Abstract
We investigate interface dynamics in 1+1 dimensions, respecting reflection symmetry. In the continuum approach of Kardar, Parisi, and Zhang, the leading nonlinearity is then of the form (∇h t)3. On the basis of Monte Carlo simulations for a driven lattice gas, we argue that the nonlinearity is marginally irrelevant. Thus, the universality class is the one of equilibrium interfaces with a purely relaxational bulk dynamics.
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Devillard, P., Spohn, H. Universality class of interface growth with reflection symmetry. J Stat Phys 66, 1089–1099 (1992). https://doi.org/10.1007/BF01055718
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DOI: https://doi.org/10.1007/BF01055718