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Topological defects in nematic films between planar degenerate surfaces. A Monte Carlo study

Author

Listed:
  • Cesare Chiccoli

    (INFN, Sezione di Bologna, Via Irnerio 46, 40126 Bologna, Italy)

  • Paolo Pasini

    (INFN, Sezione di Bologna, Via Irnerio 46, 40126 Bologna, Italy)

  • Luiz Roberto Evangelista

    (Departamento Acadêmico de Física, Universidade Tecnológica Federal do Paraná, Campus Apucarana, Rua Marcílio Dias 635, CEP 86812-460 – Apucarana, (PR) Brazil3Departamento de Física, Universidade Estadual de Maringá, Avenida Colombo 5790, 87020-900 Maringá (PR) Brazil)

  • Rodolfo Teixeira de Souza

    (Departamento Acadêmico de Física, Universidade Tecnológica Federal do Paraná, Campus Apucarana, Rua Marcílio Dias 635, CEP 86812-460 – Apucarana, (PR) Brazil3Departamento de Física, Universidade Estadual de Maringá, Avenida Colombo 5790, 87020-900 Maringá (PR) Brazil)

  • Claudio Zannoni

    (Dipartimento di Chimica Industriale, “Toso Montanari†and INSTM, Università di Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy)

Abstract

The molecular organization of a nematic film sandwiched between two planar randomly aligned surfaces is studied by means of detailed Monte Carlo simulations. The formation as well as the evolution of topological defects induced by these particular boundary conditions are investigated. The resulting defect structure is compared with the one induced by hybrid aligned surfaces. The observation of such defects and some features of their structures can be associated with geometric parameters of the film and with properties of the confining surfaces.

Suggested Citation

  • Cesare Chiccoli & Paolo Pasini & Luiz Roberto Evangelista & Rodolfo Teixeira de Souza & Claudio Zannoni, 2022. "Topological defects in nematic films between planar degenerate surfaces. A Monte Carlo study," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 33(02), pages 1-12, February.
    • Handle: RePEc:wsi:ijmpcx:v:33:y:2022:i:02:n:s0129183122500164
    DOI: 10.1142/S0129183122500164
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