Generalized phase-space techniques to explore quantum phase transitions in critical quantum spin systems

We apply the generalized Wigner function formalism to detect and characterize a range of quantum phase transitions in several cyclic, finite-length, spin-[Formula presented] one-dimensional spin-chain models, viz., the Ising and anisotropic XY models in a transverse field, and the XXZ anisotropic He...

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Bibliographic Details
Main Authors: NM Millen, RP Rundle, JH Samson, Todd Tilma, RF Bishop, Mark Everitt
Format: Default Article
Published: 2023
Subjects:
Mathematical sciences
Physical sciences
Quantum many-body system
Quantum spin-lattice
Phase space
Wigner function
Phase transition
Online Access:https://hdl.handle.net/2134/24612255.v1
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