Quantum simulation of small-polaron formation with trapped ions

Abstract

We propose a quantum simulation of small-polaron physics using a one-dimensional system of trapped ions acted upon by off-resonant standing waves. This system, envisioned as an array of microtraps, in the single-excitation case allows the realization of the anti-adiabatic regime of the Holstein model. We show that the strong excitation-phonon coupling regime, characterized by the formation of small polarons, can be reached using realistic values of the relevant system parameters. Finally, we propose measurements of the quasiparticle residue and the average number of phonons in the ground state, experimental probes validating the polaronic character of the phonon-dressed excitation.

accepted for publication in Phys. Rev. Lett

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• Scalable $W$-type entanglement resource in neutral-atom arrays with Rydberg-dressed resonant dipole-dipole interaction
• Linear-algebraic bath transformation for simulating complex open quantum systems
• Quantum dynamics of the small-polaron formation in a superconducting analog simulator
• Topological Phenomena in Trapped Ion Systems
• Bipolarons bound by repulsive phonon-mediated interactions
• Quantum simulation of extended polaron models using compound atom-ion systems
• Energy flow during relaxation in an electron-phonon system with multiple modes: A nonequilibrium Green's function study