Zobrazeno 1 - 10
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pro vyhledávání: '"Laverick, Kiarn"'
Autor:
Villegas-Aguilar, Luis, Polino, Emanuele, Ghafari, Farzad, Quintino, Marco Túlio, Laverick, Kiarn, Berkman, Ian R., Rogge, Sven, Shalm, Lynden K., Tischler, Nora, Cavalcanti, Eric G., Slussarenko, Sergei, Pryde, Geoff J.
Publikováno v:
Nat. Commun. 15, 3112 (2024)
Bell nonlocality refers to correlations between two distant, entangled particles that challenge classical notions of local causality. Beyond its foundational significance, nonlocality is crucial for device-independent technologies like quantum key di
Externí odkaz:
http://arxiv.org/abs/2309.06501
Publikováno v:
PRX Quantum 4, 040340 (2023)
State smoothing is a technique to estimate a state at a particular time, conditioned on information obtained both before (past) and after (future) that time. For a classical system, the smoothed state is a normalized product of the $\textit{filtered
Externí odkaz:
http://arxiv.org/abs/2305.12970
Publikováno v:
Phys. Rev. A 104, 032213 (2021)
Quantum state smoothing is a technique to estimate an unknown true state of an open quantum system based on partial measurement information both prior and posterior to the time of interest. In this paper, we show that the smoothed quantum state is an
Externí odkaz:
http://arxiv.org/abs/2106.02354
Publikováno v:
Phys. Rep., 930 (2021), pp. 1-40
Quantum state estimation for continuously monitored dynamical systems involves assigning a quantum state to an individual system at some time, conditioned on the results of continuous observations. The quality of the estimation depends on how much ob
Externí odkaz:
http://arxiv.org/abs/2104.02911
Autor:
Laverick, Kiarn T.
Publikováno v:
Phys. Rev. Research 3, 033196 (2021)
Smoothing is a technique that estimates the state of a system using measurement information both prior and posterior to the estimation time. Two notable examples of this technique are the Rauch-Tung-Striebel and Mayne-Fraser-Potter smoothing techniqu
Externí odkaz:
http://arxiv.org/abs/2010.11027
Publikováno v:
Phys. Rev. A 103, 012213 (2021)
Quantum state smoothing is a technique to construct an estimate of the quantum state at a particular time, conditioned on a measurement record from both before and after that time. The technique assumes that an observer, Alice, monitors part of the e
Externí odkaz:
http://arxiv.org/abs/2008.13348
Publikováno v:
Quantum Stud.: Math. Found. (2020)
Quantum state smoothing is a technique for estimating the quantum state of a partially observed quantum system at time $\tau$, conditioned on an entire observed measurement record (both before and after $\tau$). However, this smoothing technique requ
Externí odkaz:
http://arxiv.org/abs/2002.04795
Publikováno v:
Phys. Rev. Lett. 122, 190402 (2019)
Quantum state smoothing is a technique for assigning a valid quantum state to a partially observed dynamical system, using measurement records both prior and posterior to an estimation time. We show that the technique is greatly simplified for Linear
Externí odkaz:
http://arxiv.org/abs/1901.00225
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Publikováno v:
Phys. Rev. A 97, 042334 (2018)
The problem of measuring a time-varying phase, even when the statistics of the variation is known, is considerably harder than that of measuring a constant phase. In particular, the usual bounds on accuracy - such as the $1/(4\bar{n})$ standard quant
Externí odkaz:
http://arxiv.org/abs/1710.08548