Observing Majorana bound States in p-Wave Superconductors Using Noise Measurements in Tunneling Experiments

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Observing Majorana bound States in p-Wave Superconductors Using Noise Measurements in Tunneling Experiments

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Title: Observing Majorana bound States in p-Wave Superconductors Using Noise Measurements in Tunneling Experiments
Author: Bolech, C. J.; Demler, Eugene A.

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Citation: Bolech, C. J., and Eugene Demler. 2007. “ Observing Majorana Bound States in p-Wave Superconductors Using Noise Measurements in Tunneling Experiments .” Physical Review Letters 98 (23) (June 5). doi:10.1103/physrevlett.98.237002.
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Abstract: The zero-energy bound states at the edges or vortex cores of chiral p-wave superconductors should behave like Majorana fermions. We introduce a model Hamiltonian that describes the tunneling process when electrons are injected into such states. Using a nonequilibrium Green function formalism, we find exact analytic expressions for the tunneling current and noise and identify experimental signatures of the Majorana nature of the bound states to be found in the shot noise. We discuss the results in the context of different candidate materials that support triplet superconductivity. Experimental verification of the Majorana character of midgap states would have important implications for the prospects of topological quantum computation.
Published Version: doi:10.1103/PhysRevLett.98.237002
Other Sources: http://arxiv.org/abs/cond-mat/0607779
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:27891681
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