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Experimental realization of quantum zeno dynamics
Open accessAbstract
It is generally impossible to probe a quantum system without disturbing it. However, it is possible to exploit the back action of quantum measurements and strong couplings to tailor and protect the coherent evolution of a quantum system. This is a profound and counterintuitive phenomenon known as quantum Zeno dynamics. Here we demonstrate quantum Zeno dynamics with a rubidium Bose–Einstein condensate in a five-level Hilbert space. We harness measurements and strong couplings to dynamically disconnect different groups of quantum states and constrain the atoms to coherently evolve inside a two-level subregion. In parallel to the foundational importance due to the realization of a dynamical superselection rule and the theory of quantum measurements, this is an important step forward in protecting and controlling quantum dynamics and, broadly speaking, quantum information processing. While a quantum system is always disturbed by any observation, one can exploit the back action of measurements and strong couplings to tailor the system evolution via quantum Zeno dynamics. Schäfer et al. demonstrate quantum Zeno dynamics in a five-level Hilbert space using a 87Rb Bose–Einstein condensate.
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Citations
Cites
Quantum Computation and Quantum Information
Nielsen, M. A., Chuang, I., & Grover, L. K. (2002) · American Journal of Physics · doi:10.1119/1.1463744 · Cited by 21,895
NMR techniques for quantum control and computation
Vandersypen, L. M. K., & Chuang, I. L. (2005) · Reviews of Modern Physics · doi:10.1103/revmodphys.76.1037 · Cited by 1,217
Experimental Verification of Decoherence-Free Subspaces
Kwiat, P. G., Berglund, A. J., Altepeter, J. B., & White, A. G. (2000) · Science · doi:10.1126/science.290.5491.498 · Cited by 519
Cited by
Quantum metrology from a quantum information science perspective
Tóth, G., & Apellaniz, I. (2014) · Journal of Physics A Mathematical and Theoretical · doi:10.1088/1751-8113/47/42/424006 · Cited by 862
Tools for quantum simulation with ultracold atoms in optical lattices
Schäfer, F., Fukuhara, T., Sugawa, S., Takasu, Y., & Takahashi, Y. (2020) · Nature Reviews Physics · doi:10.1038/s42254-020-0195-3 · Cited by 488
Self-citationCoherent Oscillations inside a Quantum Manifold Stabilized by Dissipation
Touzard, S., Grimm, A., Leghtas, Z., Mundhada, S. O., Reinhold, P., Axline, C., Reagor, M., Chou, K., Blumoff, J., Sliwa, K. M., et al. (2018) · Physical Review X · doi:10.1103/physrevx.8.021005 · Cited by 141
Metadata
- Authors
- Schäfer, F., Herrera, I., Cherukattil, S., Lovecchio, C., Cataliotti, F. S., Caruso, F., & Smerzi, A.
- Venue
- Nature Communications
- Published
- 2014-01-30
- Volume
- 5
- Issue
- 1
- Pages
- 3194-3194
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2025261168
- Cited by
- 191
- References
- 3
- FWCI
- 9.98
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Schäfer, F., Herrera, I., Cherukattil, S., Lovecchio, C., Cataliotti, F. S., Caruso, F., & Smerzi, A. (2014). Experimental realization of quantum zeno dynamics. Nature Communications. https://doi.org/10.1038/ncomms4194
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