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pro vyhledávání: '"Edmund Menge"'
Publikováno v:
Journal of Mathematical Physics
Journal of Mathematical Physics, American Institute of Physics (AIP), 2014, 55 (1), pp.012101. ⟨10.1063/1.4853875⟩
Journal of Mathematical Physics, American Institute of Physics (AIP), 2014, 55 (1), pp.012101. ⟨10.1063/1.4853875⟩
International audience; In its original formulation, Lieb's variational principle holds for fermion systems with purely repulsive pair interactions. As a generalization we prove for both fermion and boson systems with semi-bounded Hamiltonian that th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa75ed59a87563d1fd29d03019f3bb77
https://hal.archives-ouvertes.fr/hal-03195851
https://hal.archives-ouvertes.fr/hal-03195851
Publikováno v:
Bach, V, Knörr, H K & Menge, E 2015, ' Representability Conditions by Grassmann Integration ', Advances in Theoretical and Mathematical Physics, vol. 19, no. 6, pp. 1141–1182 . https://doi.org/10.4310/ATMP.2015.v19.n6.a1
Representability conditions on the one- and two-particle density matrix for fermion systems are formulated by means of Grassmann integrals. A positivity condition for a certain kind of Grassmann integral is established which, in turn, induces the wel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af5bc689c2b936b1146071e7888686d1