Zobrazeno 1 - 10
of 239
pro vyhledávání: '"Witten, Thomas A"'
Autor:
Kim, Hojin, van der Naald, Michael, Braaten, Finn A., Witten, Thomas A., Rowan, Stuart J., Jaeger, Heinrich M.
Control of frictional interactions among liquid-suspended particles has led to tunable, strikingly non-Newtonian rheology via the formation of strong flow constraints as particles come into close proximity under shear. Typically, these frictional int
Externí odkaz:
http://arxiv.org/abs/2406.06222
Autor:
Yu, Jaehyung, Scheibner, Colin, Liang, Ce, Witten, Thomas A., Vitelli, Vincenzo, Park, Jiwoong
Atomically thin films, like transition metal dichalcogenides, can now be synthesized at wafer scale, achieving the same extreme aspect ratio (~10^8) that a sheet of paper would have if it covered an entire city. Yet, the intrinsic (i.e. unconfined) t
Externí odkaz:
http://arxiv.org/abs/2311.05096
Publikováno v:
Journal of Fluid Mechanics, 992 (2024)
Chiral fluids - such as fluids under rotation or a magnetic field as well as synthetic and biological active fluids - flow in a different way than ordinary ones. Due to symmetries broken at the microscopic level, chiral fluids may have asymmetric str
Externí odkaz:
http://arxiv.org/abs/2310.17528
Autor:
Movsheva, Anna, Witten, Thomas A.
Granular convergence is a property of a granular pack as it is repeatedly sheared in a cyclic, quasistatic fashion, as the packing configuration changes via discrete events. Under suitable conditions the set of microscopic configurations encountered
Externí odkaz:
http://arxiv.org/abs/2308.12849
Single-mode deformations of two-dimensional materials, such as the Miura-ori zig-zag fold, are important to the design of deployable structures because of their robustness; these usually require careful pre-patterning of the material. Here we show th
Externí odkaz:
http://arxiv.org/abs/2206.03552
Autor:
Song, Yunxiang, Witten, Thomas A.
Random perturbations applied in tandem to an ensemble of oscillating objects can synchronize their motion. We study multiple copies of an arbitrary dynamical system in a stable limit cycle, described via a standard phase reduction picture. The copies
Externí odkaz:
http://arxiv.org/abs/2108.13172
Autor:
Witten, Thomas A., Diamant, Haim
This review treats asymmetric colloidal particles moving through their host fluid under the action of some form of propulsion. The propulsion can come from an external body force or from external shear flow. It may also come from externally-induced s
Externí odkaz:
http://arxiv.org/abs/2003.03698
The annual temperature cycle of the earth closely follows the annual cycle of solar flux. At temperate latitudes, both driving and response cycles are well described by a strong annual sinusoidal component and a non-vanishing semiannual component. A
Externí odkaz:
http://arxiv.org/abs/2003.01521
Publikováno v:
Phys. Rev. E 101, 062608 (2020)
Asymmetrically charged, nonspherical colloidal particles in general perform complex rotations and oblique motions under an electric field. The interplay of electrostatic and hydrodynamic forces complicate the prediction of these motions. We demonstra
Externí odkaz:
http://arxiv.org/abs/1912.13090
Autor:
Ludwig, Nicholas B., Weirich, Kimberly, Alster, Eli, Witten, Thomas A., Gardel, Margaret L., Dasbiswas, Kinjal, Vaikuntanathan, Suriyanarayanan
Recent experiments have shown how nematically-ordered tactoid shaped actin droplets can be reorganized and divided by the action of myosin molecular motors. In this paper, we consider how similar morphological changes can potentially be achieved unde
Externí odkaz:
http://arxiv.org/abs/1909.03481