Exact solutions of integrable 2D contour dynamics

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2005

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Medina Reus, Elena
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Elsevier Science BV
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[1] P. Wiegmann, A. Zabrodin, Commun. Math. Phys. 213 (2000) 523, hep-th/9909147. [2] A. Marshakov, P. Wiegmann, A. Zabrodin, Commun. Math. Phys. 227 (2002) 131, hep-th/0109048. [3] M. Mineev-Weinstein, P. Wiegmann, A. Zabrodin, Phys. Rev. Lett. 84 (2000) 5106, nlin.SI/0001007. [4] O. Agam, E. Bettelheim, P. Wiegmann, A. Zabrodin, Phys. Rev. Lett. 88 (2002) 236801, cond-mat/0111333. [5] A. Boyarsky, A. Marsahakov, O. Ruchaysky, P. Wiegmann, A. Zabrodin, Phys. Lett. B 515 (2001) 483, hep-th/0105260. [6] V. Kazakov, A. Marsahakov, J. Phys. A 36 (2003) 3107, hepth/0211236. [7] R. Teodorescu, E. Bettelheim, O. Agam, A. Zabrodin, P. Wiegmann, hep-th/0401165. [8] D. Bensimon, L.P. Kadanoff, S. Liang, B.I. Shraiman, C. Tang, Rev. Mod. Phys. 58 (1986) 977. [9] P. Di Francesco, P. Ginsparg, J. Zinn-Justin, Phys. Rep. 254 (1995) 1. [10] K. Takasaki, T. Takebe, Lett. Math. Phys. 23 (1991) 205. [11] K. Takasaki, T. Takebe, Lett. Math. Phys. 28 (1993) 165. [12] K. Takasaki, T. Takebe, Rev. Math. Phys. 7 (1995) 743.
Abstract
A class of exact solutions of the dispersionless Toda hierarchy constrained by a string equation is obtained. These solutions represent deformations of analytic curves with a finite number of nonzero harmonic moments. The corresponding tau-functions are determined and the emergence of cusps is studied.
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©2005 Elsevier B.V. All rights reserved.
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