Use of electron correlation to make attosecond measurements without attosecond pulses

We describe how correlations between electrons can be used to trace the dynamics of correlated two-electron ionization with attosecond precision, without using attosecond pulses. The approach is illustrated using the example of Auger or Coster-Kronig decay triggered by photoionization with an extrem...

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Bibliographic Details
Published in:Physical review letters 2005-06, Vol.94 (21), p.213001.1-213001.4, Article 213001
Main Authors: SMIMOVA, Olga, YAKOVLEV, Vladislav S, IVANOV, Misha
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
AUGER ELECTRON SPECTROSCOPY
COSTER-KRONIG TRANSITIONS
ELECTRON CORRELATION
ELECTRONS
ENERGY SPECTRA
Exact sciences and technology
EXTREME ULTRAVIOLET RADIATION
High-speed techniques (microsecond to femtosecond)
Infrared, submillimeter wave, microwave and radiowave instruments, equipment and techniques
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Laboratory procedures
LASERS
Metrology, measurements and laboratory procedures
PARTICLE DECAY
PHOTOELECTRON SPECTROSCOPY
PHOTOIONIZATION
PHOTON-ATOM COLLISIONS
Physics
PULSES
TIME RESOLUTION
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Summary:We describe how correlations between electrons can be used to trace the dynamics of correlated two-electron ionization with attosecond precision, without using attosecond pulses. The approach is illustrated using the example of Auger or Coster-Kronig decay triggered by photoionization with an extreme ultraviolet pulse. It requires correlated measurements of angle-resolved energy spectra of both the photo- and Auger electrons in the presence of a laser pulse. To reconstruct the dynamics, we use not only classical time and energy correlation, but also entanglement between the two electrons.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.94.213001