期刊
PHYSICAL REVIEW LETTERS
卷 101, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.238103
关键词
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资金
- National Science Foundation [CHE-0718043, CHE-0415457, CHE-0718755]
- Israel Science Foundation
- German-Israel Foundation
- ERC
- University of Cyprus
- US-Israel BSF
Electron transmission through chiral molecules induced by circularly polarized light can be very different for mirror-image structures, a peculiar fact given that the electronic energy spectra of the systems are identical. We propose that this asymmetry-as large as 10% for resonant transport-arises from different dynamical responses of the mirrored structures to coherent excitation. This behavior is described in the context of a general novel phenomenon of current transfer (transfer of charge with its momentum information) and accounts for the observed asymmetry and its dependence on structure.
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