Renormalization by Projection: On the Equivalence of the Bloch-Feshbach Formalism and Wilson's Renormalization

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dc.creatorMueller, Jochen
dc.creatorRau, Jochen
dc.date1995-11-15
dc.date1996-07-02
dc.date.accessioned2026-07-07T13:10:02Z
dc.date.available2026-07-07T13:10:02Z
dc.descriptionWe employ projection operator techniques in Hilbert space to derive a continuous sequence of effective Hamiltonians which describe the dynamics on successively larger length scales. We show for the case of ϕ^4 theory that the masses and couplings in these effective Hamiltonians vary in accordance with 1-loop renormalization group equations. This is evidence for an intimate connection between Wilson's renormalization and the venerable Bloch-Feshbach formalism.
dc.description8 pages LaTeX, no figures; revised introduction and discussion, new title
dc.identifierhttps://arxiv.org/abs/hep-th/9511105
dc.identifierhttp://arxiv.org/abs/hep-th/9511105
dc.identifierPhys.Lett. B386 (1996) 274-278
dc.identifierdoi:10.1016/0370-2693(96)00964-1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/228934
dc.subjectHigh Energy Physics - Theory
dc.subjectCondensed Matter
dc.subjectQuantum Physics
dc.titleRenormalization by Projection: On the Equivalence of the Bloch-Feshbach Formalism and Wilson's Renormalization
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