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Hellmann–Feynman theorem

Known as: Hellman-Feynman theorem, Hellmann, Hellmann-Feynman theorem 
In quantum mechanics, the Hellmann–Feynman theorem relates the derivative of the total energy with respect to a parameter, to the expectation value… 
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Papers overview

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2015
2015
Mass spectra of the dimesonic (meson–antimeson) molecular states are computed using the Hellmann potential in a variational… 
Highly Cited
2010
Highly Cited
2010
We report a systematic measurement of the space charge effect observed in the few-ps laser pulse regime in laser-based solid… 
2009
2009
Mobile Ad-hoc Network (MANET) is a collection of autonomous nodes or terminals which communicate with each other by forming a… 
Highly Cited
2005
Highly Cited
2005
The goal of any cryptographic system is the exchange of information among the intended users without any leakage of information… 
2001
2001
The crystalline and magnetic structures of all known polymorphs of Mn have been investigated using generalized spin-density… 
Highly Cited
1999
Highly Cited
1999
Abstract:Ab initio calculations and a direct method have been applied to derive the phonon dispersion curves and phonon density… 
1994
1994
Der Aufsatz ist eine Reaktion auf den Beitrag von Hellmann (ZIB 111994). Der Situationsbeschreibung, das die »Hegemonie« der… 
1979
1979
We present a generalized version of the Hellmann-Feynman theorem which is then applied to problems in surface physics. In…