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Shared-mode assisted resonant energy transfer in the weak coupling regime
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10.1063/1.3140273
/content/aip/journal/jcp/130/21/10.1063/1.3140273
http://aip.metastore.ingenta.com/content/aip/journal/jcp/130/21/10.1063/1.3140273

Figures

Image of FIG. 1.
FIG. 1.

Schematic representation of the potential energy surfaces for ground state and local excited states ( and ) in the Gaussian approximation with same (a) and opposite (b) sign displacements.

Image of FIG. 2.
FIG. 2.

Envelope of the effective spectral overlap as a function of the D-A electronic gap for different values and signs of the electron-phonon couplings and . The thick line is the Förster result. The thin and dashed lines correspond to displacements with opposite and same signs, respectively. and .

Image of FIG. 3.
FIG. 3.

Value of the D-A electronic gap that maximizes the spectral overlap factor as a function of the excitation-phonon coupling on the D in the case of: (i) independent modes (Förster case, thick line); (ii) one single nonlocal vibrational mode (non-Förster case, with and opposite sign displacements, thin line); (iii) same as (ii) for same sign displacements (dashed line). and .

Image of FIG. 4.
FIG. 4.

Spectral overlap (dashed line) of the area-normalized D emission lineshape (dash-dotted line) and area-normalized A absorption lineshape (solid line) for the two low energy bilins of phycocyanin 645 (PC645) from cryptophyte algae Chroomonas CCMP270. Lineshapes correspond to D and A transition energies of 1.94 and 1.92 eV, respectively (see text for details).

Tables

Generic image for table
Table I.

Spectral overlap factors between the two low energy bilins of PC645 obtained by assuming independent nuclear modes or the possibility that one mode is shared between donor and acceptor assuming opposite sign displacements. Donor transition energy is 1.94 eV, while acceptor one is taken to be 1.93, 1.92, and 1.91 eV. The column labeled “% change” gives the percentage change from value of with no shared mode and the value of in that row.

Generic image for table
Table II.

Spectral overlap factors between the two low energy bilins of PC645 obtained by assuming independent nuclear modes or the possibility that one mode is shared between donor and acceptor assuming same sign displacements. Donor transition energy is 1.94 eV, while acceptor one is taken to be 1.93, 1.92, and 1.91 eV. The column labeled “% change” gives the percentage change from value of with no shared mode and the value of in that row.

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/content/aip/journal/jcp/130/21/10.1063/1.3140273
2009-06-02
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Shared-mode assisted resonant energy transfer in the weak coupling regime
http://aip.metastore.ingenta.com/content/aip/journal/jcp/130/21/10.1063/1.3140273
10.1063/1.3140273
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