Delayed Electron Emission in the Ionization of Rydberg Atoms with Half-Cycle THz Pulses
Journal Article
·
· Physical Review Letters
- FOM-Institute for Atomic and Molecular Physics, Kruislaan 407, 1098 SJ Amsterdam (The Netherlands)
Electron emission of cesium Rydberg (n{approx}21) atoms ionized with half-cycle THz pulses is investigated using an atomic streak camera. The THz pulses have a peak electric field of 17kV/cm and a duration of less than 1ps. It is found that the atoms do not always emit their electrons instantaneously. Under certain conditions up to 50{percent} of the emitted electrons are ejected 11ps after the time of interaction. The delayed electron emission shows a strong dependence on the direction in which the electrons are kicked, and is interpreted as scattering off the atomic core. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 527052
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 4 Vol. 79; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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