Sökning: id:"swepub:oai:lup.lub.lu.se:ee6f253b-eb14-4f1d-98d4-05b819e9e8ae" > BANDSTRUCTURE AND L...
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000 | 02250naa a2200277 4500 | |
001 | oai:lup.lub.lu.se:ee6f253b-eb14-4f1d-98d4-05b819e9e8ae | |
003 | SwePub | |
008 | 160404s1988 | |||||||||||000 ||eng| | |
024 | 7 | a https://lup.lub.lu.se/record/87740022 URI |
040 | a (SwePub)lu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a kap2 swepub-publicationtype |
072 | 7 | a ref2 swepub-contenttype |
100 | 1 | a Almbladh, Carl-Olofu Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)teor-cal |
245 | 1 0 | a BANDSTRUCTURE AND LOCALIZED DESCRIPTIONS OF NARROW-BAND SYSTEMS |
264 | 1 | c 1988 |
520 | a In this note I would like to give some personal views on the relevance of bandstructure treatments of narrow-band systems. At first sight one might think that bandstructure theory is not a very appropriate framework for quasi-localized electrons. Nevertheless, it has been found that density-functional (DF) theory in its modern form gives a rather impressive description of ground-state properties for the majority of systems, not only " in principle " but also in practice via calculations based on the local-density approximation (LDA). I will here discuss some key concepts in DF theory with emphasis on physical significance of the eigenvalues which appear in the DF one-electron-like equations. I will also to some extent discuss the dynamical selfenergy Σ, which describes the " one-electron " excitations reached by adding or removing an electron, although there is very little work done for narrow-band electrons. | |
650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
700 | 1 | a Fuggle, John C.4 edt |
700 | 1 | a Sawatzky, George A.4 edt |
700 | 1 | a Allen, J. W.4 edt |
710 | 2 | a Matematisk fysikb Fysiska institutionen4 org |
773 | 0 | t Narrow-Band Phenomena—Influence of Electrons with Both Band and Localized Characterg 184, s. 81-89q 184<81-89 |
856 | 4 8 | u https://lup.lub.lu.se/record/8774002 |
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