期刊
PHYSICAL REVIEW RESEARCH
卷 4, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.4.033096
关键词
-
资金
- Israel Science Foundation [1682/18]
We propose a mathematical model to describe the athermal fluctuations of thin sheets and find that the structure factor follows a logarithmically corrected rational function.
We propose a mathematical model to describe the athermal fluctuations of thin sheets driven by the type of random driving that might be experienced prior to weak crumpling. The model is obtained by merging the Foppl-von Karman equations from elasticity theory with techniques from out-of-equilibrium statistical physics to obtain a nonlinear strongly coupled phi(4)-Langevin field equation with a spatially varying kernel. With the aid of the self-consistent expansion (SCE), this equation is analytically solved for the structure factor of a fluctuating sheet. In contrast to previous research which has suggested that the structure factor follows an anomalous power law, we find that the structure factor in fact obeys a logarithmically corrected rational function. Numerical simulations of our model confirm the accuracy of our analytical solution.
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