Meier, A.
, Eastin, B.
and Knill, E.
(2012),
Magic-state distillation with the four-qubit code, Quantum Information & Computation
(Accessed April 23, 2025)
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Magic-state distillation with the four-qubit code
Published
Author(s)
, ,
Abstract
The distillation of magic states is an often-cited technique for enabling universal quantum computing once the error rate for a special subset of gates has been made negligible by other means. We present a routine for magic-state distillation that reduces the required overhead for a range of parameters of practical interest. Each iteration of the routine uses a four-qubit error-detecting code to distill the +1 eigenstate of the Hadamard gate at a cost of ten input states per two improved output states. Using this routine in combination with the 15-to-1 distillation routine described by Bravyi and Kitaev allows for further improvements in overhead.Citation
Quantum Information & Computation
Pub Type
Journals
Keywords
distillation, fault-tolerance, magic state, quantum computing
Citation
Issues
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Created April 20, 2012, Updated February 19, 2017