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08 February 2025
 
  » arxiv » 1609.0160

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Finite Size Corrections to the Excitation Energy Transfer in a Massless Scalar Interaction Model
N. Maeda ; T. Yabuki ; Y. Tobita ; K. Ishikawa ;
Date 1 Sep 2016
AbstractWe study the excitation energy transfer (EET) for a simple model in which a virtual massless scalar particle is exchanged between two molecules. If the time interval is finite, then the finite size effect generally appears in a transition amplitude through the regions where the wave nature of quanta remains. We calculated the transition amplitude for EET and obtained finite size corrections to the standard formula derived by using Fermi’s golden rule. These corrections for the transition amplitude appear outside the resonance energy region. The estimation in a photosynthesis system indicates that the finite size correction could reduce the EET time considerably.
Source arXiv, 1609.0160
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