Wilson Loops in Large {ital N} Field Theories
- Lyman Laboratory of Physics, Harvard University, Cambridge, Massachusetts 02138 (United States)
We propose a method to calculate the expectation values of an operator similar to the Wilson loop in the large N limit of field theories. We consider N=4 (3+1) -dimensional supersymmetric Yang-Mills theory. The prescription involves calculating the area of a fundamental string world sheet in certain supergravity backgrounds. We also consider the case of coincident M -theory five-branes where one is led to calculating the area of M -theory two-branes. We briefly discuss the computation for (2+1) -dimensional supersymmetric Yang-Mills theory with 16 supercharges which is nonconformal. In all of these cases, we calculate the energy of a quark-antiquark pair. {copyright} {ital 1998} {ital The American Physical Society}
- DOE Contract Number:
- FG05-90ER40559
- OSTI ID:
- 679098
- Journal Information:
- Physical Review Letters, Vol. 80, Issue 22; Other Information: PBD: Jun 1998
- Country of Publication:
- United States
- Language:
- English
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