2,q-y/2)##
the second uses the Weyl transformation and parity operator ## exp (i \pi \theta N)##
where N is the occupation number operator.
Could you give me a link which shows the equivalence of the definition?
thanks
the second uses the Weyl transformation and parity operator ## exp (i \pi \theta N)##
where N is the occupation number operator.
Could you give me a link which shows the equivalence of the definition?
thanks