Photon-assisted tunneling in a Fe8 Single-Molecule Magnet

Details Photon-assisted tunneling in a Fe8 Single-Molecule Magnet Photon-assisted tunneling in a Fe8 Single-Molecule Magnet

2003-04-11

arxiv.org/abs/cond-mat/0304274v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevB.68.220407

The low temperature spin dynamics of a Fe8 Single-Molecule Magnet was studied under circularly polarized electromagnetic radiation allowing us to establish clearly photon-assisted tunneling. This effect, while linear at low power, becomes highly non-linear above a relatively low power threshold. This non-linearity is attributed to the nature of the coupling of the sample to the thermostat.These results are of great importance if such systems are to be used as quantum computers.

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