Imaging density disturbances in water with 41.3 attosecond time resolution

Details Imaging density disturbances in water with 41.3 attosecond time resolution Imaging density disturbances in water with 41.3 attosecond time resolution

2003-11-17

arxiv.org/abs/cond-mat/0311373v1

Phys. Rev. Lett., 92, 237401 (2004)

Physics

Condensed Matter

4 pages, 4 color figures

Scientific paper

10.1103/PhysRevLett.92.237401

We show that the momentum flexibility of inelastic x-ray scattering may be exploited to invert its loss function, alowing real time imaging of density disturbances in a medium. We show the disturbance arising from a point source in liquid water, with a resolution of 41.3 attoseconds ($4.13 \times 10^{-17}$ sec) and 1.27 $\AA$ ($1.27 \times 10^{-8}$ cm). This result is used to determine the structure of the electron cloud around a photoexcited molecule in solution, as well as the wake generated in water by a 9 MeV gold ion. We draw an analogy with pump-probe techniques and suggest that energy-loss scattering may be applied more generally to the study of attosecond phenomena.

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