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6 papers · 2 filters
Electron-electron dynamics in laser-induced nonsequential double ionization
C. Figueira de Morisson Faria, X. Liu, H. Schomerus +1
For the description of nonsequential double ionization (NSDI) of rare-gas atoms by a strong linearly polarized laser field, the quantum-mechanical -matrix diagram that incorpora…
Ultrahigh harmonics from laser-assisted ion-atom collisions
Manfred Lein, Jan M. Rost
We present a theoretical analysis of high-order harmonic generation from ion-atom collisions in the presence of linearly polarized intense laser pulses. Photons with frequencies si…
Interchannel coupling effects in the spin polarization of energetic photoelectrons
Himadri S. Chakraborty, Pranawa C. Deshmukh, Steven T. Manson
Effects of the interchannel coupling on the spin polarization of energetic photoelectrons emitted from atomic Ne valence subshells are examined. Like previously obtained results fo…
Quasiclassical double photoionization from the 2^{1,3}S excited states of helium including shakeoff
A. Emmanouilidou, T. Schneider, J. -M. Rost
We account for the different symmetries of the 2^{1,3}S helium excited states in a quasiclassical description of the knockout mechanism augmented by a quantum shakeoff contribution…
Plasma formation from ultracold Rydberg gases
T. Pohl, T. Pattard, J. M. Rost
Recent experiments have demonstrated the spontaneous evolution of a gas of ultracold Rydberg atoms into an expanding ultracold plasma, as well as the reverse process of plasma reco…
Interdimensional degeneracies for a quantum three-body system in D dimensions
Xiao-Yan Gu, Zhong-Qi Ma, Bin Duan
A new approach is developed to derive the complete spectrum of exact interdimensional degeneracies for a quantum three-body system in D-dimensions. The new method gives a generaliz…