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Quantum Information Processing

Renormalization of magic and quantum phase transition in spin models

  • 01-03-2023
Published in:
Authors
Jiayu He
Shuangshuang Fu
Published in
Quantum Information Processing | Issue 3/2023

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Abstract

The article delves into the application of magic, a crucial resource in quantum computation, for detecting quantum phase transitions in spin models. It utilizes the quantum renormalization group (QRG) method to investigate the critical behavior of the one-dimensional anisotropic XXZ and XY models. The study employs a quantifier for magic based on the characteristic functions of quantum states, which is straightforward to compute and well-defined for all dimensional quantum systems. The authors analyze the scaling behaviors of the magic quantifier near the critical points and compare their findings with previous results involving coherence. The research highlights the effectiveness of magic in detecting quantum phase transitions and provides a unique perspective on the resources required for quantum computation.
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previous article Quantum anonymous voting with continuous-variable entanglement in optical frequency comb
Title
Renormalization of magic and quantum phase transition in spin models
Authors
Jiayu He
Shuangshuang Fu
Publication date
01-03-2023
Publisher
Springer US
Published in
Quantum Information Processing / Issue 3/2023
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-023-03905-6
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