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Direct Observation of Tunneling and Nonlinear Self-Trapping in a Single Bosonic Josephson Junction
Open accessAbstract
We report on the first realization of a single bosonic Josephson junction, implemented by two weakly linked Bose-Einstein condensates in a double-well potential. In order to fully investigate the nonlinear tunneling dynamics we measure the density distribution in situ and deduce the evolution of the relative phase between the two condensates from interference fringes. Our results verify the predicted nonlinear generalization of tunneling oscillations in superconducting and superfluid Josephson junctions. Additionally, we confirm a novel nonlinear effect known as macroscopic quantum self-trapping, which leads to the inhibition of large amplitude tunneling oscillations.
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Citations
Cited by
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Bloch, I. (2005) · Nature Physics · doi:10.1038/nphys138 · Cited by 1,457
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Fölling, S., Trotzky, S., Cheinet, P., Feld, M., Saers, R., Widera, A., Müller, T., & Bloch, I. (2007) · Nature · doi:10.1038/nature06112 · Cited by 594
Kavokin, A. V., Baumberg, J. J., Malpuech, G., & Laussy, F. P. (2017) · doi:10.1093/oso/9780198782995.001.0001 · Cited by 326
Optical realization of the two-site Bose–Hubbard model in waveguide lattices
Longhi, S. (2011) · Journal of Physics B: Atomic, Molecular and Optical Physics · doi:10.1088/0953-4075/44/5/051001 · Cited by 40
Generalized Quantum Assisted Simulator
Haug, T., & Bharti, K. (2020) · arXiv · doi:10.48550/arxiv.2011.14737 · Cited by 38
Metadata
- Authors
- Albiez, M., Gati, R., Fölling, J., Hunsmann, S., Cristiani, M., & Oberthaler, M. K.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2005-06-27
- Volume
- 95
- Issue
- 1
- Pages
- 010402-010402
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2019062653
- Cited by
- 1,587
- References
- 0
- FWCI
- 51.85
- Type
- journal article
- Language
- en
- Open access
- green
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- Albiez, M., Gati, R., Fölling, J., Hunsmann, S., Cristiani, M., & Oberthaler, M. K. (2005). Direct Observation of Tunneling and Nonlinear Self-Trapping in a Single Bosonic Josephson Junction. Physical Review Letters. https://doi.org/10.1103/physrevlett.95.010402
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