{ "id": "1706.03134", "version": "v1", "published": "2017-06-09T21:34:30.000Z", "updated": "2017-06-09T21:34:30.000Z", "title": "Symmetry breaking and restoration in the Ginzburg-Landau model of nematic liquid crystals", "authors": [ "Marcel Clerc", "MichaƂ Kowalczyk", "Panayotis Smyrnelis" ], "comment": "19 pages, 1 figure", "categories": [ "math.AP" ], "abstract": "In this paper we study qualitative properties of global minimizers of the Ginzburg-Landau energy which describes light-matter interaction in the theory of nematic liquid crystals near the Friedrichs transition. This model is depends on two parameters: $\\epsilon>0$ which is small and represents the coherence scale of the system and $a\\geq 0$ which represents the intensity of the applied laser light. In particular we are interested in the phenomenon of symmetry breaking as $a$ and $\\epsilon$ vary. We show that when $a=0$ the global minimizer is radially symmetric and unique and that its symmetry is instantly broken as $a>0$ and then restored for sufficiently large values of $a$. Symmetry breaking is associated with the presence of a new type of topological defect which we named the shadow vortex. The symmetry breaking scenario is a rigorous confirmation of experimental and numerical results obtained in our earlier work.", "revisions": [ { "version": "v1", "updated": "2017-06-09T21:34:30.000Z" } ], "analyses": { "keywords": [ "nematic liquid crystals", "symmetry breaking", "ginzburg-landau model", "restoration", "global minimizer" ], "note": { "typesetting": "TeX", "pages": 19, "language": "en", "license": "arXiv", "status": "editable" } } }