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of 69
pro vyhledávání: '"Theurer, Thomas"'
We study entanglement distillation and dilution of states and channels in the single-shot regime. With the help of a recently introduced conversion distance, we provide compact closed-form expressions for the dilution and distillation of pure states
Externí odkaz:
http://arxiv.org/abs/2312.17088
Publikováno v:
Quantum 8, 1368 (2024)
Using local operations and classical communication (LOCC), entanglement can be manipulated but not created. However, entanglement can be embezzled. In this work, we completely characterize universal embezzling families and demonstrate how this single
Externí odkaz:
http://arxiv.org/abs/2303.17749
Publikováno v:
New J. Phys. 25 123017 (2023)
Thermodynamics plays an important role both in the foundations of physics and in technological applications. An operational perspective adopted in recent years is to formulate it as a quantum resource theory. At the core of this theory is the interco
Externí odkaz:
http://arxiv.org/abs/2301.06048
Autor:
Theurer, Thomas1 (AUTHOR) thomas.theurer2@abdn.ac.uk, Mauquoy, Dmitri1 (AUTHOR), Hadden, Rory2 (AUTHOR), Muirhead, David1 (AUTHOR), Campbell-Lochrie, Zakary2 (AUTHOR), Córdoba, Sergio Vargas2 (AUTHOR), von Scheffer, Clemens1 (AUTHOR), Coathup, Daniel Thomas1 (AUTHOR)
Publikováno v:
Scientific Reports. 11/2/2024, Vol. 14 Issue 1, p1-13. 13p.
Publikováno v:
Phys. Rev. Lett. 129, 120501 (2022)
Shor's factoring algorithm provides a super-polynomial speed-up over all known classical factoring algorithms. Here, we address the question of which quantum properties fuel this advantage. We investigate a sequential variant of Shor's algorithm with
Externí odkaz:
http://arxiv.org/abs/2203.10632
Publikováno v:
Phys. Rev. A 103, 042426 (2021)
Quantum coherence is one of the key features that fuels applications for which quantum mechanics exceeds the power of classical physics. This explains the considerable efforts that were undertaken to quantify coherence via quantum resource theories.
Externí odkaz:
http://arxiv.org/abs/2102.04863
Publikováno v:
Commun. Math. Phys. 398, 291-351 (2023)
We study asymptotic state transformations in continuous variable quantum resource theories. In particular, we prove that monotones displaying lower semicontinuity and strong superadditivity can be used to bound asymptotic transformation rates in thes
Externí odkaz:
http://arxiv.org/abs/2010.00044
Publikováno v:
Phys. Rev. Lett. 125, 130401 (2020)
Coherent superposition and entanglement are two fundamental aspects of non-classicality. Here we provide a quantitative connection between the two on the level of operations by showing that the dynamical coherence of an operation upper bounds the dyn
Externí odkaz:
http://arxiv.org/abs/2004.04536
Akademický článek
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Autor:
Xu, Huichao, Xu, Feixiang, Theurer, Thomas, Egloff, Dario, Liu, Zi-Wen, Yu, Nengkun, Plenio, Martin B., Zhang, Lijian
Publikováno v:
Phys. Rev. Lett. 125, 060404 (2020)
Quantum coherence is a fundamental resource that quantum technologies exploit to achieve performance beyond that of classical devices. A necessary prerequisite to achieve this advantage is the ability of measurement devices to detect coherence from t
Externí odkaz:
http://arxiv.org/abs/1910.08779