Report
Anderson localization of a Rydberg electron
| العنوان: | Anderson localization of a Rydberg electron |
|---|---|
| المؤلفون: | Eiles, Matthew T., Eisfeld, Alexander, Rost, Jan M. |
| سنة النشر: | 2021 |
| المجموعة: | Condensed Matter Physics (Other) Quantum Physics |
| مصطلحات موضوعية: | Physics - Atomic Physics, Condensed Matter - Disordered Systems and Neural Networks, Condensed Matter - Quantum Gases, Quantum Physics |
| الوصف: | Highly excited Rydberg atoms inherit their level structure, symmetries, and scaling behavior from the hydrogen atom. We demonstrate that these fundamental properties enable a thermodynamic limit of a single Rydberg atom subjected to interactions with nearby ground state atoms. The limit is reached by simultaneously increasing the number of ground state atoms and the level of excitation of the Rydberg atom, for which the Coulomb potential supplies infinitely many and highly degenerate excited states. Our study reveals a surprising connection to an archetypal concept of condensed matter physics, Anderson localization, facilitated by a direct mapping between the Rydberg atom's electronic spectrum and the spectrum of a tight-binding Hamiltonian. The hopping amplitudes of this tight-binding system are determined by the arrangement of ground state atoms and can range from oscillatory and long-ranged to nearest-neighbor. In the latter we identify clear signatures of the Anderson localization of the Rydberg electron. Comment: Accepted version |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2111.10345 |
| رقم الانضمام: | edsarx.2111.10345 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |