Variational principles and the virial theorem in quantum scattering theory
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1988 ◽
Vol 89
(3)
◽
pp. 1448-1463
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2009 ◽
Vol 28
(S19)
◽
pp. 457-466
1994 ◽
Vol 100
(7)
◽
pp. 4917-4924
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