Perturbational Decomposition Analysis for Quantum Ising Model with Weak Transverse Fields

Youning Li, Junfeng Huang, Chao Zhang, Jun Li · 2024

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Description

Youning Li, Junfeng Huang, Chao Zhang, and Jun Li present a 2024 method for simulating quantum systems. Their focus is the one-dimensional Ising model, a standard chain of interacting spins with fields pointing along and across the chain. Standard simulation splits the evolution into small steps, which can be slow or imprecise.

The new method treats the cross field as a small disturbance and builds the simulation around that idea. Tests map out where the method beats the standard split-step approach. It works best with moderate lengthwise fields and weak to moderate cross fields. The results give practical guidance on picking a simulation strategy for each setting.

Catalog record

CREATORYouning Li, Junfeng Huang, Chao Zhang, Jun Li
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE18 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11675516

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