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573 papers · 1 filter
The Discrete Stochastic Galerkin Method for Hyperbolic Equations with Non-smooth and Random Coefficients
Shi Jin, Zheng Ma
We develop a general polynomial chaos (gPC) based stochastic Galerkin (SG) for hyperbolic equations with random and singular coefficients. Due to the singu- lar nature of the solut…
Degenerate billiards in celestial mechanics
Sergey Bolotin
In an ordinary billiard trajectories of a Hamiltonian system are elastically reflected after a collision with a hypersurface (scatterer). If the scatterer is a submanifold of codim…
Role of magnetic reconnection in MHD turbulence
N. F. Loureiro, S. Boldyrev
The current understanding of MHD turbulence envisions turbulent eddies which are anisotropic in all three directions. In the plane perpendicular to the local mean magnetic field, t…
Arrested coalescence of viscoelastic droplets: Triplet shape and restructuring
Prerna Dahiya, Andrew DeBenedictis, Timothy J. Atherton +4
The stability of shapes formed by three viscoelastic droplets during their arrested coalescence has been investigated using micromanipulation experiments. Addition of a third dropl…
Giant Hall photoconductivity in narrow-gapped Dirac materials
Justin C. W. Song, Mikhail A. Kats
Carrier dynamics acquire a new character in the presence of Bloch-band Berry curvature, which naturally arises in gapped Dirac materials (GDMs). Here we argue that photoresponse in…
Testing sub-gravitational forces on atoms from a miniature, in-vacuum source mass
Matt Jaffe, Philipp Haslinger, Victoria Xu +5
Gravity is the weakest fundamental interaction and the only one that has not been measured at the particle level. Traditional experimental methods, from astronomical observations t…