Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Entangled three-qubit states without concurrence and three-tangle.

Robert Lohmayer1, Andreas Osterloh, Jens Siewert

  • 1Institut für Theoretische Physik, Universität Regensburg, D-93040 Regensburg, Germany.

Physical Review Letters
|February 7, 2007
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

GGTyper: genotyping complex structural variants using short-read sequencing data.

Bioinformatics (Oxford, England)·2024
Same author

Spatial Cellular Networks from omics data with SpaCeNet.

Genome research·2024
Same author

IL-2 and TCR stimulation induce expression and secretion of IL-32β by human T cells.

Frontiers in immunology·2024
Same author

Restricting datasets to classifiable samples augments discovery of immune disease biomarkers.

Nature communications·2024
Same author

Interplay of Andreev Reflection and Coulomb Blockade in Hybrid Superconducting Single-Electron Transistors.

Physical review letters·2024
Same author

T cell-mediated elimination of cancer cells by blocking CEACAM6-CEACAM1 interaction.

Oncoimmunology·2022
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

This study analyzes mixed three-qubit states, revealing how entanglement monogamy differs between pure and mixed states. It introduces methods to quantify and analyze three-qubit entanglement, offering insights into multipartite quantum systems.

Area of Science:

  • Quantum Information Theory
  • Multiatom Quantum Systems
  • Quantum Entanglement

Background:

  • Mixed three-qubit states are crucial for quantum information processing.
  • Understanding entanglement properties in multipartite systems is a key challenge.
  • Existing studies often focus on pure states or two-qubit systems.

Purpose of the Study:

  • To provide a comprehensive analysis of mixed three-qubit states.
  • To investigate entanglement measures like the three-tangle for mixed states.
  • To explore the monogamy of entanglement in multipartite mixed states.

Main Methods:

  • Analysis of mixed states combining Greenberger-Horne-Zeilinger (GHZ) and W states.
  • Determination of optimal decompositions and convex roofs for the three-tangle.

Related Experiment Videos

  • Development of an analytical method to detect vanishing three-tangle in rank-2 states.
  • Application of the Coffman-Kundu-Wootters (CKW) inequality.

    • Main Results:

    • Optimal decompositions and convex roofs for the three-tangle were determined.
    • An analytical method for identifying vanishing three-tangle in rank-2 states was established.
    • Significant differences in entanglement properties between two-qubit and three-qubit mixed states were observed.
    • The study demonstrates that entanglement monogamy can be overcome in mixed states.

    Conclusions:

    • The findings provide quantitative references for multipartite mixed state entanglement.
    • Entanglement monogamy, a property of pure states, can be lifted in mixed states.
    • This research deepens the understanding of complex quantum entanglement phenomena.