Back to Search
Start Over
Breaking and trapping Cooper pairs by Rydberg-molecule spectroscopy in atomic Fermi superfluids
- Publication Year :
- 2024
-
Abstract
- We propose a spectroscopic probe of the breaking and localization of Cooper pairs in an atomic Fermi superfluid interacting with a Rydberg impurity. This is achieved by monitoring the formation of diatomic and triatomic ultralong-range molecular species in the superfluid across the BCS - Bose Einstein condensation (BEC) crossover. The triatomic Rydberg molecule in the BEC regime heralds the trapping of a tightly-bound Cooper pair, reminiscent of pion capture in nuclear matter, while the breaking of a Cooper pair on the BCS side by a diatomic Rydberg molecule is evocative of binary-star tidal disruption by a black hole. Spectroscopy of the Fermi superfluid and Rydberg molecules allows for an estimation of the Cooper-pair size while the Rydberg molecule binding energies discern many-body pairing effects.<br />Comment: Main text: 7 pages, 4 figures. Supplemental Material: 5 pages, 8 figures
- Subjects :
- Condensed Matter - Quantum Gases
Quantum Physics
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.2405.01401
- Document Type :
- Working Paper