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Propagation of quantum information through a spin system
Open accessAbstract
It has been recently suggested that the dynamics of a quantum spin system may provide a natural mechanism for transporting quantum information. We show that one-dimensional rings of qubits with fixed (time-independent) interactions, constant around the ring, allow high-fidelity communication of quantum states. We show that the problem of maximizing the fidelity of the quantum communication is related to a classical problem in Fourier wave analysis. By making use of this observation we find that if both communicating parties have access to limited numbers of qubits in the ring (a fraction that vanishes in the limit of large rings) it is possible to make the communication arbitrarily good.
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Cites
Universal quantum computation and simulation using any entangling Hamiltonian and local unitaries
Dodd, J. L., Nielsen, M. A., Bremner, M. J., & Thew, R. T. (2002) · Physical Review A · doi:10.1103/physreva.65.040301 · Cited by 156
Cited by
Quantum entanglement in condensed matter systems
Laflorencie, N. (2016) · Physics Reports · doi:10.1016/j.physrep.2016.06.008 · Cited by 765
Perfect transfer of arbitrary states in quantum spin networks
Christandl, M., Datta, N., Dorlas, T. C., Ekert, A., Kay, A., & Landahl, A. J. (2005) · Physical Review A · doi:10.1103/physreva.71.032312 · Cited by 512
Quantum communication through spin chain dynamics: an introductory overview
Bose, S. (2007) · Contemporary Physics · doi:10.1080/00107510701342313 · Cited by 484
General Entanglement Scaling Laws from Time Evolution
Eisert, J., & Osborne, T. J. (2006) · Physical Review Letters · doi:10.1103/physrevlett.97.150404 · Cited by 201
Self-citationLocalization and its consequences for quantum walk algorithms and quantum communication
Keating, J. P., Linden, N., Matthews, J. C. F., & Winter, A. (2007) · Physical Review A · doi:10.1103/physreva.76.012315 · Cited by 123
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Metadata
- Authors
- Osborne, T. J., & Linden, N.
- Venue
- Physical Review A
- Publisher
- American Physical Society (APS)
- Published
- 2004-05-14
- Volume
- 69
- Issue
- 5
- ISSN
- 0556-2791 (ISSN-L)
- 1050-2947
- 1094-1622
- OpenAlex
- W2162107740
- Cited by
- 236
- References
- 1
- FWCI
- 23.38
- Type
- journal article
- Language
- en
- Open access
- green
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- Osborne, T. J., & Linden, N. (2004). Propagation of quantum information through a spin system. Physical Review A. https://doi.org/10.1103/physreva.69.052315
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
