When: Friday May 13 from 11:30 AM to 12:30 PM
Where: Mallinckrodt 217
What: Justin Caram (Engel group, UChicago) is visiting:
Title: "Extracting structure and dynamics of excitonic coherences
using two dimensional electronic spectroscopy"
Abstract: Two dimensional electronic spectroscopy is a powerful
method for acquiring spectral information with both high time and
frequency resolution. In multi-chromophore systems such as the
Fenna-Mathews-Olson complex, this added resolution has allowed us to
observe the unique signature of long-lived excitonic coherences, which
persist on the time scale of energy transfer. By using more complex
analysis strategies we have also begun to understand both the dynamics
and the structure of these coherences with the hope of gaining insight
into the molecular mechanism by which these coherences are preserved,
especially in the soft-wet environment of a protein.
--
Joel Yuen-Zhou
PhD candidate in Chemical Physics
Harvard University CCB,
12 Oxford St. Mailbox 107,
Cambridge, MA, USA.
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