Critical exponents of one-dimensional quantum critical models by means of MERA tensor network
S. Montangero, M. Rizzi, V. Giovannetti, and R. Fazio
TL;DR
This paper introduces an algorithm for optimizing the MERA tensor network in infinite systems to accurately compute critical exponents of quantum models like Ising and XXZ.
Contribution
The paper presents a novel algorithm for optimizing MERA tensor networks in infinite systems, enabling precise calculation of critical exponents.
Findings
Successfully computed critical exponents for Ising and XXZ models.
Demonstrated the effectiveness of the MERA optimization algorithm.
Provided a new tool for studying quantum criticality.
Abstract
An algorithm for optimizing the MERA tensor network in an infinite system is presented. Using this technique we compute the critical exponents of Ising and XXZ model.
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