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Hamdi R, Lombardo G, de Santo MP, et al. Biaxial coherence length in a nematic π-cell. Eur Phys J E Soft Matter. 2013;36(10):115doi: 10.1140/epje/i2013-13115-y.
Hamdi, R., Lombardo, G., de Santo, M. P., & Barberi, R. (2013). Biaxial coherence length in a nematic π-cell. The European physical journal. E, Soft matter, 36(10), 115. https://doi.org/10.1140/epje/i2013-13115-y
Hamdi, R, et al. "Biaxial coherence length in a nematic π-cell." The European physical journal. E, Soft matter vol. 36,10 (2013): 115. doi: https://doi.org/10.1140/epje/i2013-13115-y
Hamdi R, Lombardo G, de Santo MP, Barberi R. Biaxial coherence length in a nematic π-cell. Eur Phys J E Soft Matter. 2013 Oct;36(10):115. doi: 10.1140/epje/i2013-13115-y. Epub 2013 Oct 16. PMID: 24122278.
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Eur Phys J E Soft Matter. 2013 Oct;36(10):115. doi: 10.1140/epje/i2013-13115-y. Epub 2013 Oct 16.

Biaxial coherence length in a nematic π-cell.

The European physical journal. E, Soft matter

R Hamdi, G Lombardo, M P de Santo, R Barberi

Affiliations

  1. Physics Department, University of Calabria, 87036, Rende, Italy, [email protected].

PMID: 24122278 DOI: 10.1140/epje/i2013-13115-y

Abstract

In a highly frustrated calamitic nematic phase, the strain can be relaxed by lowering the nematic order: the starting uniaxial symmetry can be broken and it can be replaced locally with transient biaxial domains. Using simple optical retardation measurements, we estimate the length scale over which the biaxial disturbance decays in space within a π-cell submitted to a weak electric field. We also characterise the transition cascade from the uniaxial splay texture to a bend texture through slow defect motion.

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