General class of continuous variable entanglement criteria Article Swipe
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Quantum entanglement
Continuous variable
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Detector
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Computer science
Mathematics
Applied mathematics
Statistical physics
Mathematical optimization
Physics
Quantum mechanics
Artificial intelligence
Quantum
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Martin Gärttner
,
T. Haas
,
Johannes Noll
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2211.17160
· OA: W4310561866
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2211.17160
· OA: W4310561866
We present a general class of entanglement criteria for continuous variable systems. Our criteria are based on the Husimi $Q$-distribution and allow for optimization over the set of all concave functions rendering them extremely general and versatile. We show that several entropic criteria and second moment criteria are obtained as special cases. Our criteria reveal entanglement of families of states undetected by any commonly used criteria and provide clear advantages under typical experimental constraints such as finite detector resolution and measurement statistics.
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