Majorana Fermions in Equilibrium and Driven Cold Atom Quantum Wires
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CitationJiang, Liang, Takuya Kitagawa, Jason Alicea, A. Akhmerov, David Pekker, Gil Refael, J. Cirac, Eugene Demler, Mikhail Lukin, and Peter Zoller. 2011. Majorana fermions in equilibrium and driven cold atom quantum wires. Physical Review Letters 106(22): 220402.
AbstractWe introduce a new approach to create and detect Majorana fermions using optically trapped 1D fermionic atoms. In our proposed setup, two internal states of the atoms couple via an optical Raman transition--simultaneously inducing an effective spin-orbit interaction and magnetic field--while a background molecular BEC cloud generates s-wave pairing for the atoms. The resulting cold atom quantum wire supports Majorana fermions at phase boundaries between topologically trivial and nontrivial regions, as well as 'Floquet Majorana fermions' when the system is periodically driven. We analyze experimental parameters, detection schemes, and various imperfections.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:8152137
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