Active particles confined to a spherical viscous interface undergo a finite-wavelength instability whose selected mode arises from the competition between vesicle radius and Saffman-Delbrück length, confirmed by linear analysis and nonlinear simulations using spin-weighted spherical harmonics.
& W/h.pc/a.pc/l.pc/e.pc, B.2014 Numerical evolutions of fields on the 2- sphere using a spectral method based on spin-weighted spher ical harmonics
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Collective dynamics of active suspensions on curved viscous interfaces
Active particles confined to a spherical viscous interface undergo a finite-wavelength instability whose selected mode arises from the competition between vesicle radius and Saffman-Delbrück length, confirmed by linear analysis and nonlinear simulations using spin-weighted spherical harmonics.