| Paper |
Authors & Journal |
Link |
Key Finding |
| Negative Time Delay – Photons Spend Negative Time in an Atom Cloud |
Daniela Angulo et al. (2024) |
arXiv Full PDF |
Latest experiment: photons can exit before they enter — real negative time measured |
| Observation of Negative Time Delays in Quantum Light-Matter Interactions |
Aephraim Steinberg et al. – Nature Physics (2025) |
Nature Physics Official DOI |
Official Nature paper confirming physical negative time |
| Wheeler's Delayed-Choice Experiment (2025 Update) |
Yuan Cao et al. – Science China Physics, Mechanics & Astronomy |
Springer Full Article |
Future measurement changes photon behavior in the past — brand new 2025 data |
| Delayed-Choice Quantum Eraser (1999 Classic) |
Yoon-Ho Kim, R. Yu, S.P. Kulik, Y. Shih, Marlan O. Scully – Physical Review Letters |
PRL Official | arXiv PDF |
Information from the future literally erases past interference patterns |
| Is Retrocausality the Natural Interpretation of QM? |
Matthew S. Leifer & Matthew F. Pusey – Physical Review Letters (2017) |
PRL Official |
Retrocausality is mathematically clean and paradox-free |
| Retrocausality in Quantum Mechanics |
Huw Price & Ken Wharton – Stanford Encyclopedia of Philosophy (2023–2025) |
Stanford Full Entry |
The deepest philosophical + physics reference on retrocausality |
| Negative Group Delays Have Real Physical Meaning |
Kyle Thompson et al. (2024) |
arXiv Full PDF |
Negative time isn't just math — it's observable physics |
| Quantum Delayed-Choice Experiment |
Xiao-Song Ma et al. – Nature Physics (2013) |
Nature Physics DOI |
Wave or particle? Decided after the photon has already passed |
| Retrocausality and Conditional Probability |
Matthew Leifer (2006) |
arXiv PDF |
Full math proof: retrocausality doesn't break relativity |
| Time-Symmetry and Retrocausality |
Emily Adlam – Foundations of Physics (2024) |
Springer Full Text |
Retrocausality is the most natural way to interpret quantum mechanics |
| Wheeler's Delayed Choice |
Wheeler & Zurek |
arXiv |
Future choice determines particle's past behavior |
| Two-State Vector (Aharonov) |
Aharonov et al. |
arXiv |
States evolve from past AND future |