Microscopic origin of tunable assembly forces in chiral active environments

Batton, Clay H.; Rotskoff, Grant M.

doi:10.1039/d4sm00247d

Soft Matter

2024

DOI: 10.1039/d4sm00247d

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Microscopic origin of tunable assembly forces in chiral active environments

Clay H. Batton,

Grant M. Rotskoff

Abstract: Chiral active matter generates strong assembly forces for passive solute particles and provides a novel route to form structures not found in equilibrium.

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2024

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Dance of odd-diffusive particles: A Fourier approach

Langer,

Sharma,

Metzler

et al. 2024

Phys. Rev. Research

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Odd-diffusive systems are characterized by transverse responses and exhibit unconventional behaviors in interacting systems. To address the dynamical interparticle rearrangements in a minimal system, we here exactly solve the problem of two hard disklike interacting odd-diffusing particles. We calculate the probability density function (PDF) of the interacting particles in the Fourier-Laplace domain and find that oddness rotates all modes except the zeroth, resembling a mutual rolling of interacting odd particles. We show that only the first Fourier mode of the PDF, the polarization, enters the calculation of the force autocorrelation function (FACF) for generic systems with central-force interactions. An analysis of the polarization as a function of time reveals that the relative rotation angle between interacting particles overshoots before relaxation, thereby rationalizing the recently observed oscillating FACF in odd-diffusive systems [Kalz , ]. Published by the American Physical Society 2024

show abstract

Dance of odd-diffusive particles: A Fourier approach

Langer,

Sharma,

Metzler

et al. 2024

Phys. Rev. Research

View full text Add to dashboard Cite

show abstract

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Microscopic origin of tunable assembly forces in chiral active environments

Abstract: Chiral active matter generates strong assembly forces for passive solute particles and provides a novel route to form structures not found in equilibrium.

Cited by 1 publication

References 58 publications

Dance of odd-diffusive particles: A Fourier approach

Dance of odd-diffusive particles: A Fourier approach

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