Kavli Affiliate: Austin Joyce | First 5 Authors: Austin Joyce, Alberto Nicolis, Alessandro Podo, Luca Santoni, | Summary: We revisit certain subtleties of renormalization that arise when one derives a low-energy effective action by integrating out the heavy fields of a more complete theory. Usually these subtleties are circumvented by matching some physical observables, such […]
Continue.. Integrating out beyond tree level and relativistic superfluids