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Spin-mediated Photomechanical Coupling of a Nanoelectromechanical Shuttle

A. V. Parafilo ; S. I. Kulinich ; Leonid Y. Gorelik (Institutionen för fysik, Kondenserade materiens teori (Chalmers)) ; M. N. Kiselev ; Robert I. Shekhter ; Mats Jonson
Physical Review Letters (0031-9007). Vol. 117 (2016), 5,
[Artikel, refereegranskad vetenskaplig]

We show that nanomechanical vibrations in a magnetic shuttle device can be strongly affected by external microwave irradiation through photo-assisted electronic spin-flip transitions. Mechanical consequences of these spin flips are due to a spin-dependent magnetic force, which may lead to a nanomechanical instability in the device. We derive a criterion for the instability to occur and analyze different regimes of nanomechanical oscillations. Possible experimental realizations of the spin-mediated photomechanical instability and detection of the device backaction are discussed.

Denna post skapades 2016-10-04. Senast ändrad 2016-10-04.
CPL Pubid: 242898


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Institutionen för fysik, Kondenserade materiens teori (Chalmers)
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