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We use an instantonic approach to calculate the asymptotic behavior of higher orders of the (4-∈)-expansion for the scaling function of the pair correlator of the O(n)-syrnmetric φ4-theory in the minimal subtraction scheme. Our results differ substantially from the known exact expression for the ∈3 order of the expansion of the scaling function in the small-τ domain.
Original language | English |
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Pages (from-to) | 1631-1644 |
Number of pages | 14 |
Journal | Theoretical and Mathematical Physics |
Volume | 129 |
Issue number | 3 |
DOIs | |
State | Published - 1 Dec 2001 |
ID: 5207341