$q$ - Deformed Spin Networks, Knot Polynomials and Anyonic Topological Quantum Computation

Abstract

We review the q-deformed spin network approach to Topological Quantum Field Theory and apply these methods to produce unitary representations of the braid groups that are dense in the unitary groups. Our methods are rooted in the bracket state sum model for the Jones polynomial. We give our results for a large class of representations based on values for the bracket polynomial that are roots of unity. We make a separate and self-contained study of the quantum universal Fibonacci model in this framework. We apply our results to give quantum algorithms for the computation of the colored Jones polynomials for knots and links, and the Witten-Reshetikhin-Turaev invariant of three manifolds.

88 pages, 58 figures, LaTeX document

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• Braid Matrices and Quantum Gates for Ising Anyons Topological Quantum Computation
• Quantizing Braids and Other Mathematical Objects: The General Quantization Procedure