Magnetic-field-controlled noise-activated switching in a nonlinear three-terminal nanojunction

Hartmann, F.; Hartmann, D.; Kowalzik, P.; Gammaitoni, L.; Forchel, A.; Worschech, L.
February 2010
Applied Physics Letters;Feb2010, Vol. 96 Issue 8, p082108
Academic Journal
Magnetic-field-controlled switching of a nonlinear three-terminal nanojunction was studied. Noise-activated switching was observed, which depends sensitively on the strength of an external magnetic field. Such a functioning resembles a noise-activated nonlinear detector as proposed by Gammaitoni and Bulsara [Phys. Rev. Lett. 88, 230601 (2002)] for magnetic fields realized with a nanoelectronic device.


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