Environment-Assisted Quantum Transport
| Title: | Environment-Assisted Quantum Transport |
| Author: |
Rebentrost, Patrick; Mohseni, Masoud; Kassal, Ivan; Lloyd, Seth; Aspuru-Guzik, Alan
Note: Order does not necessarily reflect citation order of authors. |
| Citation: | Rebentrost, Patrick, Masoud Mohseni, Ivan Kassal, Seth Lloyd, and Alán Aspuru-Guzik. 2009. Environment-assisted quantum transport. New Journal of Physics 11(3): 033003. |
| Full Text & Related Files: |
0807.0929v2.pdf (3.070Mb; PDF) 
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| Abstract: | Transport phenomena at the nanoscale are of interest due to the presence of both quantum and classical behavior. In this work, we demonstrate that quantum transport efficiency can be enhanced by a dynamical interplay of the system Hamiltonian with pure dephasing induced by a fluctuating environment. This is in contrast to fully coherent hopping that leads to localization in disordered systems, and to highly incoherent transfer that is eventually suppressed by the quantum Zeno effect. We study these phenomena in the Fenna–Matthews–Olson protein complex as a prototype for larger photosynthetic energy transfer systems. We also show that the disordered binary tree structures exhibit enhanced transport in the presence of dephasing. |
| Published Version: | doi:10.1088/1367-2630/11/3/033003 |
| Terms of Use: | This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP |
| Citable link to this page: | http://nrs.harvard.edu/urn-3:HUL.InstRepos:4646014 |
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Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
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