More on conserved quantities(Liboff Problem 12.6) In quantum mechanics, when one says that the vector~Jis con-served, one means that for any state the system is in, the expectation values of the 3components of~Jare constant. This follows if these 3 operators all commute withH. Show that for the hydrogen atom with spin-orbit coupling~Land~Sare not conservedbut~Jis
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More on conserved quantities(Liboff Problem 12.6) In quantum mechanics, when one says that the vecto...
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