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2016 A note on Ising random currents, Ising-FK, loop-soups and the Gaussian free field
Titus Lupu, Wendelin Werner
Electron. Commun. Probab. 21: 1-7 (2016). DOI: 10.1214/16-ECP4733

Abstract

We make a few elementary observations that relate directly the items mentioned in the title. In particular, we note that when one superimposes the random current model related to the Ising model with an independent Bernoulli percolation model with well-chosen weights, one obtains exactly the FK-percolation (or random cluster model) associated with the Ising model, and we point out that this relation can be interpreted via loop-soups, combining the description of the sign of a Gaussian free field on a discrete graph knowing its square (and the relation of this question with the FK-Ising model) with the loop-soup interpretation of the random current model.

Citation

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Titus Lupu. Wendelin Werner. "A note on Ising random currents, Ising-FK, loop-soups and the Gaussian free field." Electron. Commun. Probab. 21 1 - 7, 2016. https://doi.org/10.1214/16-ECP4733

Information

Received: 27 November 2015; Accepted: 12 January 2016; Published: 2016
First available in Project Euclid: 17 February 2016

zbMATH: 1338.60236
MathSciNet: MR3485382
Digital Object Identifier: 10.1214/16-ECP4733

Subjects:
Primary: 60K35, 82B20

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