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|a Corwin, Ivan
|e author
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|a Borodin, Alexei
|e contributor
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|a Ferrari, Patrik L.
|e author
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|a Borodin, Alexei
|e author
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|a Anisotropic (2+1)d growth and Gaussian limits of q-Whittaker processes
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|b Springer Berlin Heidelberg,
|c 2018-10-18T17:00:04Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/118607
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|a Abstract We consider a discrete model for anisotropic (2 + 1)-dimensional growth of an interface height function. Owing to a connection with q-Whittaker functions, this system enjoys many explicit integral formulas. By considering certain Gaussian stochastic differential equation limits of the model we are able to prove a space-time limit of covariances to those of the (2 + 1)-dimensional additive stochastic heat equation (or Edwards-Wilkinson equation) along characteristic directions. In particular, the bulk height function converges to the Gaussian free field which evolves according to this stochastic PDE. Keywords: 2+1 growth models, KPZ universality class, q-Whittaker processes, Gaussian Free Field, Space-time process
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|a Galileo Galilei Institute for Theoretical Physics (Arcetri, Italy)
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|a Kavli Institute for Theoretical Physics
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|a National Science Foundation (U.S.) (Grant PHY-1125915)
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|a National Science Foundation (U.S.) (Grant DMS-1056390)
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|a National Science Foundation (U.S.) (Grant DMS-1607901)
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|a Simons Foundation. Postdoctoral Fellowship
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|a Radcliffe Institute for Advanced Study (Fellowship)
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|a en
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|a Article
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|t Probability Theory and Related Fields
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