# Quantum spin liquids: a review

“Quantum spin liquids: a review” (2016), by Lucile Savary et al. Physics and Astronomy research paper. Original abstract below, unchanged. A free PDF is available.

- Authors: Lucile Savary, Leon Balents
- Published: November 8, 2016
- Field: Physics and Astronomy
- DOI: https://doi.org/10.1088/0034-4885/80/1/016502
- Free PDF: https://arxiv.org/pdf/1601.03742

## Abstract

Quantum spin liquids may be considered 'quantum disordered' ground states of spin systems, in which zero-point fluctuations are so strong that they prevent conventional magnetic long-range order. More interestingly, quantum spin liquids are prototypical examples of ground states with massive many-body entanglement, which is of a degree sufficient to render these states distinct phases of matter. Their highly entangled nature imbues quantum spin liquids with unique physical aspects, such as non-local excitations, topological properties, and more. In this review, we discuss the nature of such phases and their properties based on paradigmatic models and general arguments, and introduce theoretical technology such as gauge theory and partons, which are conveniently used in the study of quantum spin liquids. An overview is given of the different types of quantum spin liquids and the models and theories used to describe them. We also provide a guide to the current status of experiments in relation to study quantum spin liquids, and to the diverse probes used therein.

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