Magnetic Field Effects in Low-Dimensional Quantum Magnets
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Magnetic Field Effects in Low-Dimensional Quantum Magnets

SKU: 9783030018030

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Additional information

Full Title

Magnetic Field Effects in Low-Dimensional Quantum Magnets
Author(s)

Adam Iaizzi
Edition
ISBN

9783030018030, 9783030018023
Publisher

Springer
Format

PDF and EPUB

Description

This thesis is a tour-de-force combination of analytic and computational results clarifying and resolving important questions about the nature of quantum phase transitions in one- and two-dimensional magnetic systems. The author presents a comprehensive study of a low-dimensional spin-half quantum antiferromagnet (the J-Q model) in the presence of a magnetic field in both one and two dimensions, demonstrating the causes of metamagnetism in such systems and providing direct evidence of fractionalized excitations near the deconfined quantum critical point. In addition to describing significant new research results, this thesis also provides the non-expert with a clear understanding of the nature and importance of computational physics and its role in condensed matter physics as well as the nature of phase transitions, both classical and quantum. It also contains an elegant and detailed but accessible summary of the methods used in the thesis—exact diagonalization, Monte Carlo, quantumMonte Carlo and the stochastic series expansion—that will serve as a valuable pedagogical introduction to students beginning in this field.

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