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Article Dans Une Revue Communications in Mathematical Physics Année : 2002

Bosonic Monocluster Expansion

Résumé

We compute connected Green\'s functions of a Bosonic field theory with cutoffs by means of a ``minimal\'\' expansion which in a single move, interpolating a generalized propagator, performs the usual tasks of the cluster and Mayer expansion. In this way it allows a direct construction of the infinite volume or thermodynamic limit and it brings constructive Bosonic expansions closer to constructive Fermionic expansions and to perturbation theory.

Dates et versions

hal-00008446 , version 1 (05-09-2005)

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Abdelmalek Abdesselam, J. Magnen, V. Rivasseau. Bosonic Monocluster Expansion. Communications in Mathematical Physics, 2002, 229, pp.183-207. ⟨hal-00008446⟩
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