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- Flatiron Institute67 papers
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20 papers · 1 filter
Computing collision stress in assemblies of active spherocylinders: applications of a fast and generic geometric method
Wen Yan, Huan Zhang, Michael J. Shelley
In this work, we provide a solution to the problem of computing collision stress in particle-tracking simulations. First, a formulation for the collision stress between particles i…
On the accurate evaluation of unsteady Stokes layer potentials in moving two-dimensional geometries
Leslie Greengard, Shidong Jiang, Jun Wang
Two fundamental difficulties are encountered in the numerical evaluation of time-dependent layer potentials. One is the quadratic cost of history dependence, which has been success…
Conductivity in the square lattice Hubbard model at high temperatures: importance of vertex corrections
Jaksa Vucicevic, Jure Kokalj, Rok Zitko +3
Recent experiments on cold atoms in optical lattices allow for a quantitative comparison of the measurements to the conductivity calculations in the square lattice Hubbard model. H…
Discovery of a disrupting open cluster far into the Milky Way halo: a recent star formation event in the leading arm of the Magellanic stream?
Adrian M. Price-Whelan, David L. Nidever, Yumi Choi +4
We report the discovery of a young (), low-mass (), metal-poor () stellar association at a he…
Universal Optical Control of Chiral Superconductors and Majorana Modes
Martin Claassen, Dante M. Kennes, Manuel Zingl +2
Chiral superconductors are a novel class of unconventional superconductors that host topologically protected chiral Majorana fermions at interfaces and domain walls, elusive quasip…
A new mixed potential representation for the equations of unsteady, incompressible flow
Leslie Greengard, Shidong Jiang
We present a new integral representation for the unsteady, incompressible Stokes or Navier-Stokes equations, based on a linear combination of heat and harmonic potentials. For velo…