Few-body hierarchy in non-relativistic functional renormalization group equations and a decoupling theorem
For non-relativistic quantum field theory in the few-body limit with instantaneous interactions it is shown within the functional renormalization group formalism that propagators are not renormalized and that the renormalization group equations of one-particle irreducible vertex functions are govern...
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| 1. Verfasser: | |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
18 April 2014
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| In: |
Nuclear physics. A, Nuclear and hadronic physics
Year: 2014, Jahrgang: 927, Pages: 119-133 |
| ISSN: | 1873-1554 |
| DOI: | 10.1016/j.nuclphysa.2014.04.013 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1016/j.nuclphysa.2014.04.013 Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0375947414000955 
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| Verfasserangaben: | Stefan Floerchinger |
MARC
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| 520 | |a For non-relativistic quantum field theory in the few-body limit with instantaneous interactions it is shown within the functional renormalization group formalism that propagators are not renormalized and that the renormalization group equations of one-particle irreducible vertex functions are governed by a hierarchical structure. This hierarchy allows to solve the equations in the n-body sector without knowledge or assumptions about the m-body sectors where m>n. | ||
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