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Preparation and Manipulation of a Fault-tolerant Superconducting Qubit by Cholascinski, Mateusz; Makhlin, Yuriy; Schön, Gerd is a scholarly article available to read on EtoBox.

What is Preparation and Manipulation of a Fault-tolerant Superconducting Qubit about?

We describe a qubit encoded in continuous quantum variables of an rf superconducting quantum interference device. Since the number of accessible states in the system is infinite, we may protect its two-dimensional subspace from small errors introduced by the interaction with the environment and during manipulations. We show how to prepare the fault-tolerant state and manipulate the system. The discussed operations suffice to perform quantum computation on the encoded state, syndrome extraction, and quantum error correction. We also comment on the physical sources of errors and possible imperfections while manipulating the system.

Author

Cholascinski, Mateusz; Makhlin, Yuriy; Schön, Gerd

Published

2007

Language

EN