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Generation of a maximally entangled state using collective optical pumping

verification/C017/attempts/R002/claim_report.md

C017 - The drive (C) angle is alternated: theta_1 = pi in odd cycles (t_C = 6.4 us) and theta =...

Verdict: partial Location: Experiment Type / expected artifact: numeric / numeric Claim: The drive (C) angle is alternated: theta_1 = pi in odd cycles (t_C = 6.4 us) and theta = pi/2 in even cycles (t_C = 3.2 us), acting as a spin-echo; one cycle takes ~= 165 us on average. Models: extraction claude-opus-4-8; verification gpt-5; verification_chain claude-opus-4-8 -> gpt-5; verdict_chain partial -> partial. Limitations: paper_text_only_reimplementation. Source location(s): source/main.tex:122 (Experiment).

Conclusion

Paper: theta_1=pi (t_C=6.4us), theta=pi/2 (t_C=3.2us), cycle ~165us avg. With Omega_C=2pi*78kHz, t_C=theta/Omega_C gives 6.41us and 3.21us (linear in theta, ratio exactly 2) — matches to 0.2%. Per-cycle reconstruction = drive A(150us)+gapA(3.2)+repump B(5us)+drive-C avg(4.8us) = 163.0us vs paper 165us (~1%). The ~165us requires summing sequence components from paper text -> partial.

Verification details

Executable rerun: run.py exited 0 in 0.416s; log verification/C017/attempts/R002/run.log.

Output excerpt:

pi-time   = pi/Omega_C   = 6.410 us (paper 6.4 us)
pi/2-time = (pi/2)/OmegaC= 3.205 us (paper 3.2 us)
linearity: t_C(pi)/t_C(pi/2) = 2.000 (expect 2)
per-cycle reconstructions (us):
  A(150) + C_avg(4.8)                 = 154.8
  A(150) + gapA(3.2) + C_avg(4.8)     = 158.0
  A(150) + repumpB(5) + C_avg(4.8)    = 159.8
  A(150) + gapA(3.2)+repumpB(5)+Cavg  = 163.0
paper: one cycle ~= 165 us on average

Supporting files