Schwinger Bosons Approaches to Quantum Antiferromagnetism

Details Schwinger Bosons Approaches to Quantum Antiferromagnetism Schwinger Bosons Approaches to Quantum Antiferromagnetism

2008-09-28

arxiv.org/abs/0809.4836v2

Physics

Condensed Matter

Strongly Correlated Electrons

Lecture notes for Trieste Summer School, August 2007. To appear as a chapter in "Highly Frustrated Magnetism", Eds. C. Lacroix

Scientific paper

These lectures review the large N Schwinger Bosons Mean Field approach to the quantum Heisenberg model. The method applies to ordered and disordered phases in all dimensions, at zero and at finite temperature. Extension to frustrated models is explained. An example for an experimentally useful application, is the temperature dependent staggered magnetization of the layered antiferromagnet.

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