Double-quantum resonances and exciton-scattering in coherent 2D spectroscopy of photosynthetic complexes | Zendy

Darius Abramavičius | Zendy; Dmitri V. Voronine | Zendy; Shaul Mukamel | Zendy

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Double-quantum resonances and exciton-scattering in coherent 2D spectroscopy of photosynthetic complexes

Author(s) -

Darius Abramavičius,

Dmitri V. Voronine,

Shaul Mukamel

Publication year - 2008

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.0802926105

Subject(s) - exciton , quasiparticle , spectroscopy , scattering , physics , spectral line , biexciton , wave function , molecular physics , chemistry , quantum , atomic physics , quantum mechanics , superconductivity

A simulation study demonstrates how the nonlinear optical response of the Fenna-Matthews-Olson photosynthetic light-harvesting complex may be explored by a sequence of laser pulses specifically designed to probe the correlated dynamics of double excitations. Cross peaks in the 2D correlation plots of the spectra reveal projections of the double-exciton wavefunctions onto a basis of direct products of single excitons. An alternative physical interpretation of these signals in terms of quasiparticle scattering is developed.

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