https://doi.org/10.1140/epjb/e2018-90583-8
Regular Article
T-matrix formulation of real-space dynamical mean-field theory and the Friedel sum rule for correlated lattice fermions
1
Institute of Theoretical Physics, Faculty of Physics, University of Warsaw,
ul. Pasteura 5,
02-093 Warszawa, Poland
2
Institute of Physics, Czech Academy of Sciences,
Na Slovance 2,
182 21 Prague, Czech Republic
3
Theoretical Physics III, Center for Electronic Correlations and Magnetism, Institute of Physics, University of Augsburg,
86135 Augsburg, Germany
a e-mail: byczuk@fuw.edu.pl
Received:
2
October
2018
Received in final form:
3
December
2018
Published online: 4 February 2019
We formulate real-space dynamical mean-field theory within scattering theory. Thereby the Friedel sum rule is derived for interacting lattice fermions at zero temperature.
Key words: Solid State and Materials
© The Author(s) 2019. This article is published with open access at Springerlink.com
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
