Matches in SemOpenAlex for { <https://semopenalex.org/work/W2022154593> ?p ?o ?g. }
- W2022154593 abstract "A ``no-knowledge'' measurement of an open quantum system yields no information about any system observable; it only returns noise input from the environment. Surprisingly, performing such a no-knowledge measurement can be advantageous. We prove that a system undergoing no-knowledge monitoring has reversible noise, which can be canceled by directly feeding back the measurement signal. We show how no-knowledge feedback control can be used to cancel decoherence in an arbitrary quantum system coupled to a Markovian reservoir that is being monitored. Since no-knowledge feedback does not depend on the system state or Hamiltonian, such decoherence cancellation is guaranteed to be general and robust, and can operate in conjunction with any other quantum control protocol. As an application, we show that no-knowledge feedback could be used to improve the performance of dissipative quantum computers subjected to local loss." @default.
- W2022154593 created "2016-06-24" @default.
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- W2022154593 date "2014-07-10" @default.
- W2022154593 modified "2023-10-17" @default.
- W2022154593 title "Ignorance Is Bliss: General and Robust Cancellation of Decoherence via No-Knowledge Quantum Feedback" @default.
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- W2022154593 doi "https://doi.org/10.1103/physrevlett.113.020407" @default.
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