We analyze surface codes, the topological quantum error-correcting codes introduced by
Kitaev. In these codes, qubits are arranged in a two-dimensional array on a surface of …

Abstract The Penrose-Hameroff orchestrated objective reduction (orch. OR) model assigns a
cognitive role to quantum computations in microtubules within the neurons of the brain …

We study information storage in noisy quantum registers and computers using the methods
of statistical dynamics. We develop the concept of a strictly contractive quantum channel in …

Inspired by Kitaev's argument that physical error correction is possible in a system of
interacting anyons, we demonstrate that such “self-correction” is fairly common in spin …

Quantum information science explores ways in which quantum physical laws can be
harnessed to control the acquisition, transmission, protection, and processing of information …