Daniel Gottesman: Stabilizer Codes for Prime Power Qudits
Автор: QuICS
Загружено: 2015-10-06
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Daniel Gottesman (Perimeter Institute for Theoretical Physics)
Stabilizer Codes for Prime Power Qudits
QuICS Workshop on the Frontiers of Quantum Information and Computer Science (September 30, 2015)
There is a standard generalization of stabilizer codes to work with qudits which have prime dimension, and a slightly less standard generalization for qudits whose dimension is a prime power. However, for prime power dimensions, the usual generalization effectively treats the qudit as multiple prime-dimensional qudits instead of one larger object. There is a finite field GF(q) with size equal to any prime power, and it makes sense to label the qudit basis states with elements of the finite field, but the usual stabilizer codes do not make use of the structure of the finite field.
I introduce the true GF(q) stabilizer codes, a subset of the usual prime power stabilizer codes which do make full use of the finite field structure. The true GF(q) stabilizer codes have nicer properties than the usual stabilizer codes over prime power qudits and work with a lifted Pauli group, which has some interesting mathematical aspects to it.
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