期刊
PHYSICAL REVIEW LETTERS
卷 125, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.125.033602
关键词
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资金
- DFG [SPP 1929]
- Wissenschaftler-Ruckkehrprogramm GSO/CZS of the Carl-Zeiss-Stiftung
- German Scholars Organization e.V.
- Deutsche Forschungsgemeinschaft (German Research Foundation) under Germany's Excellence Strategy [EXC-2111, 390814868]
Quantum spin systems with kinetic constraints have become paradigmatic for exploring collective dynamical behavior in many-body systems. Here we discuss a facilitated spin system which is inspired by recent progress in the realization of Rydberg quantum simulators. This platform allows to control and investigate the interplay between facilitation dynamics and the coupling of spin degrees of freedom to lattice vibrations. Developing a minimal model, we show that this leads to the formation of polaronic quasiparticle excitations which are formed by many-body spin states dressed by phonons. We investigate in detail the properties of these quasiparticles, such as their dispersion relation, effective mass, and the quasiparticle weight. Rydberg lattice quantum simulators are particularly suited for studying this phonon-dressed kinetically constrained dynamics as their exaggerated length scales permit the site-resolved monitoring of spin and phonon degrees of freedom.
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