Optimality of semiquantum nonlocality in the presence of high inconclusive rates
Abstract
Quantum nonlocality is a counterintuitive phenomenon that lies beyond the purview of causal influences. Recently, Bell inequalities have been generalized to the case of quantum inputs, leading to a powerful family of semiquantum Bell inequalities that are capable of detecting any entangled state. We focus on a different problem and investigate how the local indistinguishability of quantum inputs and postselection may affect the requirements to detect semiquantum nonlocality. Moreover, we consider a semiquantum nonlocal game based on locally indistinguishable qubit inputs, and derive its postselected local and quantum bounds by using a connection to the local distinguishability of quantum states. Interestingly, we find that the postselected local bound is independent of the measurement efficiency, and the achievable postselected Bell violation increases with decreasing measurement efficiency.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1237146
- Alternate Identifier(s):
- OSTI ID: 1236540
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review A
- Additional Journal Information:
- Journal Volume: 93; Journal Issue: 02; Journal ID: ISSN 2469-9926
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Lim, Charles Ci Wen. Optimality of semiquantum nonlocality in the presence of high inconclusive rates. United States: N. p., 2016.
Web. doi:10.1103/PhysRevA.93.020101.
Lim, Charles Ci Wen. Optimality of semiquantum nonlocality in the presence of high inconclusive rates. United States. https://doi.org/10.1103/PhysRevA.93.020101
Lim, Charles Ci Wen. Mon .
"Optimality of semiquantum nonlocality in the presence of high inconclusive rates". United States. https://doi.org/10.1103/PhysRevA.93.020101. https://www.osti.gov/servlets/purl/1237146.
@article{osti_1237146,
title = {Optimality of semiquantum nonlocality in the presence of high inconclusive rates},
author = {Lim, Charles Ci Wen},
abstractNote = {Quantum nonlocality is a counterintuitive phenomenon that lies beyond the purview of causal influences. Recently, Bell inequalities have been generalized to the case of quantum inputs, leading to a powerful family of semiquantum Bell inequalities that are capable of detecting any entangled state. We focus on a different problem and investigate how the local indistinguishability of quantum inputs and postselection may affect the requirements to detect semiquantum nonlocality. Moreover, we consider a semiquantum nonlocal game based on locally indistinguishable qubit inputs, and derive its postselected local and quantum bounds by using a connection to the local distinguishability of quantum states. Interestingly, we find that the postselected local bound is independent of the measurement efficiency, and the achievable postselected Bell violation increases with decreasing measurement efficiency.},
doi = {10.1103/PhysRevA.93.020101},
journal = {Physical Review A},
number = 02,
volume = 93,
place = {United States},
year = {Mon Feb 01 00:00:00 EST 2016},
month = {Mon Feb 01 00:00:00 EST 2016}
}
Web of Science
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Works referencing / citing this record:
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