Equation 32 · Part 1 · Error Correction Is the Whole Problem in Quantum Computing
Symbol n
What this part means
n is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
n is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol n→Article meaning
The passage around this formula
…now concrete. Bravyi and colleagues at IBM presented a family of quantum low-density parity-check codes achieving an error threshold of 0.8\% for the standard circuit-based noise model, with a syndrome cycle requiring n ancillary qubits and a depth-7 circuit of nearest-neighbour CNOT gates on a degree-6 connectivity graph made of two edge-disjoint planar subgraphs [ 19 ] . Their worked example preserves 12 logical qubits for nearly one million syndrome cycles using 288 physical qubits at a physical error rate of…
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Sources cited in the surrounding passage
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