We present a quantum LDPC code family that has distance \\(\\Omega(N^{3\/5}\/{polylog}(N))\\) and \\(\\tilde\\Theta(N^{3\/5})\\) logical qubits, where N is the code length. This is the first quantum LDPC code construction which achieves distance greater than \\(N^{1\/2} {polylog}(N)\\). The construction is based on generalizing the homological product of codes to a fiber bundle.<\/p>\n","protected":false},"excerpt":{"rendered":"
We present a quantum LDPC code family that has distance and logical qubits, where N is the code length. This is the first quantum LDPC code construction which achieves distance greater than . 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