Self-consistent approach for Bose-condensed atoms in optical lattices

• Veröffentlicht in: Condensed Matter Physics
• Datum: 2013
• 1. Verfasser: Yukalov, V.I.
• Format: Artikel
• Sprache: Englisch
• Veröffentlicht: Інститут фізики конденсованих систем НАН України 2013
• Online Zugang: https://nasplib.isofts.kiev.ua/handle/123456789/120802
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Zitieren: Self-consistent approach for Bose-condensed atoms in optical lattices / V.I. Yukalov // Condensed Matter Physics. — 2013. — Т. 16, № 2. — С. 23002:1-16. — Бібліогр.: 50 назв. — англ.

Bose atoms in optical lattices are considered at low temperatures and weak interactions, when Bose-Einstein condensate is formed. A self-consistent approach, based on the use of a representative statistical ensemble, is employed, guaranteeing a gapless spectrum of collective excitations and the vali...