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arxiv: 0905.0915 · v2 · submitted 2009-05-06 · ✦ hep-th

Exact flow equation for composite operators

S. Floerchinger , C. Wetterich This is my paper
classification ✦ hep-th
keywords compositeflowoperatorsbosonizationeffectiveequationexactfields
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We propose an exact flow equation for composite operators and their correlation functions. This can be used for a scale-dependent partial bosonization or "flowing bosonization" of fermionic interactions, or for an effective change of degrees of freedom in dependence on the momentum scale. The flow keeps track of the scale dependent relation between effective composite fields and corresponding composite operators in terms of the fundamental fields.

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Cited by 2 Pith papers

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