Singular potentials and limit cycles
Journal Article
·
· Physical Review A
We show that a central 1/r{sup n} singular potential (with n{>=}{>=}2) is renormalized by a one-parameter square-well counterterm; low-energy observables are made independent of the square-well width by adjusting the square-well strength. We find a closed form expression for the renormalization-group evolution of the square-well counterterm.
- Research Organization:
- Brookhaven National Laboratory
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- AC02-98CH10886; FG03-97ER41014
- OSTI ID:
- 40277162
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 4 Vol. 64; ISSN 1050-2947
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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