Quantum

Programmable Polaron Models and Tomography in Trapped-Ion Quantum Simulators

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 15/10/2026, 04:13:24 UTC.

Briefings

This article proposes a trapped-ion quantum simulator to study polaron physics using programmable spin-phonon Hamiltonians. The method uses displaced Green's functions to map excitations to pseudospins, enabling spectroscopy of polaron bands and tomography of the phonon dressing cloud. Key parameters include local Holstein and long-range Fröhlich-type interactions, with spectral response revealing binding energies and phonon sidebands. The research connects emergent quasiparticle spectra to microscopic coupling structures, allowing controlled studies of mobility and dressing cloud formation.

Key points

• The proposed method uses displaced Green's functions implemented through spin-dependent phonon displacements to access strongly dressed quasiparticles whose bare spectral weight is suppressed.
• The simulator enables direct and ancilla-assisted measurements of spin-phonon correlations to track coupled dynamics between excitation density and phonon displacements.

Context and limitations

The research relies on theoretical proposals and simulation frameworks; experimental realization and validation of the proposed spin-phonon Hamiltonians remain unconfirmed.

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