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Title: Measuring the ultrafast correlation dynamics between the Q x and Q y bands in chlorophyll molecules
Authors: Khyasudeen, M. Faisal
Nowakowski, Paweł J.
Tan, Howe-Siang
Keywords: Science::Chemistry
Issue Date: 2019
Source: Khyasudeen, M. F., Nowakowski, P. J., & Tan, H.-S. (2019). Measuring the Ultrafast Correlation Dynamics between the Qx and Qy Bands in Chlorophyll Molecules. The Journal of Physical Chemistry B, 123(6), 1359–1364. doi:10.1021/acs.jpcb.9b00099
Journal: The journal of physical chemistry B
Abstract: We use two-dimensional electronic spectroscopy to measure the ultrafast correlation dynamics between the Q x and Q y transitions in chlorophyll molecules. We derive a variation to the center line slope method to quantify the frequency fluctuation cross-correlation function, C xy( Tw). Compared with the frequency fluctuation correlation function of the Q y transition, we observe that there is only a minimal correlation between the Q x and Q y transition, even at the ultrashort timescale of ∼100 fs, which then decays to zero in a time scale of ∼2 ps.
ISSN: 1520-6106
DOI: 10.1021/acs.jpcb.9b00099
Rights: This document is the Accepted Manuscript version of a Published Work that appeared in final form in The journal of physical chemistry B, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see
Fulltext Permission: open
Fulltext Availability: With Fulltext
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