33 citations · 36 across the 3 of their papers we have counts for
3 papers
nucl-th2015
Limit Cycles from the Similarity Renormalization Group
P. Niemann, H. -W. Hammer
We investigate renormalization group limit cycles within the similarity renormalization group (SRG) and discuss their signatures in the evolved interaction. A quantitative method t…
cond-mat.quant-gas2012★ 33 cited
Pauli blocking effects and Cooper triples in three-component Fermi gases
P. Niemann, H. -W. Hammer
We investigate the effect of Pauli blocking on universal two- and three-body states in the medium. Their corresponding energies are extracted from the poles of two- and three-body…
math.QA2000★ 3 cited
Some Generalized Kac-Moody Algebras With Known Root Multiplicities
Peter Niemann
Starting from Borcherds' fake monster Lie algebra we construct a sequence of six generalized Kac-Moody algebras whose denominator formulas, root systems and all root multiplicities…