Published November 1, 1995
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Journal Article
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Perturbation of tunneling processes by mechanical degrees of freedom in mesoscopic junctions
Chicago
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Abstract
We investigate the perturbation in the tunneling current caused by nonadiabatic mechanical motion in a mesoscopic tunnel junction. A theory introduced by Caroli et al. is used to evaluate second-order self-energy corrections for this nonequilibrium situation lacking translational invariance. Inelastic signatures of the mechanical degrees of freedom are found in the current-voltage I(V) characteristics. These give rise to sharp features in the derivative spectrum, d2I/dV2.
Additional Information
© 1995 The American Physical Society Received 26 May 1995 We gratefully acknowledge helpful discussions with Professor Sir Ro J. Elliott at Oxford regarding theoretical specialities of this work. N.F.S. gratefully acknowledges financial support from Wolfson College, the Department of Theoretical Physics, and the Board of Graduate Studies of the University of Oxford. Furthermore, he would like to thank Ah San Wong for her kind support in organizing the end phase of this project.Attached Files
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- Eprint ID
- 2299
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- CaltechAUTHORS:SCHWprb95
- University of Oxford
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