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5 papers · 2 filters
P-wave Feshbach resonances of ultra-cold Li
J. Zhang, E. G. M. Van Kempen, T. Bourdel +7
We report the observation of three p-wave Feshbach resonances of Li atoms in the lowest hyperfine state . The positions of the resonances are in good agreement with theo…
Stark Effect in Lax-Phillips Theory
Tamar Ben Ari, L. P. Horwitz
The scattering theory of Lax and Phillips, originally developed to describe resonances associated with classical wave equations, has been recently extended to apply as well to the…
Ordered and periodic chaos of the bounded one dimensinal multibarrier potential
D. Bar
Numerical analysis indicates that there exists an unexpected new ordered chaos for the bounded one-dimensional multibarrier potential. For certain values of the number of barriers,…
Scattering by one-dimensional smooth potentials: between WKB and Born approximation
K. Yu. Bliokh, V. D. Freilikher, N. M. Makarov
The paper discusses the applicability of WKB and Born (small perturbations) approximations in the problem of the backscattering of quantum particles and classical waves by one-dime…
Spin Gauge Fields: from Berry Phase to Topological Spin Transport and Hall Effects
K. Yu. Bliokh, Yu. P. Bliokh
The paper examines the emergence of gauge fields during the evolution of a particle with a spin that is described by a matrix Hamiltonian with n different eigenvalues. It is shown…