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17 papers · 1 filter
Short-time dynamics of a family of XY noncollinear magnets
S. Bekhechi, B. W. Southern, A. Peles +1
Critical scaling and universality in the short-time dynamics for antiferromagnetic models on a three-dimensional stacked triangular lattice are investigated using Monte Carlo simul…
Large gaps between the zeros of the Riemann zeta function
Nathan Ng
We show that the generalized Riemann hypothesis implies that there are infinitely many consecutive zeros of the Riemann zeta function whose spacing is 2.9125 times larger than the…
About low field memory and negative magnetization in semiconductors and polymers
I. Bulyzhenkov, A. -M. Lamarche, G. Lamarche
Ginzburg-Landau bulk magnetization of itinerant electrons can provide a negative effective field in the Weiss model by coupling to localized magnetic moments. The coupling enforces…
The isometry group of the Urysohn space as a Levy group
Vladimir Pestov
We prove that the isometry group $\Iso(\Ur)$ of the universal Urysohn metric space $\Ur$ equipped with the natural Polish topology is a Lévy group in the sense of Gromov and Milman…
Transport properties of nano-devices: One-dimensional model study
Zhongxi Zhang, C. F. Destefani, Chris McDonald +1
A 1D model study of charge transport in nano-devices is made by comparing multi-configuration time dependent Hartree-Fock and frozen core calculations. The influence of exchange an…
A geometric boson-fermion correspondence
Alistair Savage
The fixed points of a natural torus action on the Hilbert schemes of points in C^2 are quiver varieties of infinite type A. The equivariant cohomology of the Hilbert schemes and qu…