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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Quantum Error Correction: Foundation and Landscape
量子纠错 基础景观 量子纠错理论
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2023/4/18
Quantum error correction theory lies at the heart of universal quantum computing. So far, people do not find or realize good-enough error correction codes yet. In this talk, I will survey the foundati...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Quantum Error Correction: Fault-tolerance and Universality
量子纠错 容错性 通用性
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2023/4/17
There is a big gap between the so-called NISQ (noisy intermediate-scale quantum) and FTQ (fault-tolerant quantum) computing. Recently, we introduced QEQ (quasi-exact quantum) computing, which lies in ...
5-qubit quantum error correction in a charge qubit quantum computer
quantum error correction 5-qubit code solid-state quantum register
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2010/11/5
We implement the DiVincenzo-Shor 5 qubit quantum error correcting code into a solid-state quantum register. The quantum register is a multi charge-qubit system in a semiconductor environment, where th...
NP-hardness of decoding quantum error correction codes
NP-hardness quantum error correction codes
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2010/10/18
Though the theory of quantum error correction is intimately related to the classical coding theory,in particular, one can construct quantum error correction codes (QECCs) from classical codes with the...
Continuous Quantum Error Correction Through Local Operations
Continuous Quantum Error Correction Through Local Operations
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2010/10/21
We propose local strategies to protect global quantum information. The protocols, which are
quantum error correcting codes for dissipative systems, are based on environment measurements,
direct feed...
A branching space-times view on quantum error correction
indeterminism quantum mechanics branching
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2008/4/9
In this paper we describe some first steps for bringing the framework of branching space-times to bear on quantum information theory. Our main application is quantum error correction. It is shown that...