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ansatz expressivity 1entanglement entropy 1quantum simulation 1transverse field ising model 1variational quantum eigensolver 1

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quant-ph2026

Ansätz Expressivity and Optimization in Variational Quantum Simulations of Transverse-field Ising Model Across System Sizes

Ashutosh P. Tripathi, Nilmani Mathur, Vikram Tripathi

The paper studies how well the Variational Quantum Eigensolver can find ground‑state properties, especially entanglement entropy, of the transverse‑field Ising model in 1‑D, 2‑D, a…