Results 11 to 20 of about 30,582 (261)
npj Quantum Information, 2021 Finding the optimal attainable precisions in quantum multiparameter metrology is a non-trivial problem. One approach to tackling this problem involves the computation of bounds which impose limits on how accurately we can estimate certain physical ...
Lorcán O. Conlon +3 more
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Multiparameter Estimation with Two-Qubit Probes in Noisy Channels
Entropy, 2023 This work compares the performance of single- and two-qubit probes for estimating several phase rotations simultaneously under the action of different noisy channels.
Lorcán O. Conlon +2 more
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Universal photonic quantum computation via time-delayed feedback [PDF]
Proceedings of the National Academy of Sciences of the United States of America, 2017 Soonwon Choi +2 more
exaly +2 more sources
Quantum computing for quantum tunneling [PDF]
Physical Review D, 2021 We demonstrate how quantum field theory problems can be embedded on quantum annealers. The general method we use is a discretisation of the field theory problem into a general Ising model, with the continuous field values being encoded into Ising spin chains.
Steven Abel +2 more
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Enhancing quantum teleportation efficacy with noiseless linear amplification
Nature Communications, 2023 Quantum teleportation constitutes a fundamental tool for various applications in quantum communication and computation. However, state-of-the-art continuous-variable quantum teleportation is restricted to moderate fidelities and short-distance ...
Jie Zhao +8 more
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Business & Information Systems Engineering, 2023 Business & information systems engineering 65(4), 361-367 (2023).
Michael Nofer +4 more
openaire +7 more sources
Communications of the ACM, 2008 Researchers are optimistic, but a practical device is years away.
Michael Ross, Mark Oskin
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17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996 Quantum theory is vital for the next generation data processing devices. As computers become faster they must become smaller because of the finiteness of the speed of light. The history of computer technology has involved a sequence of changes from one type of physical realisation to another - from gears to relays to valves to transistors to integrated
Barenco, A +3 more
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Discriminating mixed qubit states with collective measurements
Communications Physics, 2023 It is a central fact in quantum mechanics that non-orthogonal states cannot be distinguished perfectly. In general, the optimal measurement for distinguishing such states is a collective measurement.
Lorcán O. Conlon +3 more
doaj +1 more source
, 1999 77 pages, figures included in the ps file. To appear in: Annual Reviews of Computational Physics, ed. Dietrich Stauffer, World Scientific, vol VI, 1998. The paper can be down loaded also from http://www.math.ias.edu/~doria/
openaire +3 more sources