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Trapped Ion Quantum Computing Quantum Simulation

Advantage of Warm Starts for Electron-Phonon Systems on Quantum Computers

arXiv

Authors: Arnab Adhikary, S. E. Skelton, Alberto Nocera, Mona Berciu

Year

2025

Paper ID

5896

Status

Preprint

Abstract Read

~2 min

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Abstract

Simulating electron-phonon interactions on quantum computers remains challenging, with most algorithmic effort focused on Hamiltonian simulation and circuit optimization. In this work, we study the single-electron Holstein model and propose an initial-state ansatz that substantially enhances ground state overlap in the strong coupling regime, thereby reducing the number of iterations required in standard quantum phase estimation. We further show that this ansatz can be implemented efficiently and yields an exponential reduction in overall circuit costs relative to conventional initial guesses. Our results highlight the practical value of incorporating physical intuition into initial state preparation for electron-phonon coupled systems.

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This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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Simulating electron-phonon interactions on quantum computers remains challenging, with most algorithmic effort focused on Hamiltonian simulation and circuit optimization.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2512.16879 [2] arXiv https://arxiv.org/abs/2512.16879 [3] Publisher https://arxiv.org/abs/2512.16879

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