Off the critical point by perturbation: The Ising model spin-spin correlator
A kind of dimensional regularization is proposed in the conformal theory context in order to define the integrals of the perturbation in the τ ∼ (T − T c)/T c series for correlation functions off the critical point. The calculation is done for the second-order term of the spin-spin correlation funct...
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Published in | Nuclear physics. B Vol. 314; no. 3; pp. 687 - 706 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
Amsterdam
Elsevier B.V
06.03.1989
Elsevier |
Subjects | |
Online Access | Get full text |
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Summary: | A kind of dimensional regularization is proposed in the conformal theory context in order to define the integrals of the perturbation in the
τ ∼ (T − T
c)/T
c
series for correlation functions off the critical point. The calculation is done for the second-order term of the spin-spin correlation function in the Ising Model and is checked with the known result. |
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ISSN: | 0550-3213 1873-1562 |
DOI: | 10.1016/0550-3213(89)90413-6 |