Journal
PHYSICAL REVIEW LETTERS
Volume 108, Issue 13, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.131601
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Funding
- NSF [0855386]
- U.S. Department of Energy, Division of High Energy Physics [DE-AC02-06CH11357]
- Direct For Mathematical & Physical Scien
- Division Of Physics [0855386] Funding Source: National Science Foundation
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Monotonic renormalization group flows of the c'' and a'' functions are often cited as reasons why cyclic or chaotic coupling trajectories cannot occur. It is argued here, based on simple examples, that this is not necessarily true. Simultaneous monotonic and cyclic flows can be compatible if the flow function is multivalued in the couplings.
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