Reference : Detecting Majorana bound states by nanomechanics
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Detecting Majorana bound states by nanomechanics
Walter, Stefan [> >]
Schmidt, Thomas mailto [Yale University > Department of Physics]
Borkje, Kjetil []
Trauzettel, Björn [> >]
Phys. Rev. B
American Physical Society
[en] We propose a nanomechanical detection scheme for Majorana bound states, which have been predicted to exist at the edges of a one-dimensional topological superconductor, implemented, for instance, using a semiconducting wire placed on top of an s-wave superconductor. The detector makes use of an oscillating electrode, which can be realized using a doubly clamped metallic beam, tunnel coupled to one edge of the topological superconductor. We find that a measurement of the nonlinear differential conductance provides the necessary information to uniquely identify Majorana bound states.

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