• Corpus ID: 246275896

Tripartite entanglement in quantum memristors

@inproceedings{Kumar2022TripartiteEI,
  title={Tripartite entanglement in quantum memristors},
  author={S Kumar and F. A. C'ardenas-L'opez and N. N. Hegade and Francisco Albarr'an-Arriagada and Enrique Solano and Gabriel Alvarado Barrios},
  year={2022}
}
S. Kumar,1 F. A. Cárdenas-López,1 N. N. Hegade,1 F. Albarrán-Arriagada,1, ∗ E. Solano,1, 2, 3, † and G. Alvarado Barrios1, ‡ International Center of Quantum Artificial Intelligence for Science and Technology (QuArtist) and Physics Department, Shanghai University, 200444 Shanghai, China IKERBASQUE, Basque Foundation for Science, Plaza Euskadi, 5, 48009 Bilbao, Spain Kipu Quantum, Kurwenalstrasse 1, 80804 Munich, Germany 
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This work introduces the concept of a quantum memristor as a quantum dissipative device, whose decoherence mechanism is controlled by a continuous-measurement feedback scheme, which accounts for the memory.
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TLDR
It is shown that the characteristic hysteretic behavior of memristors can be reproduced when analyzing the response of the system with respect to the control, for different experimentally attainable states.
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Consider three qubits A, B, and C which may be entangled with each other. We show that there is a trade-off between A’s entanglement with B and its entanglement with C. This relation is expressed in…
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We prove exactly that the squared entanglement of formation, which quantifies the bipartite entanglement, obeys a general monogamy inequality in an arbitrary multiqubit mixed state. Based on this…
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It is shown that superconducting charge and phase qubits are quantum versions of memory capacitive and inductive systems, respectively. We demonstrate that such quantum memcapacitive and meminductive…
Quantum Memristors in Quantum Photonics
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This work designs an effective beam splitter, which is tunable in real time, by means of a Mach-Zehnder-type array with two equal 50:50 beam splitters and a tunable retarder, which allows it to control its reflectivity and shows how to codify quantum information in the coherent beams.
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Memristive devices are a class of physical systems with history-dependent dynamics characterized by signature hysteresis loops in their input–output relations. In the past few decades, memristive…
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In his original work Josephson predicted that a phase-dependent conductance should be present in superconducting tunnel junctions, an effect difficult to detect, mainly because it is hard to single…
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This work develops a two-dimensional programmable superconducting quantum processor, Zuchongzhi, which is composed of 66 functional qubits in a tunable coupling architecture and establishes an unambiguous quantum computational advantage that is infeasible for classical computation in a reasonable amount of time.
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