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Majorana Fermions in Equilibrium and in Driven Cold-Atom Quantum Wires

Jiang, Liang and Kitagawa, Takuya and Alicea, Jason and Akhmerov, A. R. and Pekker, David and Refael, Gil and Cirac, J. Ignacio and Demler, Eugene and Lukin, Mikhail D. and Zoller, Peter (2011) Majorana Fermions in Equilibrium and in Driven Cold-Atom Quantum Wires. Physical Review Letters, 106 (22). Art. No. 220402. ISSN 0031-9007. https://resolver.caltech.edu/CaltechAUTHORS:20110621-093218853

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Abstract

We 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.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.106.220402DOIArticle
ORCID:
AuthorORCID
Jiang, Liang0000-0002-0000-9342
Alicea, Jason0000-0001-9979-3423
Lukin, Mikhail D.0000-0002-8658-1007
Additional Information:© 2011 American Physical Society. Received 26 February 2011; revised 27 April 2011; published 2 June 2011. We would like to thank Ian Spielman for enlightening discussions. This work was supported by the Sherman Fairchild Foundation, DARPA OLE program, CUA, NSF, AFOSR Quantum Simulation MURI, AFOSR MURI on Ultracold Molecules, ARO-MURI on Atomtronics, and Dutch Science Foundation NWO/FOM.
Group:Institute for Quantum Information and Matter
Funders:
Funding AgencyGrant Number
Sherman Fairchild FoundationUNSPECIFIED
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Harvard-MIT Center for Ultracold AtomsUNSPECIFIED
NSFUNSPECIFIED
Air Force Office of Scientific Research (AFOSR)UNSPECIFIED
Army Research Office (ARO)UNSPECIFIED
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)UNSPECIFIED
Stichting voor Fundamenteel Onderzoek der Materie (FOM)UNSPECIFIED
Issue or Number:22
Classification Code:PACS: 05.30.Pr, 03.67.Lx, 03.75.Mn
Record Number:CaltechAUTHORS:20110621-093218853
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20110621-093218853
Official Citation:Majorana Fermions in Equilibrium and in Driven Cold-Atom Quantum Wires Liang Jiang, Takuya Kitagawa, Jason Alicea, A. R. Akhmerov, David Pekker, Gil Refael, J. Ignacio Cirac, Eugene Demler, Mikhail D. Lukin, and Peter Zoller Published 2 June 2011 (4 pages) 220402
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:24148
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:21 Jun 2011 16:57
Last Modified:04 Jun 2020 10:14

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