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- LOWDIN, PO
(författare)
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ON FUNDAMENTALS, LOGIC, AND THE CONNECTION BETWEEN THE NATURAL-SCIENCES
- 1995
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Ingår i: INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY. - 0020-7608. ; 53:1, s. 97-103
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The importance of deductive theories in the modern natural sciences built essentially on experiments is briefly discussed. The logical structure of the deductive theories, their axioms, undefined quantities, and realizations is treated in some detail. In
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- LOWDIN, PO
(författare)
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SOME REMARKS ON PROPAGATORS AND RESOLVENTS
- 1994
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Ingår i: THEORETICA CHIMICA ACTA. - 0040-5744. ; 89:5-6, s. 277-285
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The background of the propagator methods introduced into quantum chemistry by Linderberg and Ohrn is briefly reviewed. Emphasis is put on its connection with the superresolvent associated with the Liouvillians superoperator as shown by Goscinski et al. Th
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- LOWDIN, PO
(författare)
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THE HISTORICAL DEVELOPMENT OF THE ELECTRON CORRELATION-PROBLEM
- 1995
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Ingår i: INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY. ; 55:2, s. 77-102
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Recension (övrigt vetenskapligt/konstnärligt)abstract
- A brief review is given of the historical development of the treatment of the correlation problem in solving the Schrodinger equation in modem quantum theory from the early 1930s' up to now. The correlation energy for a specific state of a system is defin
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