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Real quantum amplitude estimation
| dc.contributor.author | Manzano, Alberto | |
| dc.contributor.author | Musso, Daniele | |
| dc.contributor.author | Leitao, Álvaro | |
| dc.date.accessioned | 2023-03-21T19:30:01Z | |
| dc.date.available | 2023-03-21T19:30:01Z | |
| dc.date.issued | 2023 | |
| dc.identifier.citation | Manzano, A., Musso, D. & Leitao, Á. Real quantum amplitude estimation. EPJ Quantum Technol. 10, 2 (2023). https://doi.org/10.1140/epjqt/s40507-023-00159-0 | es_ES |
| dc.identifier.issn | 2196-0763 | |
| dc.identifier.uri | http://hdl.handle.net/2183/32730 | |
| dc.description.abstract | [Abstract]: We introduce the Real Quantum Amplitude Estimation (RQAE) algorithm, an extension of Quantum Amplitude Estimation (QAE) which is sensitive to the sign of the amplitude. RQAE is an iterative algorithm which offers explicit control over the amplification policy through an adjustable parameter. We provide a rigorous analysis of the RQAE performance and prove that it achieves a quadratic speedup, modulo logarithmic corrections, with respect to unamplified sampling. Besides, we corroborate the theoretical analysis with a set of numerical experiments. | es_ES |
| dc.description.sponsorship | Xunta de Galicia; ED431G 2019/01 | es_ES |
| dc.description.sponsorship | All authors acknowledge the European Project NExt ApplicationS of Quantum Computing (NEASQC), funded by Horizon 2020 Program inside the call H2020-FETFLAG-2020-01(Grant Agreement 951821). A. Manzano and Á. Leitao wish to acknowledge the support received from the Centro de Investigación de Galicia “CITIC”, funded by Xunta de Galicia and the European Union (European Regional Development Fund- Galicia 2014-2020 Program), by grant ED431G 2019/01. D. Musso acknowledges support from the Physics Department at Oviedo University (UNIOVI), the High Energy Physics Group (FPAUO) and the Institute of Space Sciences and Technologies of Asturias (ICTEA). | |
| dc.language.iso | eng | es_ES |
| dc.publisher | Springer | es_ES |
| dc.relation | info:eu-repo/grantAgreement/EC/H2020/951821 | es_ES |
| dc.relation.uri | https://doi.org/10.1140/epjqt/s40507-023-00159-0 | es_ES |
| dc.rights | Atribución 4.0 Internacional | es_ES |
| dc.rights.uri | https://creativecommons.org/licenses/by/4.0/deed.es | * |
| dc.title | Real quantum amplitude estimation | es_ES |
| dc.type | info:eu-repo/semantics/article | es_ES |
| dc.rights.access | info:eu-repo/semantics/openAccess | es_ES |
| UDC.journalTitle | EPJ Quantum Technology | es_ES |
| UDC.volume | 10 | es_ES |
| UDC.issue | 2 | es_ES |
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