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The Toric Code, Perturbed



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Recording Details

Speaker(s): 
Scientific Areas: 
PIRSA Number: 
08110020

Abstract

By storing quantum information in the degenerate ground state of a Hamiltonian, it is hoped that it can be made quite robust against noise processes. We will examine this situation, with particular emphasis on the Toric code in 2D, and show how adversarial effects, either perturbations to the Hamiltonian or interactions with an environment, destroy the stored information extremely quickly.