Fractional Brownian motion of director fluctuations in nematic ordering

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Standard

Fractional Brownian motion of director fluctuations in nematic ordering. / Zhang, Z.; Mouritsen, O. G.; Otnes, K.; Riste, T.; Zuckermann, M. J.

In: Physical Review Letters, Vol. 70, No. 12, 1993, p. 1834-1837.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Zhang, Z, Mouritsen, OG, Otnes, K, Riste, T & Zuckermann, MJ 1993, 'Fractional Brownian motion of director fluctuations in nematic ordering', Physical Review Letters, vol. 70, no. 12, pp. 1834-1837. https://doi.org/10.1103/PhysRevLett.70.1834

APA

Zhang, Z., Mouritsen, O. G., Otnes, K., Riste, T., & Zuckermann, M. J. (1993). Fractional Brownian motion of director fluctuations in nematic ordering. Physical Review Letters, 70(12), 1834-1837. https://doi.org/10.1103/PhysRevLett.70.1834

Vancouver

Zhang Z, Mouritsen OG, Otnes K, Riste T, Zuckermann MJ. Fractional Brownian motion of director fluctuations in nematic ordering. Physical Review Letters. 1993;70(12):1834-1837. https://doi.org/10.1103/PhysRevLett.70.1834

Author

Zhang, Z. ; Mouritsen, O. G. ; Otnes, K. ; Riste, T. ; Zuckermann, M. J. / Fractional Brownian motion of director fluctuations in nematic ordering. In: Physical Review Letters. 1993 ; Vol. 70, No. 12. pp. 1834-1837.

Bibtex

@article{7a6b70ae1c98443ab69276186793c766,
title = "Fractional Brownian motion of director fluctuations in nematic ordering",
abstract = "Temporal director fluctuations in nematic ordering were studied by computer simulation on the Lebwohl-Lasher model as well as by neutron-scattering experiments on the nematogen d-PAA. The time-series data have been analyzed by the rescaled-range method and in terms of the power spectrum in order to determine the Hurst exponent H. Theory and experiment are in good agreement. A value of H1 was found for the nematic phase, characterizing fractional Brownian motion, whereas H0.5, reflecting ordinary Brownian motion, applies in the isotropic phase. Field-induced crossover from fractional to ordinary Brownian motion was observed in the nematic phase.",
author = "Z. Zhang and Mouritsen, {O. G.} and K. Otnes and T. Riste and Zuckermann, {M. J.}",
year = "1993",
doi = "10.1103/PhysRevLett.70.1834",
language = "English",
volume = "70",
pages = "1834--1837",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "12",

}

RIS

TY - JOUR

T1 - Fractional Brownian motion of director fluctuations in nematic ordering

AU - Zhang, Z.

AU - Mouritsen, O. G.

AU - Otnes, K.

AU - Riste, T.

AU - Zuckermann, M. J.

PY - 1993

Y1 - 1993

N2 - Temporal director fluctuations in nematic ordering were studied by computer simulation on the Lebwohl-Lasher model as well as by neutron-scattering experiments on the nematogen d-PAA. The time-series data have been analyzed by the rescaled-range method and in terms of the power spectrum in order to determine the Hurst exponent H. Theory and experiment are in good agreement. A value of H1 was found for the nematic phase, characterizing fractional Brownian motion, whereas H0.5, reflecting ordinary Brownian motion, applies in the isotropic phase. Field-induced crossover from fractional to ordinary Brownian motion was observed in the nematic phase.

AB - Temporal director fluctuations in nematic ordering were studied by computer simulation on the Lebwohl-Lasher model as well as by neutron-scattering experiments on the nematogen d-PAA. The time-series data have been analyzed by the rescaled-range method and in terms of the power spectrum in order to determine the Hurst exponent H. Theory and experiment are in good agreement. A value of H1 was found for the nematic phase, characterizing fractional Brownian motion, whereas H0.5, reflecting ordinary Brownian motion, applies in the isotropic phase. Field-induced crossover from fractional to ordinary Brownian motion was observed in the nematic phase.

U2 - 10.1103/PhysRevLett.70.1834

DO - 10.1103/PhysRevLett.70.1834

M3 - Journal article

AN - SCOPUS:0347311515

VL - 70

SP - 1834

EP - 1837

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 12

ER -

ID: 236890452