Geodesic
Properties of single-particle excitation spectrum for a normal Fermi system at low temperatures
Teoretičeskaâ i matematičeskaâ fizika, Tome 7 (1971) no. 2, pp. 262-270 
V. D. Ozrin. Properties of single-particle excitation spectrum for a normal Fermi system at low temperatures. Teoretičeskaâ i matematičeskaâ fizika, Tome 7 (1971) no. 2, pp. 262-270. http://geodesic.mathdoc.fr/item/TMF_1971_7_2_a10/
@article{TMF_1971_7_2_a10,
     author = {V. D. Ozrin},
     title = {Properties of single-particle excitation spectrum for a~normal {Fermi} system at low temperatures},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {262--270},
     year = {1971},
     volume = {7},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1971_7_2_a10/}
}
TY  - JOUR
AU  - V. D. Ozrin
TI  - Properties of single-particle excitation spectrum for a normal Fermi system at low temperatures
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1971
SP  - 262
EP  - 270
VL  - 7
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/TMF_1971_7_2_a10/
LA  - ru
ID  - TMF_1971_7_2_a10
ER  - 
%0 Journal Article
%A V. D. Ozrin
%T Properties of single-particle excitation spectrum for a normal Fermi system at low temperatures
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1971
%P 262-270
%V 7
%N 2
%U http://geodesic.mathdoc.fr/item/TMF_1971_7_2_a10/
%G ru
%F TMF_1971_7_2_a10

Voir la notice de l'article provenant de la source Math-Net.Ru

A study is made of the properties of the single-particle excitation spectrum of a normal Fermi system at low temperatures. It is shown that in the immediate neighborhood of the Fermi surface, $|p-p_F|p_F^3\ll m^2\theta^2\alpha^2$, the maxima of the spectral density are strongly smoothed out.

[1] N. N. Bogolyubov, S. V. Tyablikov, DAN SSSR, 126 (1959), 53 ; Д. Н. Зубарев, УФН, 71 (1960), 71 | Zbl | DOI | MR

[2] V. D. Ozrin, TMF, 4 (1970), 66

[3] N. M. Hugenholtz, L. Van Hove, Physica, 24 (1958), 363 ; J. Luttinger, J. C. Ward, Phys. Rev., 118 (1960), 1417 | DOI | MR | Zbl | DOI | MR | Zbl

[4] A. A. Abrikosov, L. P. Gorkov, I. E. Dzyaloshinskii, Metody kvantovoi teorii polya v statisticheskoi fizike, Fizmatgiz, 1962 | MR | Zbl

[5] V. M. Galitskii, Primenenie metodov kvantovoi teorii polya k zadacham mnogikh tel, Sb., Gosatomizdat, 1963, 3–64

[6] A. A. Abrikosov, I. M. Khalatnikov, UFN, 66 (1968), 177 | DOI