Pallavi Bhattacharyya

Publications12
h-index5
Citations70
Highly Influential Citations1
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Adiabatic eigenfunction-based approach for coherent excitation transfer: an almost analytical treatment of the Fenna-Matthews-Olson complex.
TLDR
It is found that decoherence causes only damping of oscillations and does not lead to transfer to the reaction center, in agreement with earlier findings.
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Two-dimensional electronic vibrational spectroscopy and ultrafast excitonic and vibronic photosynthetic energy transfer.
TLDR
An application to the energy transfer pathway in the major light harvesting protein, LHCII, is described, providing new data on the center line slopes (CLS) of the spectral peaks of the 2DEV method.
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Two-Dimensional Electronic-Vibrational Spectroscopy of Coupled Molecular Complexes: A Near-Analytical Approach.
TLDR
Although the interpretation of 2DEV spectra is considerably more complex than that for weakly coupled systems, the richness of the spectra and the necessity to consider both visible and infrared transition moments suggest that such analysis will be very valuable in characterizing the role of vibronic effects in ultrafast molecular dynamics.
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Adiabatic eigenfunction based approach to coherent transfer: application to the Fenna-Matthews-Olson (FMO) complex and the role of correlations in the efficiency of energy transfer.
TLDR
These calculations suggest that the presence of anticorrelations, in contrast to correlations, make the excitation transfer more facile, and a Markovian type of master equation could be used for evaluating the population relaxation.
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The role of resonant nuclear modes in vibrationally assisted energy transport: The LHCII complex.
TLDR
It is conclusively show that resonant vibrations are capable of boosting the incoherent population relaxation pathways and cause rapid decoherence in light-harvesting complexes.
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Two-dimensional electronic-vibrational spectroscopy: Exploring the interplay of electrons and nuclei in excited state molecular dynamics.
TLDR
2DEVS has already proven to be a valuable addition to the tool box of ultrafast nonlinear optical spectroscopy and is of promising potential in future efforts to explore the intricate connection between electronic and vibrational nuclear degrees of freedom in energy and charge transport applications.
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Quantum Ratcheted Photophysics in Energy Transport.
TLDR
While resonance is desirable, a moderate electronic coupling has a stronger positive effect in contrast to a large electronic coupling which results in delocalised excitations across molecules and hampers unidirectional transport.
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The many footprints of Henry Eyring
Henry Eyring is most well-known as the proponent of the activated complex (transition state) theory for chemical reactions. He was also the one to construct the first Potential Energy Surface along…
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An Almost Analytical Approach to Simulating 2D Electronic Spectra
We introduce an almost analytical method to simulate 2D electronic spectra as a double Fourier transform of the the non-linear response function (NRF) corresponding to a particular optical pulse…
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Analytical Treatment of Coherent Excitation Transfer in FMO Complex
We suggest a new method of studying coherence in finite level systems coupled to the environment and use it for the Hamiltonian that has been used to describe the light-harvesting pigment-protein…
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