On the thermodynamic limit at a quantum critical point
Date
2005
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Academy of Science for South Africa
Abstract
Open questions regarding the uniqueness and existence of the thermodynamic limit at a quantum critical point are discussed in the context of the Lipkin model, a popular model in many-body theory. This model illustrates a quantum phase transition, including spontaneous symmetry breaking. The thermodynamic limit seemingly yields different answers depending on the approach used. The discussion is based on recent developments, including a joint publication by the authors.
Description
CITATION: Geyer, H. B., Heiss, W. D. & Scholtz, F. G. 2005. On the thermodynamic limit at a quantum critical point. South African Journal of Science, 101(11-12): 536-537.
The original publication is available at https://journals.co.za
The original publication is available at https://journals.co.za
Keywords
Quantum theory, Energy levels (Quantum mechanics)
Citation
Geyer, H. B., Heiss, W. D. & Scholtz, F. G. 2005. On the thermodynamic limit at a quantum critical point. South African Journal of Science, 101(11-12): 536-537