Quantum Mechanics Solution Manual |
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© Leon van Dommelen |
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2.4.4 Solution mathops-d
Question:
The inversion, or parity, operator turns into . (It plays a part in the question to what extent physics looks the same when seen in the mirror.) Show that leaves unchanged, but turns into .
Answer:
According to [1, p. 43], , but . Compare also the graphs of the functions on the same page; flips the graph of a function over around the -axis.