Crucial leap in error mitigation for quantum Computers
https://crd.lbl.gov/news-and-publications/news/2021/crucial-leap-in-quantum-error-mitigation/
"randomized compiling (RC)... lead to more accurate and stable quantum computations... performed on a four-qubit superconducting quantum processor... can suppress one of the most severe types of errors in quantum computers: coherent errors... RC protocol does not try to fix or correct... Instead, RC mitigates the problem by randomizing the direction in which coherent errors impact qubits... by creating, measuring, and combining... averaging out impact... on any single quantum circuit"
Related:
Qubits can be as safe as bits, researchers show
https://www.quantamagazine.org/qubits-can-be-as-safe-as-bits-researchers-show-20220106/
https://www.quantamagazine.org/qubits-can-be-as-safe-as-bits-researchers-show-20220106/
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