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7 papers · 2 filters
Spontaneous avalanche ionization of a strongly blockaded Rydberg gas
M. Robert-de-Saint-Vincent, C. S. Hofmann, H. Schempp +3
We report the sudden and spontaneous evolution of an initially correlated gas of repulsively interacting Rydberg atoms to an ultracold plasma. Under continuous laser coupling we cr…
Relativistic polarization analysis of Rayleigh scattering by atomic hydrogen
Laleh Safari, Pedro Amaro, Stephan Fritzsche +3
A relativistic analysis of the polarization properties of light elastically scattered by atomic hydrogen is performed, based on the Dirac equation and second order perturbation the…
Solution of two-center time-dependent Dirac equation in spherical coordinates: Application of the multipole expansion of the electron-nuclei interaction
S. R. McConnell, A. N. Artemyev, M. Mai +1
A non-perturbative approach to the solution of the time-dependent, two-center Dirac equation is presented with a special emphasis on the proper treatment of the potential of the nu…
Enhancement of Blackbody Friction due to the Finite Lifetime of Atomic Levels
G. Lach, M. DeKieviet, U. D. Jentschura
The thermal friction force acting on an atom moving relative to a thermal photon bath is known to be proportional to an integral over the imaginary part of the frequency-dependent…
Angular and polarization correlations in two--photon decay of hyperfine 2s states in hydrogenlike ions
Filippo Fratini
The angular and polarization properties of the photon pair emitted in the two--photon decay of hyperfine states in hydrogenlike ions are investigated within the relativistic D…
Relativistic total cross section and angular distribution for Rayleigh scattering by atomic hydrogen
L. Safari, P. Amaro, S. Fritzche +2
We study the total cross section and angular distribution in Rayleigh scattering by hydrogen atom in the ground state, within the framework of Dirac relativistic equation and secon…