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Molecules and Chromophore Aggregate Systems

In this theme, we aim to: (i) understand how symmetry breaking in molecules impacts vibronic coherence; (ii) probe the role of coherent exciton motion in the subsequent production of spin-coherent electron-hole pairs; (iii) elucidate ratcheting schemes, guided by theory, that enable direct coherent, lossless flow of energy; (iv) examine how spin delocalization in an extended p systems controls spin coherence; (v) explore, using theory and experiment, how coherent electronic superposition states carrying angular momentum may impact charge transfer quantum dynamics.

The Electron paramagnetic resonance (EPR) system in the Wasielewski lab at Northwestern University.
Computations make use of nodes on the Duke Theory cluster, shown here with Dr. Tomasz Janowksi.