Geodesic
Correlation functions of~the one-dimensional Hubbard model
Teoretičeskaâ i matematičeskaâ fizika, Tome 82 (1990) no. 3, pp. 331-348

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An expression that describes the asymptotic behavior of the time and temperature correlation functions of the one-dimensional Hubbard model is proposed. Conformal field theory is used to calculate the critical exponents that characterize the decrease of the correlation functions at large distances. Their dependence on an external magnetic field and on the population density is studied. 
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     author = {N. M. Bogolyubov and V. E. Korepin},
     title = {Correlation functions of~the one-dimensional {Hubbard} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {331--348},
     publisher = {mathdoc},
     volume = {82},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1990_82_3_a1/}
}
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N. M. Bogolyubov; V. E. Korepin. Correlation functions of~the one-dimensional Hubbard model. Teoretičeskaâ i matematičeskaâ fizika, Tome 82 (1990) no. 3, pp. 331-348. http://geodesic.mathdoc.fr/item/TMF_1990_82_3_a1/