Wannier functions for one-dimensional s–p optical superlattices

Bibliographic description

punktacja MNiSW [2014 A]: 35

title:	Wannier functions for one-dimensional s–p optical superlattices
author:	Ganczarek Wojciech, Modugno Michele, Pettini Giulio, Zakrzewski Jakub
journal title:	Physical Review. A, Atomic, Molecular, and Optical Physics
volume:	90
issue:	3
date of publication :	2014
article ID:	033621
ISSN:	1050-2947
eISSN:	1094-1622 1538-4446
DOI:	10.1103/PhysRevA.90.033621
language:	English
journal language:	English
abstract in English:	The physics of one-dimensional optical superlattices with resonant s−p orbitals is reexamined in the language of appropriate Wannier functions. It is shown that details of the tight-binding model realized in different optical potentials crucially depend on the proper determination of Wannier functions. We discuss the properties of a superlattice model which quasiresonantly couples s and p orbitals and show its relation with different tight-binding models used in other works.
affiliation:	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
type:	journal article
subtype:	academic paper

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