Entanglement perturbation theory for the quantum ground states in two dimensions
S.G.Chung, K.Ueda
TL;DR
This paper introduces Entanglement Perturbation Theory (EPT), a new method for accurately calculating the ground states of two-dimensional quantum systems, including fermions, with promising initial results.
Contribution
The paper presents a simple, general, and practically exact EPT method specifically designed for 2D quantum systems with translational symmetry, emphasizing its applicability to fermions.
Findings
Preliminary evidence suggests EPT's potential effectiveness.
EPT can handle 2D macroscopic quantum systems with translational symmetry.
The method shows promise for fermionic systems.
Abstract
A simple, general and practically exact method, Entanglement Perturbation Theory (EPT), is formulated to calculate the ground states of 2D macroscopic quantum systems with translational symmetry. An emphasis will be placed on the applicability of EPT to fermions. We will discuss some preliminary evidences which indicate a potential of EPT.
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