Kitaev's exact solution approximated

TL;DR

This paper discusses the approximation of Kitaev's exact solution in the context of quantum spin liquids, highlighting recent experimental progress in ruthenium-based materials that may realize such states.

Contribution

It introduces an approximation method for Kitaev's exact solution and connects it to recent experimental findings in ruthenium compounds.

Findings

Potential realization of quantum spin liquids in ruthenium-based materials

Approximation techniques for Kitaev's model

Experimental evidence supporting theoretical predictions

Abstract

For 25 years condensed matter physicists have searched for a material that realizes a macroscopic quantum state of matter, the quantum spin liquid. Recent experiments show that the necessary interaction may be found in a family of hexagonal ruthenium based materials.