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Pregled bibliografske jedinice broj: 1202182

Nanomechanical cat states generated by a dc voltage-driven Cooper pair box qubit


Radić, Danko; Choi, Sang-Jun; Park, Hee Chul; Suh, Junho; Shekhter, Robert I.; Gorelik, Leonid Y.
Nanomechanical cat states generated by a dc voltage-driven Cooper pair box qubit // npj Quantum Information, 8 (2022), 74, 5 doi:10.1038/s41534-022-00584-6 (međunarodna recenzija, članak, znanstveni)


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Naslov
Nanomechanical cat states generated by a dc voltage-driven Cooper pair box qubit

Autori
Radić, Danko ; Choi, Sang-Jun ; Park, Hee Chul ; Suh, Junho ; Shekhter, Robert I. ; Gorelik, Leonid Y.

Izvornik
Npj Quantum Information (2056-6387) 8 (2022); 74, 5

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Cooper pair box qubit, nanomechanics, cat states

Sažetak
We study a nanoelectromechanical system consisting of a Cooper pair box qubit performing nanomechanical vibrations between two bulk superconductors. We demonstrate that a bias voltage applied to the superconductors may generate states represented by entanglement between qubit states and quantum ’cat states’, i.e. a superposition of the coherent states of the nanomechanical oscillator. We characterize the formation and development of such states in terms of the corresponding Wigner function and entropy of entanglement. Also, we propose an experimentally feasible detection scheme for the effect, in which the average current that attains the specific features created by the entanglement is measured.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
HRZZ-IP-2016-06-2289 - Kolektivni efekti, tunelirajući i topološki transport u novim nanospojevima (C3TiNN) (Radić, Danko, HRZZ - 2016-06) ( CroRIS)
EK-EFRR-KK.01.1.1.01.0004 - Provedba vrhunskih istraživanja u sklopu Znanstvenog centra izvrsnosti za kvantne i kompleksne sustave te reprezentacije Liejevih algebri (QuantiXLie) (Buljan, Hrvoje; Pandžić, Pavle; Tuček, Vit; Marketin, Tomislav, EK - KK.01.1.1.01) ( CroRIS)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Danko Radić (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada doi www.nature.com

Citiraj ovu publikaciju:

Radić, Danko; Choi, Sang-Jun; Park, Hee Chul; Suh, Junho; Shekhter, Robert I.; Gorelik, Leonid Y.
Nanomechanical cat states generated by a dc voltage-driven Cooper pair box qubit // npj Quantum Information, 8 (2022), 74, 5 doi:10.1038/s41534-022-00584-6 (međunarodna recenzija, članak, znanstveni)
Radić, D., Choi, S., Park, H., Suh, J., Shekhter, R. & Gorelik, L. (2022) Nanomechanical cat states generated by a dc voltage-driven Cooper pair box qubit. npj Quantum Information, 8, 74, 5 doi:10.1038/s41534-022-00584-6.
@article{article, author = {Radi\'{c}, Danko and Choi, Sang-Jun and Park, Hee Chul and Suh, Junho and Shekhter, Robert I. and Gorelik, Leonid Y.}, year = {2022}, pages = {5}, DOI = {10.1038/s41534-022-00584-6}, chapter = {74}, keywords = {Cooper pair box qubit, nanomechanics, cat states}, journal = {npj Quantum Information}, doi = {10.1038/s41534-022-00584-6}, volume = {8}, issn = {2056-6387}, title = {Nanomechanical cat states generated by a dc voltage-driven Cooper pair box qubit}, keyword = {Cooper pair box qubit, nanomechanics, cat states}, chapternumber = {74} }
@article{article, author = {Radi\'{c}, Danko and Choi, Sang-Jun and Park, Hee Chul and Suh, Junho and Shekhter, Robert I. and Gorelik, Leonid Y.}, year = {2022}, pages = {5}, DOI = {10.1038/s41534-022-00584-6}, chapter = {74}, keywords = {Cooper pair box qubit, nanomechanics, cat states}, journal = {npj Quantum Information}, doi = {10.1038/s41534-022-00584-6}, volume = {8}, issn = {2056-6387}, title = {Nanomechanical cat states generated by a dc voltage-driven Cooper pair box qubit}, keyword = {Cooper pair box qubit, nanomechanics, cat states}, chapternumber = {74} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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