Geodesic
Correlators of densities in~the one-dimensional Hubbard~model
Zapiski Nauchnykh Seminarov POMI, Boundary-value problems of mathematical physics and related problems of function theory. Part 29, Tome 249 (1997), pp. 7-19

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The one-dimensional Hubbard model with the infinitely strong repulsion between electrons is considered. Explicit expressions for the two-point correlators of local densities (depending on time, temperature, chemical potential and external field) are obtained. 
@article{ZNSL_1997_249_a0,
     author = {N. I. Abarenkova and A. G. Izergin and A. G. Pronko},
     title = {Correlators of densities in~the one-dimensional {Hubbard~model}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {7--19},
     publisher = {mathdoc},
     volume = {249},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1997_249_a0/}
}
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N. I. Abarenkova; A. G. Izergin; A. G. Pronko. Correlators of densities in~the one-dimensional Hubbard~model. Zapiski Nauchnykh Seminarov POMI, Boundary-value problems of mathematical physics and related problems of function theory. Part 29, Tome 249 (1997), pp. 7-19. http://geodesic.mathdoc.fr/item/ZNSL_1997_249_a0/