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[en] A new exponent characterizing the rounding of crystal facets is found by mapping a crystal surface onto the asymmetric six-vertex model (i.e. with external fields h and ) and using the Bethe ansatz to obtain appropriate expansions of the free energy close to criticality. Leading order exponents in , are determined along the whole phase boundary and in an arbitrary direction. A possible experimental verification of this result is discussed. (special issue in memory of vladimir rittenberg)
Journal
Journal of Statistical Mechanics; ISSN 1742-5468; 
; v. 2019(10); [12 p.]
; v. 2019(10); [12 p.]