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Vibrational dressing in kinetically constrained Rydberg spin systems

Mazza, Paolo P.; Schmidt, Richard; Lesanovsky, Igor

Vibrational dressing in kinetically constrained Rydberg spin systems Thumbnail


Paolo P. Mazza

Richard Schmidt


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.


Mazza, P. P., Schmidt, R., & Lesanovsky, I. (2020). Vibrational dressing in kinetically constrained Rydberg spin systems. Physical Review Letters, 125(3),

Journal Article Type Letter
Acceptance Date Jun 29, 2020
Online Publication Date Jul 14, 2020
Publication Date Jul 14, 2020
Deposit Date Jun 29, 2020
Publicly Available Date Jul 14, 2020
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 125
Issue 3
Article Number 033602
Public URL
Publisher URL


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