Journal
PHYSICAL REVIEW A
Volume 97, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.97.022707
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Funding
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1308435] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1600059] Funding Source: National Science Foundation
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We present a quantum many-body description of the excitation spectrum of Rydberg polarons in a Bose gas. The many-body Hamiltonian is solved with a functional determinant approach, and we extend this technique to describe Rydberg polarons of finite mass. Mean-field and classical descriptions of the spectrum are derived as approximations of the many-body theory. The various approaches are applied to experimental observations of polarons created by excitation of Rydberg atoms in a strontium Bose-Einstein condensate.
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