If the parity checks for the current surface code cycle are the same as the previous one, we conclude that the state of the data qubits involved in the parity checks has not changed due to any erroneous operation. Communication channels are physical entities that are subject to physical laws. We present pseudo-threshold and threshold values for the proposed surface code design for asymmetric error channels in the presence of various degrees of asymmetry of Pauli X ^, Y ^ $\text$ stabilisers, that is, their outcome can predict the presence of errors without perturbing the system. A surface code design is being introduced, where d x( d z) represents the distance of the code for bit (phase) error correction, motivated by the fact that the severity of bit flip and phase flip errors in the physical quantum system is asymmetric. Surface codes are quantum error correcting codes typically defined on a 2D array of qubits. IET Generation, Transmission & Distribution The five encoded wave packets constitute five quantum channels, where the errors possibly occur.IET Electrical Systems in Transportation.IET Cyber-Physical Systems: Theory & Applications The focus of this weeklong school was Quantum Error Correction (QEC).At IBM’s Quantum Summit last November, the company issued a detailed roadmap and declared it would deliver quantum advantage (better than classical computers) on selected applications in 2023. IET Collaborative Intelligent Manufacturing New IBM Blog Details Path to Quantum Advantage in 2023.CAAI Transactions on Intelligence Technology For example, in 12, the stegotext was concealed by giving it the appearance of channel noise in a codeword of a quantum error-correcting code whereas in 13, the ping-pong protocol for quantum.
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