Rough Interfaces Beyond the Gaussian Approximation
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✦ hep-lat
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modelapproximationbeyondcapillaryenergygaussianorderwave
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We compare predictions of the Capillary Wave Model with Monte Carlo results for the energy gap and the interface energy of the 3D Ising model in the scaling region. Our study reveals that the finite size effects of these quantities are well described by the Capillary Wave Model, expanded to two-loop order (one order beyond the Gaussian approximation).
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Effective strings and particles interacting in 3D: the Ising model
In the 3D Ising model, a fluctuating domain wall interacts with bulk particles such that large-distance corrections to free energy and correlation tails are controlled by a single renormalized coupling λ in the nearly...
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