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Hellman-Feynman theorem (Read 2456 times)
Gerrit-Jan Linker
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Hellman-Feynman theorem
07.02.08 at 22:00:07
 
Hellman-Feynman theorem
 
The energy variation with any Hamiltonian parameter λ is given by the average value of δH/δλ
 
δEn/δλ = <ψn|δH/δλ|ψn>
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Gerrit-Jan Linker
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