LATTICE SPIN SIMULATIONS OF TOPOLOGICAL DEFECTS IN BIAXIAL NEMATIC FILMS WITH HOMEOTROPIC SURFACE ALIGNMENT

Gouripeddi Sai Preeti, Claudio Zannoni, Cesare Chiccoli, Paolo Pasini () and Vanka S. S. Sastry
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Gouripeddi Sai Preeti: Dipartimento di Chimica Industriale "Toso Montanari", Viale Risorgimento 4, 40136 Bologna, Italy
Claudio Zannoni: Dipartimento di Chimica Industriale "Toso Montanari", Viale Risorgimento 4, 40136 Bologna, Italy
Cesare Chiccoli: INFN, Sezione di Bologna, Via Irnerio 46, 40126 Bologna, Italy
Paolo Pasini: INFN, Sezione di Bologna, Via Irnerio 46, 40126 Bologna, Italy
Vanka S. S. Sastry: School of Physics, University of Hyderabad, Hyderabad, India

International Journal of Modern Physics C (IJMPC), 2013, vol. 24, issue 05, 1-10

Abstract: We present a detailed Monte Carlo study of the effects of biaxiality on the textures of nematic films with specific homeotropic boundary conditions. We have used the Straley generalized Hamiltonian for a wide range of biaxial parameters and the differences obtained in the polarized microscopy images are analyzed for the various cases.

Keywords: Computer simulation; Monte Carlo; biaxial nematics; topological defects; 61.30.Cz; 61.30.Gd; 61.30.Jf; 62.20.dq (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1142/S0129183113500265

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