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Unexpected Spin-Off from Quantum Gravity

Authors
  • Benedetti, D.
  • Loll, R.
Type
Published Article
Publication Date
Dec 19, 2006
Submission Date
Mar 14, 2006
Identifiers
DOI: 10.1016/j.physa.2006.11.032
Source
arXiv
License
Unknown
External links

Abstract

We propose a novel way of investigating the universal properties of spin systems by coupling them to an ensemble of causal dynamically triangulated lattices, instead of studying them on a fixed regular or random lattice. Somewhat surprisingly, graph-counting methods to extract high- or low-temperature series expansions can be adapted to this case. For the two-dimensional Ising model, we present evidence that this ameliorates the singularity structure of thermodynamic functions in the complex plane, and improves the convergence of the power series.

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