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C2 regularity of the surface tension for the ∇ ϕ interface model
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Armstrong, Scott and Wu, Wei (2022) C2 regularity of the surface tension for the ∇ ϕ interface model. Communications on Pure and Applied Mathematics, 75 (2). pp. 349-421. doi:10.1002/cpa.22031 ISSN 1097-0312.
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Official URL: https://doi.org/10.1002/cpa.22031
Abstract
We consider the ∇ϕ interface model with a uniformly convex interaction potential possessing Hölder continuous second derivatives. Combining ideas of Naddaf and Spencer with methods from quantitative homogenization, we show that the surface tension (or free energy) associated to the model is at least C2,β for some β > 0. We also prove a fluctuation-dissipation relation by identifying its Hessian with the covariance matrix characterizing the scaling limit of the model. Finally, we obtain a quantitative rate of convergence for the Hessian of the finite-volume surface tension to that of its infinite-volume limit.
Item Type: | Journal Article | ||||||
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SWORD Depositor: | Library Publications Router | ||||||
Journal or Publication Title: | Communications on Pure and Applied Mathematics | ||||||
Publisher: | Wiley | ||||||
ISSN: | 1097-0312 | ||||||
Official Date: | February 2022 | ||||||
Dates: |
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Volume: | 75 | ||||||
Number: | 2 | ||||||
Page Range: | pp. 349-421 | ||||||
DOI: | 10.1002/cpa.22031 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access |
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