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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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| Lenguaje: | eng |
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2013
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| Acceso en línea: | https://dx.doi.org/10.1016/j.nuclphysa.2014.04.013 http://cds.cern.ch/record/1510353 |