# Quantum Phase Transitions

@inproceedings{Belitz1998QuantumPT,
title={Quantum Phase Transitions},
author={D. Belitz and T. R. Kirkpatrick},
year={1998}
}
• Published 4 November 1998
• Physics
These are notes for lectures delivered at the NATO ASI on Dynamics in Leiden, The Netherlands, in July 1998. The main concepts relating to quantum phase transitions are explained, using the paramagnet-to-ferromagnet transition of itinerant electrons as the primary example. Some aspects of metal-insulator transitions are also briefly discussed. The exposition is strictly pedagogical in nature, with no ambitions with respect to completeness or going into technical details. The goal of the…
2 Citations
Density-matrix renormalization-group analysis of the spin- 1 2 XXZ chain in an XY symmetric random magnetic field
• Physics
• 2003
The spin-$\frac{1}{2} \mathrm{XXZ}$ chain in a random magnetic field pointing in the Z direction is numerically studied using the density-matrix renormalization-group method. The phase diagram as a

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