Decay of Correlations in 2D Quantum Systems with Continuous Symmetry

Costanza Benassi, Jürg Fröhlich, Daniel Ueltschi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)
6 Downloads (Pure)

Abstract

We study a large class of models of two-dimensional quantum lattice systems with continuous symmetries, and we prove a general McBryan–Spencer–Koma–Tasaki theorem concerning algebraic decay of correlations. We present applications of our main result to the Heisenberg, Hubbard, and t-J models, and to certain models of random loops.
Original languageEnglish
Pages (from-to)2831–2847
Number of pages17
JournalAnnales Henri Poincare
Volume18
Issue number9
Early online date8 Apr 2017
DOIs
Publication statusPublished - 2017

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