The low-temperature spin dynamics of a Fe-8 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 nonlinear above a relatively low-power threshold. Heating due to phonon emission, spin-spin interactions, and coherent emission/absorption of photons might lead to the observed nonlinearity. These results are of importance if such systems are to be used as quantum computers.
Photon-assisted tunneling in a Fe-8 single-molecule magnet / L. Sorace; W. Wernsdorfer; C. Thirion; A. L. Barra; M. Pacchioni; D. Mailly; B. Barbara. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - STAMPA. - 68:(2003), pp. 220407-1-220407-4. [10.1103/PhysRevB.68.220407]
Photon-assisted tunneling in a Fe-8 single-molecule magnet
SORACE, LORENZO;
2003
Abstract
The low-temperature spin dynamics of a Fe-8 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 nonlinear above a relatively low-power threshold. Heating due to phonon emission, spin-spin interactions, and coherent emission/absorption of photons might lead to the observed nonlinearity. These results are of importance if such systems are to be used as quantum computers.File | Dimensione | Formato | |
---|---|---|---|
032-PhotonassistedFe8PhysRevB.pdf
Accesso chiuso
Tipologia:
Pdf editoriale (Version of record)
Licenza:
Open Access
Dimensione
327.93 kB
Formato
Adobe PDF
|
327.93 kB | Adobe PDF | Richiedi una copia |
I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.