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Dynamical resurrection of the visibility in a Mach-Zehnder interferometer | | A. V. Lebedev
; G. Blatter
; | | Date: |
21 Mar 2011 | | Abstract: | We study a single-electron pulse injected into the chiral edge-state of a
quantum Hall device and subject to a capacitive Coulomb interaction. We find
that the scattered multi-particle state remains unentangled and hence can be
created itself by a suitable classical voltage-pulse $V(t)$. The application of
the inverse pulse $-V(-t)$ corrects for the shake-up due to the interaction and
resurrects the original injected wave packet. We suggest an experiment with an
asymmetric Mach-Zehnder interferometer where the application of such pulses
manifests itself in an improved visibility. | | Source: | arXiv, 1103.4046 | | Services: | Forum | Review | PDF | Favorites | |
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