Artículo
Robust self-testing of quantum systems via noncontextuality Inequalities
Autor/es | Bharti, Kishor
Ray, Maharshi Varvitsiotis, Antonios Warsi, Naqueeb Ahmad Cabello Quintero, Adán ![]() ![]() ![]() ![]() ![]() ![]() Kwek, Leong Chuan |
Departamento | Universidad de Sevilla. Departamento de Física Aplicada II |
Fecha de publicación | 2019-06-26 |
Fecha de depósito | 2024-01-10 |
Publicado en |
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Resumen | Characterizing unknown quantum states and measurements is a fundamental problem in quantum information processing. In this Letter, we provide a novel scheme to self-test local quantum systems using noncontextuality ... Characterizing unknown quantum states and measurements is a fundamental problem in quantum information processing. In this Letter, we provide a novel scheme to self-test local quantum systems using noncontextuality inequalities. Our work leverages the graph-theoretic framework for contextuality introduced by Cabello, Severini, and Winter, combined with tools from mathematical optimization that guarantee the unicity of optimal solutions. As an application, we show that the celebrated Klyachko-Can-Binicioğlu-Shumovsky inequality and its generalization to contextuality scenarios with odd n-cycle compatibility relations admit robust self-testing. |
Agencias financiadoras | Ministry of Education of Singapore Ministerio de Economia, Industria y Competitividad (MINECO). España Junta de Andalucía European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) Knut and Alice Wallenberg Foundation |
Identificador del proyecto | FIS2017-89609-P
![]() SOMM17/6105/UGR ![]() R-266-000-111-133 ![]() NRF-NRFF2018-01 ![]() R-263-000-D02-281 ![]() |
Cita | Bharti, K., Ray, M., Varvitsiotis, A., Warsi, N.A., Cabello Quintero, A. y Kwek, L.C. (2019). Robust self-testing of quantum systems via noncontextuality Inequalities. Physical Review Letters, 122 (250403). https://doi.org/10.1103/PhysRevLett.122.250403. |
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