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→量子退相干
物理学家Mikhail Dyakonov对量子计算表示了以下怀疑：
物理学家Mikhail Dyakonov对量子计算表示了以下怀疑：
:''“因此，描述这样一个有用的量子计算机在任何给定时刻的状态的连续参数的数量必须是...大约10<sup>300</sup>... 我们能不能学会控制定义这样一个系统量子态的超过10<sup>300</sup>个连续可变的参数？我的回答很简单“不，永远不会”。''<ref>{{cite web |last1=Dyakonov |first1=Mikhail |title=The Case Against Quantum Computing |url=https://spectrum.ieee.org/computing/hardware/the-case-against-quantum-computing |website=IEEE Spectrum |accessdate=3 December 2019}}</ref><ref>{{cite book |last1=Dyakonov |first1=Mikhail |title=Will We Ever Have a Quantum Computer? |date=24 March 2020 |url=https://www.springer.com/gp/book/9783030420185 |publisher=Springer |isbn=9783030420185 |accessdate=22 May 2020}}{{page needed|date=May 2020}}</ref>
:''“因此，描述这样一个有用的量子计算机在任何给定时刻的状态的连续参数的数量必须是...大约10<sup>300</sup>... 我们能不能学会控制定义这样一个系统量子态的超过10<sup>300</sup>个连续可变的参数？我的回答很简单“不，永远不会”。''<ref>{{cite web |last1=Dyakonov |first1=Mikhail |title=The Case Against Quantum Computing |url=https://spectrum.ieee.org/computing/hardware/the-case-against-quantum-computing |website=IEEE Spectrum |accessdate=3 December 2019}}</ref><ref>{{cite book |last1=Dyakonov |first1=Mikhail |title=Will We Ever Have a Quantum Computer? |date=24 March 2020 |url=https://www.springer.com/gp/book/9783030420185 |publisher=Springer |isbn=9783030420185 |accessdate=22 May 2020}}</ref>
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==发展==
==发展==