期刊
PHYSICAL REVIEW LETTERS
卷 106, 期 22, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.220402
关键词
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资金
- Sherman Fairchild Foundation
- DARPA
- CUA
- NSF
- AFOSR Quantum Simulation MURI
- AFOSR MURI on Ultracold Molecules
- ARO-MURI on Atomtronics
- Dutch Science Foundation NWO/FOM
- Division Of Physics
- Direct For Mathematical & Physical Scien [855599] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0803371] Funding Source: National Science Foundation
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.
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