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Annales Henri Poincaré

, Volume 20, Issue 1, pp 63–124 | Cite as

The Small Field Parabolic Flow for Bosonic Many-Body Models: Part 2—Fluctuation Integral and Renormalization

  • Tadeusz Balaban
  • Joel Feldman
  • Horst KnörrerEmail author
  • Eugene Trubowitz
Article
  • 18 Downloads

Abstract

This paper is a contribution to a program to see symmetry breaking in a weakly interacting many-Boson system on a three-dimensional lattice at low temperature. It is part of an analysis of the “small field” approximation to the “parabolic flow” which exhibits the formation of a “Mexican hat” potential well. Here we complete the analysis of a renormalization group step, started in Balaban et al. (Annales Henri Poincaré, 2019), by “evaluating” the fluctuation integral and renormalizing the chemical potential.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Tadeusz Balaban
    • 1
  • Joel Feldman
    • 2
  • Horst Knörrer
    • 3
    Email author
  • Eugene Trubowitz
    • 3
  1. 1.Department of Mathematics RutgersThe State University of New JerseyPiscatawayUSA
  2. 2.Department of MathematicsUniversity of British ColumbiaVancouverCanada
  3. 3.MathematikETH-Zürich ETH-ZentrumZürichSwitzerland

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