Zobrazeno 1 - 10 of 78 pro vyhledávání: '"M. Luttinger"'
1
An Exactly Soluble Model of a Many-Fermion System
Autor: J. M. Luttinger
An exactly soluble model of a one‐dimensional many‐fermion system is discussed. The model has a fairly realistic interaction between pairs of fermions. An exact calculation of the momentum distribution in the ground state is given. It is shown th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f52c963e9d415deab1178e866d2c975
https://doi.org/10.1142/9789814520720_0001
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3
The asymptotic evaluation of a class of path integrals. II
Autor: J. M. Luttinger
Publikováno v: Journal of Mathematical Physics. 24:2070-2073
The asymptotic behavior of a class of Wiener‐like path integrals (functions of the ‘‘local time’’) is determined. These integrals are of interest in themselves and also arise very naturally in the theory of disordered systems. We show that
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe4645612ba761ec0c7dec53a5cabfc3
https://doi.org/10.1063/1.525949
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5
Scattering length and diffusion
Autor: J. M. Luttinger
Publikováno v: Journal of Statistical Physics. 15:215-218
An expression for an asymptotic property of the Green's function for the diffusion of a particle is obtained. It is shown that this provides (as a special case) a very simple derivation of a previous result of Kac and Luttinger relating the scatterin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2934285ab50e17e21ed4df36e7de579e
https://doi.org/10.1007/bf01012877
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6
Exact evaluation of Green's functions for a class of one-dimensional disordered systems
Autor: J. M. Luttinger, R. Tao
Publikováno v: Physical Review B. 27:935-944
A new method for calculating the average of the product of any number of electron Green's functions for a class of one-dimensional models of disordered systems is given. This method is a combination of the "replica trick" and the Feynman expression f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f052c1d9a71fca0cceac7f6c0e801522
https://doi.org/10.1103/physrevb.27.935
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7
Density of electronic energy levels in disordered systems
Autor: Richard Friedberg, J. M. Luttinger
Publikováno v: Physical Review B. 12:4460-4474
We extend work of Friedberg and Luttinger on the density of low-lying electronic levels of a disordered system. Previously, we considered only uncorrelated scattering centers and now we consider correlations between them. The Lifshitz term and the fi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8437795f0cb4a4acca3ae7b2872a6cae
https://doi.org/10.1103/physrevb.12.4460
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8
Some functional inequalities, with application to Green's function
Autor: R. Friedberg, J. M. Luttinger
Publikováno v: Archive for Rational Mechanics and Analysis. 61:187-195
Some elementary inequalities for functional with functional derivatives of given sign are presented and proved. These are then applied to the study of Green's functions for diffusion processes in a medium with sources and sinks (or alternately to Gre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db23efa915bd5ed0057dbbf41b1ade71
https://doi.org/10.1007/bf00249705
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