Multiscale wavelet decomposition of time-resolved X-ray diffraction signals in cyclohexadiene.

Abstract:

:We demonstrate how the wavelet transform, which is a powerful tool for compression, filtering, and scaling analysis of signals, may be used to separate large- and short-scale electron density features in X-ray diffraction patterns. Wavelets can isolate the electron density associated with delocalized bonds from the much stronger background of highly localized core electrons. The wavelet-processed signals clearly reveal the bond formation and breaking in the early steps of the photoinduced pericyclic ring opening reaction of 1,3-cyclohexadiene, which are not resolved in the bare signal.

authors

Osipov VA,Kowalewski M,Mukamel S

doi

10.1073/pnas.1811983115

subject

Has Abstract

pub_date

2018-10-09 00:00:00

pages

10269-10274

issue

41

eissn

0027-8424

issn

1091-6490

pii

1811983115

journal_volume

115

pub_type

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