A Computable Criterion for Partial Entanglement in Continuous Variable Quantum Systems
Andreas Gabriel, Marcus Huber, Sasa Radic, Beatrix C. Hiesmayr
TL;DR
This paper introduces a practical criterion for detecting partial entanglement in continuous variable quantum systems, enabling experimental verification with minimal local measurements.
Contribution
It provides a new, computable, and experimentally feasible criterion for k-separability in continuous multipartite quantum systems, improving detection efficiency.
Findings
Criterion is experimentally implementable with few local observables
Detection quality can be optimized
Applicable to continuous multipartite quantum systems
Abstract
A general and computable criterion for k-(in)separability in continuous multipartite quantum systems is presented. The criterion can be experimentally implemented with a finite and comparatively low number of local observables. We discuss in detail how the detection quality can be optimised.
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Taxonomy
TopicsQuantum Computing Algorithms and Architecture · Quantum Mechanics and Applications · Quantum Information and Cryptography