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pro vyhledávání: '"Meill, Alexander"'
The optimal runtime of a quantum computer searching a database is typically cited as the square root of the number of items in the database, which is famously achieved by Grover's algorithm. With parallel oracles, however, it is possible to search fa
Externí odkaz:
http://arxiv.org/abs/2408.05376
We provide a simplified characterization of entanglement in physical systems which are symmetric under the action of subgroups of the symmetric group acting on the party labels. Sets of entanglements are inherently equal, lying in the same orbit unde
Externí odkaz:
http://arxiv.org/abs/2011.14507
Autor:
Meill, Alexander, Meyer, David A.
Non-linear dynamics in the quantum random walk setting have been shown to enable conditional speedup of Grover's algorithm. We examine the mean field approximation required for the use of the Gross-Pitaevskii equation on identical bosons evolving on
Externí odkaz:
http://arxiv.org/abs/1910.14521
Autor:
Meill, Alexander, Meyer, David A.
Publikováno v:
Phys. Rev. A 100, 042318 (2019)
We provide an initial characterization of pairwise concurrence in quantum states which are invariant under cyclic permutations of party labeling. We prove that maximal entanglement can be entirely described by adjacent pairs, then give explicit descr
Externí odkaz:
http://arxiv.org/abs/1802.06877
Autor:
Meill, Alexander, Meyer, David A.
Publikováno v:
Phys. Rev. A 96, 062310 (2017)
For pure symmetric 3-qubit states there are only three algebraically independent entanglement measures; one choice is the pairwise concurrence $\mathcal C$, the 3-tangle $\tau$, and the Kempe invariant $\kappa$. Using a canonical form for symmetric $
Externí odkaz:
http://arxiv.org/abs/1702.07295
Akademický článek
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Autor:
Meill, Alexander
Publikováno v:
Meill, Alexander. (2019). Constraints on Quantum Entanglement in Symmetric Physical Systems. UC San Diego: Physics. Retrieved from: http://www.escholarship.org/uc/item/68n995zv
Quantum entanglement rapidly becomes unwieldy to calculate as the number of particlesand the dimension of the spaces associated to those particles increase. One meaningful approachwhich simplifies that analysis is the restriction to subsets of states
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::5708af0adc485a037b8e7114bf860fc9
http://www.escholarship.org/uc/item/68n995zv
http://www.escholarship.org/uc/item/68n995zv