The core structure of nematic defects cannot be represented by the usual director field, but requires the description by the full orial calculus.
DOI:https://doi.org/10.1103/PhysRevE.52.718
©1995 American Physical Society
A. Sonnet, A. Kilian, and S. Hess
Vol. 52, Iss. 1 — July 1995
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