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Line 73: :::<math>Z=\frac{m_1z_1+m_2z_2}{m_1+m_2}</math> The importance of this result is that it shows the wavefunction for the compound system is [[Quantum entanglement\|entangled]], contrary to what one would normally think in a classical ~~stand point~~standpoint. More importantly, it shows the energy of the hydrogen atom is not only associated with the electron but also with the proton, and the total state is not [[Product state\|decomposable]] into a state for the electron and one for the proton separately.<ref name = "Dickson" /> ===Superselection rules===

Quantum reference frame: Difference between revisions