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17 papers · 1 filter
Event-Driven Dynamics of Rigid Bodies Interacting via Discretized Potentials
Ramses van Zon, Jeremy Schofield
A framework for performing event-driven, adaptive time step simulations of systems of rigid bodies interacting under stepped or terraced potentials in which the potential energy is…
Kirwan surjectivity in K-theory for Hamiltonian loop group quotients
Megumi Harada, Paul Selick
Let G be a compact Lie group and LG its associated loop group. The main result of this manuscript is a surjectivity theorem from the equivariant K-theory of a Hamiltonian LG-space…
Hydrodynamic model for relaxation of optically injected currents in quantum wells
R. M. Abrarov, E. Ya. Sherman, J. E. Sipe
We use a hydrodynamic model to describe the relaxation of optically injected currents in quantum wells on a picosecond time scale, numerically solving the continuity and velocity e…
Character and detectability of the dark ages and the epoch of reionization: the view from the simulations
Ilian T. Iliev, Garrelt Mellema, Ue-Li Pen +1
Direct detection of the Dark Ages and the Epoch of Reionization (EOR) is among the main scientific objectives of all current and future low-frequency radio facilities. In this pape…
The zero-product problem for Toeplitz operators with radial symbols
Trieu Le
For any bounded measurable function on the unit ball , let be the Toeplitz operator with symbol acting on the Bergman space . The Zero-Product Problem…
Kondo Effect in Spin Chains
Nicolas Laflorencie, Erik S. Sørensen, Ian Affleck
The free electron Kondo problem can be described by a one-dimensional (1D) model because only the s-wave part of the electronic wave-function is affected by the Kondo coupling. Sin…