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Conference Paper: Protection of dissipative quantum state preparation by interlacing the control with dynamical decoupling pulses

TitleProtection of dissipative quantum state preparation by interlacing the control with dynamical decoupling pulses
Authors
Issue Date2012
PublisherAmerican Physical Society.
Citation
The 2012 March Meeting of the American Physical Society (APS), Boston, MA., 27 February-2 March 2012. In Bulletin of the American Physical Society, 2012, v. 57 n. 1, abstract: J4.00006 How to Cite?
AbstractVarious dissipative processes have recently be exploited for preparing quantum state with multipartite entanglement between many qubits. Most such schemes are applicable only to an ensemble of identical qubits, and inhomogeneous broadening will reduce the state preparation fidelity. Here we show that by interlacing the dynamical decoupling pulse sequence with the dissipative state preparation control, the errors resulting from the inhomogeneous broadening can be suppressed up to certain order of the pulse interval and the desired entangled states can be prepared with high fidelity. We give two examples where sequence of pi pulses interlaced with dissipative control realize high fidelity preparation of cluster states and many-body singlets of atomic qubits.
DescriptionSession J4: Non-equilibrium Dynamics with Quantum Gases: Abstract ID: BAPS.2012.MAR.J4.6
Persistent Identifierhttp://hdl.handle.net/10722/165690

 

DC FieldValueLanguage
dc.contributor.authorGong, Zen_US
dc.contributor.authorYao, Wen_US
dc.date.accessioned2012-09-20T08:22:13Z-
dc.date.available2012-09-20T08:22:13Z-
dc.date.issued2012en_US
dc.identifier.citationThe 2012 March Meeting of the American Physical Society (APS), Boston, MA., 27 February-2 March 2012. In Bulletin of the American Physical Society, 2012, v. 57 n. 1, abstract: J4.00006en_US
dc.identifier.urihttp://hdl.handle.net/10722/165690-
dc.descriptionSession J4: Non-equilibrium Dynamics with Quantum Gases: Abstract ID: BAPS.2012.MAR.J4.6-
dc.description.abstractVarious dissipative processes have recently be exploited for preparing quantum state with multipartite entanglement between many qubits. Most such schemes are applicable only to an ensemble of identical qubits, and inhomogeneous broadening will reduce the state preparation fidelity. Here we show that by interlacing the dynamical decoupling pulse sequence with the dissipative state preparation control, the errors resulting from the inhomogeneous broadening can be suppressed up to certain order of the pulse interval and the desired entangled states can be prepared with high fidelity. We give two examples where sequence of pi pulses interlaced with dissipative control realize high fidelity preparation of cluster states and many-body singlets of atomic qubits.-
dc.languageengen_US
dc.publisherAmerican Physical Society.-
dc.relation.ispartofBulletin of the American Physical Societyen_US
dc.rightsBulletin of the American Physical Society. Copyright © American Physical Society.-
dc.titleProtection of dissipative quantum state preparation by interlacing the control with dynamical decoupling pulsesen_US
dc.typeConference_Paperen_US
dc.identifier.emailGong, Z: gongzr@hku.hken_US
dc.identifier.emailYao, W: wangyao@hku.hken_US
dc.identifier.authorityYao, W=rp00827en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.hkuros207155en_US
dc.identifier.volume57-
dc.identifier.issue1-
dc.publisher.placeUnited States-
dc.description.otherThe 2012 March Meeting of the American Physical Society (APS), Boston, MA., 27 February-2 March 2012. In Bulletin of the American Physical Society, 2012, v. 57 n. 1, abstract: J4.00006-

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