4.6 Article

Coherent optical nanotweezers for ultracold atoms

期刊

PHYSICAL REVIEW A
卷 102, 期 1, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.102.013306

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资金

  1. NSF PFC at JQI
  2. ONR [N000141712411]
  3. AFOSR
  4. AFOSR MURI
  5. ARL CDQI
  6. ARO
  7. ARO MURI
  8. NSF PFCQC program
  9. Sloan Foundation
  10. Packard Foundation
  11. DFG Collaborative Research Center [SFB 1225]
  12. DFG [377616843]
  13. U.S. Department of Defense (DOD) [N000141712411] Funding Source: U.S. Department of Defense (DOD)

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There has been a recent surge of interest and progress in creating subwavelength free-space optical potentials for ultracold atoms. A key open question is whether geometric potentials, which are repulsive and ubiquitous in the creation of subwavelength free-space potentials, forbid the creation of narrow traps with long lifetimes. Here, we show that it is possible to create such traps. We propose two schemes for realizing subwavelength traps and demonstrate their superiority over existing proposals. We analyze the lifetime of atoms in such traps and show that long-lived bound states are possible. This work allows for subwavelength control and manipulation of ultracold matter, with applications in quantum chemistry and quantum simulation.

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