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August 25, 2025EPL (Europhysics Letters)Open Access

Active nematic liquid crystals under a quenched random field

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Authors

YKYutaka KinoshitaTohoku UniversityNUNariya UchidaTohoku University

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Implication

Observational analysis reveals critical disorder impacts flow patterns in active nematic liquid crystals, indicating activity's influence on orientational order.

Key Points

  • The flow velocity in active nematic liquid crystals decreases gradually as randomness increases, indicating a complex interplay with disorder.
  • Above a critical disorder strength, the dynamics of the director become frozen, showcasing a significant threshold effect.
  • The orientational correlation function shows an exponential decay with distance under strong randomness, highlighting its correlation with passive nematics.
  • A detailed examination reveals two regimes—activity-dominated and disorder-dominated—dependent on the activity parameter.

Cite This Study

Kinoshita et al. (2025) studied this question.

synapsesocial.com/papers/68af5f07ad7bf08b1eae17eahttps://doi.org/10.1209/0295-5075/adfee6
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