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Decoherence from dipolar interspin interactions in molecular spin qubits
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Decoherence from dipolar interspin interactions in molecular spin qubits
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| dc.contributor.author | Escalera Moreno, Luis | |
| dc.contributor.author | Gaita Ariño, Alejandro | |
| dc.contributor.author | Coronado Miralles, Eugenio | |
| dc.date.accessioned | 2020-04-06T09:40:16Z | |
| dc.date.available | 2020-04-06T09:40:16Z | |
| dc.date.issued | 2019 | |
| dc.identifier.citation | Escalera Moreno, Luis Gaita Ariño, Alejandro Coronado Miralles, Eugenio 2019 Decoherence from dipolar interspin interactions in molecular spin qubits Physical Review B 100 064405-1 064405-9 | |
| dc.identifier.uri | https://hdl.handle.net/10550/73783 | |
| dc.description.abstract | The realization of spin-based logical gates crucially depends on magnetically coupled spin qubits. Thus, understanding decoherence when spin qubits are in close proximity will become a roadblock to overcome. Herein, we propose a method free of fitting parameters to evaluate the qubit phase memory time Tm in samples with high electron spin concentrations. The method is based on a model aimed to estimate magnetic nuclear decoherence [P. C. E. Stamp and I. S. Tupitsyn, Phys. Rev. B 69, 014401 (2004)]. It is applied to a ground-spin J=8 magnetic molecule 1 displaying atomic clock transitions, namely [HoIII(W5O18)2]9−, which remarkably increase Tm at unusually high electron-spin concentrations. Our approach unveils the causes that limit the coherence reached at the clock transitions in challenging systems such as 1, where recent models fail. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review B, 2019, vol. 100, p. 064405-1-064405-9 | |
| dc.subject | Quàntums, Teoria dels | |
| dc.title | Decoherence from dipolar interspin interactions in molecular spin qubits | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2020-04-06T09:40:16Z | |
| dc.identifier.doi | 10.1103/PhysRevB.100.064405 | |
| dc.identifier.idgrec | 134504 | |
| dc.rights.accessRights | open access | es_ES |
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