Show that parity invariance (5.31) leads to parity conservation, that is [H, P] = 0, where P

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Show that parity invariance (5.31) leads to parity conservation, that is [H, P̂] = 0, where 

P̂ Ψ(r1 , r2, . . . , t) = P1P· · · Ψ(−r1,−r2, . . . , t).


Equation 531

H(r'1, r'2, . . .) = H(−r1,−r2, . . .) =  H (r1, r2, . . .). 

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Particle Physics

ISBN: 978-1118912164

4th Edition

Authors: Brian R. Martin, Graham Shaw

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