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cond-mat.stat-mech2004★ 5 cited
Renormalization Group Limit Cycles in Quantum Mechanical Problems
Erich J. Mueller, Tin-Lun Ho
We formulate a renormalization group (RG) for the interaction parameters of the general two-body problem and show how a limit cycle emerges in the RG flow if the interaction approa…
cond-mat.stat-mech2000
Finite Temperature Collapse of a Bose Gas with Attractive Interactions (extended version)
Erich J. Mueller, Gordon Baym
We study the mechanical stability of the weakly interacting Bose gas with attractive interactions, and construct a unified picture of the collapse valid from the low temperature co…