Quantum mechanical treatment of energy transfer in photo synthetic systems in the presence of noise

by Shmuel Gurvits

at Condensed Matter Theory Seminar

Wed, 26 Dec 2018, 13:30
Physics building (#54) room 207

Abstract

Using the wave function approach we derive a new type of Lindblad Master equations describing a cyclic dynamics of energy transfer in photo synthetic systems under the noise which resemble Master equations for the electric current in mesoscopic systems This approach describes in a consistent quantum mechanical way coherent and incoherent dynamics of the energy transfer including fluorescence and photo absorption We applied our results to evaluate energy exciton and fluorescent currents and for investigation of the excess energy dissipation mechanism under intense light conditions Although these effects take place on very different timescales their inclusion is necessary for a consistent description of the exciton dynamics Our approach reproduces both coherent and incoherent dynamics of exciton motion along the antenna in the presence of vibrational modes and noise We applied our results to evaluate energy exciton and fluorescent currents as a function of sunlight intensity

Created on 20-12-2018 by Bar Lev, Yevgeny (ybarlev)
Updaded on 20-12-2018 by Bar Lev, Yevgeny (ybarlev)