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Magnetic susceptibility as a macroscopic entanglement witness
Open accessAbstract
We show that magnetic susceptibility can reveal spin entanglement between individual constituents of a solid, while magnetization describes their local properties. We then show that magnetization and its variance (equivalent to magnetic susceptibility for a wide class of systems) satisfy complementary relation in the quantum-mechanical sense. It describes sharing of (quantum) information in the solid between spin entanglement and local properties of its individual constituents. Magnetic susceptibility is shown to be a macroscopic (thermodynamical) spin entanglement witness that can be applied without complete knowledge of the specific model (Hamiltonian) of the solid.
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Citations
Cites
Optimization of entanglement witnesses
Lewenstein, M., Kraus, B., Cirac, J. I., & Horodecki, P. (2000) · Physical Review A · doi:10.1103/physreva.62.052310 · Cited by 684
Cited by
Horodecki, R., Horodecki, P., Horodecki, M., & Horodecki, K. (2009) · Reviews of Modern Physics · doi:10.1103/revmodphys.81.865 · Cited by 10,118
Entanglement in many-body systems
Amico, L., Fazio, R., Osterloh, A., & Vedral, V. (2008) · Reviews of Modern Physics · doi:10.1103/revmodphys.80.517 · Cited by 3,745
Self-citationGühne, O., & Tóth, G. (2009) · Physics Reports · doi:10.1016/j.physrep.2009.02.004 · Cited by 2,401
Multipartite entanglement and high-precision metrology
Tóth, G. (2012) · Physical Review A · doi:10.1103/physreva.85.022322 · Cited by 560
Experimental indications of non-classical brain functions
Kerskens, C. M., & López Pérez, D. (2022) · Journal of Physics Communications · doi:10.1088/2399-6528/ac94be · Cited by 88
Metadata
- Authors
- Wieśniak, M., Vedral, V., & Brukner, Č.
- Venue
- New Journal of Physics
- Publisher
- IOP Publishing
- Published
- 2005-12-29
- Volume
- 7
- Pages
- 258-258
- ISSN
- 1367-2630 (ISSN-L)
- OpenAlex
- W2028595014
- Cited by
- 190
- References
- 1
- FWCI
- 5.74
- Type
- journal article
- Language
- en
- Open access
- gold
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- Wieśniak, M., Vedral, V., & Brukner, Č. (2005). Magnetic susceptibility as a macroscopic entanglement witness. New Journal of Physics. https://doi.org/10.1088/1367-2630/7/1/258
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