![]() ![]() In this paper, we introduce fault-tolerant quantum computation and schemes to reduce the its overhead.ĪB - A quantum computer is a powerful machine that provides a new approach to information processing based on quantum mechanics. However, considering the fault tolerance, the overhead of the quantum computer increases exponentially. This is called fault-tolerant quantum computation and it is an essential condition for implementing a quantum computer. Even when the gates used to perform these operations are noisy, the quantum computation must be tolerable to the errors. In quantum computation, each operation must be performed on the encoded states. Moreover, simply using QECCs is not sufficient in order that a quantum computer can tolerate errors. However, basically, qubits are very vulnerable to errors, thus a quantum error correction code (QECC) is needed to build a reliable quantum computer. ![]() ![]() N2 - A quantum computer is a powerful machine that provides a new approach to information processing based on quantum mechanics. This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2016R1A6A3A11936376) T1 - An Introduction to Fault-Tolerant Quantum Computation and its Overhead Reduction SchemesĪCKNOWLEDGMENT This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. ![]()
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