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https://doi.org/10.1103/physrevresearch.3.033093
Title: | Robust semi-device-independent certification of all pure bipartite maximally entangled states via quantum steering | Authors: | Shrotriya, Harshank Bharti, Kishor Kwek, Leong-Chuan |
Issue Date: | 27-Jul-2021 | Publisher: | American Physical Society | Citation: | Shrotriya, Harshank, Bharti, Kishor, Kwek, Leong-Chuan (2021-07-27). Robust semi-device-independent certification of all pure bipartite maximally entangled states via quantum steering. Physical Review Research 3 (3) : 33093. ScholarBank@NUS Repository. https://doi.org/10.1103/physrevresearch.3.033093 | Rights: | Attribution 4.0 International | Abstract: | The idea of self-testing is to render guarantees concerning the inner workings of a device based on the measurement statistics. It is one of the most formidable quantum certification and benchmarking schemes. Recently it was shown A. Coladangelo, K. T. Goh, and V. Scarani, Here, we have adapted their method to show that any bipartite pure entangled state can be certified in the semi-device-independent scenario through quantum steering. Analogous to the tilted Clauser-Horne-Shimony-Holt inequality, we use a steering inequality called the tilted steering inequality for certifying any pure two-qubit entangled state. Furthermore, we use this inequality to certify any bipartite pure entangled state by certifying two-dimensional subspaces of the qudit state by observing the structure of the set of assemblages obtained on the trusted side after measurements are made on the untrusted side. As a feature of quantum state certification via steering, we use the notion of assemblage-based robust state certification to provide robustness bounds for the certification result in the case of pure maximally entangled states of any local dimension. © 2021 Published by the American Physical Society | Source Title: | Physical Review Research | URI: | https://scholarbank.nus.edu.sg/handle/10635/232031 | ISSN: | 2643-1564 | DOI: | 10.1103/physrevresearch.3.033093 | Rights: | Attribution 4.0 International |
Appears in Collections: | Staff Publications Elements |
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