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Add Ba138 ion species#120

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Add Ba138 ion species#120
tj-griffiths wants to merge 1 commit into
HaeffnerLab:masterfrom
tj-griffiths:add-ba138-species

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  • 6S1/2 <-> 5D5/2 optical qubit transition at 1762 nm
  • Full level structure: S1/2, D3/2, D5/2, P1/2, P3/2
  • Energy levels from NIST Atomic Spectra Database (Ba II)
  • g(5D5/2) = 1.200371 from Hoffman et al., Phys. Rev. A 88, 025401 (2013)
  • Supports mixed-species chains (e.g. Ba138/Ca40)
  • All 233 existing tests pass

Closes #74

- 6S1/2 <-> 5D5/2 optical qubit transition at 1762 nm
- Full level structure: S1/2, D3/2, D5/2, P1/2, P3/2
- Energy levels from NIST Atomic Spectra Database (Ba II)
- g(5D5/2) = 1.200371 from Blinov et al. PRA 88, 052509 (2013)
- Supports mixed-species chains (e.g. Ba138/Ca40)
- All 233 existing tests pass

Closes HaeffnerLab#74
@tj-griffiths tj-griffiths deleted the add-ba138-species branch July 2, 2026 22:28
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add barium ion (or ytterbium)?

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