Entanglement of purification for multipartite states and its holographic dual
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep10(2018)152
Abstract: A bstractWe introduce a new information-theoretic measure of multipartite correlations ΔP, by generalizing the entanglement of purification to multipartite states. We provide proofs of its various properties, focusing on several entropic inequalities, in generic quantum… read more here.
Keywords: multipartite states; entanglement purification; multipartite entanglement; purification ... See more keywords
Matched witness for multipartite entanglement
Sign Up to like & getrecommendations! Published in 2017 at "Quantum Information Processing"
DOI: 10.1007/s11128-017-1529-7
Abstract: Entanglement criteria for multipartite entangled states are obtained by matching witnesses to multipartite entangled states. The necessary and sufficient criterion of separability for three qubit X states is given as an example to illustrate the… read more here.
Keywords: matched witness; entanglement; multipartite entanglement; separability ... See more keywords
Genuine multipartite entanglement measure
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Physics A: Mathematical and Theoretical"
DOI: 10.1088/1751-8121/ac5649
Abstract: Quantifying genuine entanglement is a crucial task in quantum information theory. In this work, we give an approach of constituting genuine m-partite entanglement measures from any bipartite entanglement and any k-partite entanglement measure, 3 ⩽… read more here.
Keywords: system; entanglement measure; measure; multipartite entanglement ... See more keywords
Relating spin squeezing to multipartite entanglement criteria for particles and modes
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.102.012412
Abstract: Entanglement witnesses based on first and second moments exist in the form of spin-squeezing criteria for the detection of particle entanglement from collective measurements, and in form of modified uncertainty relations for the detection of… read more here.
Keywords: spin squeezing; relating spin; spin; squeezing multipartite ... See more keywords
Device-independent certification of multipartite entanglement using measurements performed in randomly chosen triads
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.102.022419
Abstract: We consider the problem of demonstrating non-Bell-local correlations by performing local measurements in randomly chosen triads, i.e., three mutually unbiased bases, on a multipartite Greenberger-Horne-Zeilinger state. Our main interest lies on investigating the feasibility of… read more here.
Keywords: randomly chosen; chosen triads; independent certification; device independent ... See more keywords
Growth of genuine multipartite entanglement in random unitary circuits
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.102.062431
Abstract: We study the growth of genuine multipartite entanglement in random unitary circuit models consisting of both short- and long-range unitaries. We observe that circuits with short-range unitaries are optimal for generating large global entanglement, which,… read more here.
Keywords: growth genuine; entanglement random; genuine multipartite; multipartite entanglement ... See more keywords
General framework for genuine multipartite entanglement detection
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.107.052405
Abstract: Design of detection strategies for multipartite entanglement stands as a central importance on our understanding of fundamental quantum mechanics and has had substantial impact on quantum information applications. However, accurate and robust detection approaches are… read more here.
Keywords: quantum; multipartite entanglement; genuine multipartite; framework ... See more keywords
Effect of long-range interactions on multipartite entanglement in Heisenberg chains
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.99.062318
Abstract: It is well known that the notions of spatial locality are often lost in quantum systems with long-range interactions, as exhibited by emergence of phases with exotic long-range order and faster propagation of quantum correlations.… read more here.
Keywords: effect long; range; long range; range interactions ... See more keywords
Multipartite entanglement and quantum Fisher information in conformal field theories
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review D"
DOI: 10.1103/physrevd.96.126007
Abstract: Bipartite entanglement entropy of a segment with the length $l$ in $1+1$ dimensional conformal field theories (CFT) follows the formula $S=\frac{c}{3}\ln l+\gamma$, where $c$ is the central charge of the CFT and $\gamma$ is a… read more here.
Keywords: quantum fisher; fisher information; conformal field; entanglement ... See more keywords
Metrological Detection of Multipartite Entanglement from Young Diagrams.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.126.080502
Abstract: We characterize metrologically useful multipartite entanglement by representing partitions with Young diagrams. We derive entanglement witnesses that are sensitive to the shape of Young diagrams and show that Dyson's rank acts as a resource for… read more here.
Keywords: metrological detection; entanglement young; young diagrams; detection multipartite ... See more keywords
Thermodynamic Signatures of Genuinely Multipartite Entanglement.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.070601
Abstract: The theory of bipartite entanglement shares profound similarities with thermodynamics. In this Letter we extend this connection to multipartite quantum systems where entanglement appears in different forms with genuine entanglement being the most exotic one.… read more here.
Keywords: thermodynamic signatures; signatures genuinely; genuinely multipartite; multipartite entanglement ... See more keywords