Efimov energy level rebounding off the atom-dimer continuum

التفاصيل البيبلوغرافية
العنوان: Efimov energy level rebounding off the atom-dimer continuum
المؤلفون: Yudkin, Yaakov, Elbaz, Roy, Khaykovich, Lev
سنة النشر: 2020
المجموعة: Condensed Matter
Physics (Other)
Quantum Physics
مصطلحات موضوعية: Condensed Matter - Quantum Gases, Physics - Atomic Physics, Quantum Physics
الوصف: The Efimov effect, with its ladder of weakly bound three-atomic molecules, poses intriguing questions in the theoretically controversial and experimentally demanding regime of merging of the first excited Efimov energy level with the atom-dimer continuum. Using an original experimental technique, where a coherent superposition state of diatomic and triatomic molecules is utilized, we investigate this regime and reveal a striking behavior: Instead of merging with the atom-dimer continuum the trimer energy level rebounds from it and becomes a deeper bound state again. In addition, instead of a tangential approach between the two levels we observe a rather narrow resonance, providing a new challenge and guide for few-body theories to incorporate realistic interatomic potentials.
Comment: 12 pages, 9 figures
نوع الوثيقة: Working Paper
URL الوصول: http://arxiv.org/abs/2004.02723
رقم الأكسشن: edsarx.2004.02723
قاعدة البيانات: arXiv