Strong-coupling calculations of lattice gauge theories: (1 + 1) - dimensional exercises
Journal Article
·
· Phys. Rev., D, v. 13, no. 4, pp. 1043-1053
Strong-coupling methods for solving gauge theories formulated on a lattice are illustrated by studying the lattice version of the massive Schwinger model. The vacuum state of the model spontaneously break chiral symmetry and is equivalent to an Ising antiferromagnetic chain. Several lattice perturbation- theory calculations are carried out to fourth order in the dimensionless expansion parameter 1/g$sup 2$$a$$sup 2$, where a is the lattice spacing. Pade approximants are then employed to extrapolate the calculation to large 1/g$sup 2$$a$$sup 2$. Good agreement between these calculations and exact results on the continuum massive Schwinger model are found. (AIP)
- Research Organization:
- Tel Aviv University, Tel Aviv, Israel
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-33-032088
- OSTI ID:
- 4007428
- Journal Information:
- Phys. Rev., D, v. 13, no. 4, pp. 1043-1053, Other Information: Orig. Receipt Date: 30-JUN-76
- Country of Publication:
- United States
- Language:
- English
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