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Pairing and Phase Separation in a Polarized Fermi Gas
Open accessAbstract
We report the observation of pairing in a gas of atomic fermions with unequal numbers of two components. Beyond a critical polarization, the gas separates into a phase that is consistent with a superfluid paired core surrounded by a shell of normal unpaired fermions. The critical polarization diminishes with decreasing attractive interaction. For near-zero polarization, we measured the parameter β = –0.54 ± 0.05, describing the universal energy of a strongly interacting paired Fermi gas, and found good agreement with recent theory. These results are relevant to predictions of exotic new phases of quark matter and of strongly magnetized superconductors.
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Cited by
Many-body physics with ultracold gases
Bloch, I., Dalibard, J., & Zwerger, W. (2008) · Reviews of Modern Physics · doi:10.1103/revmodphys.80.885 · Cited by 8,114
Quantum simulations with ultracold quantum gases
Bloch, I., Dalibard, J., & Nascimbène, S. (2012) · Nature Physics · doi:10.1038/nphys2259 · Cited by 2,339
Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
Lewenstein, M., Sanpera, A., Ahufinger, V., Damski, B., Sen(De), A., & Sen, U. (2007) · Advances in Physics · doi:10.1080/00018730701223200 · Cited by 2,104
Color superconductivity in dense quark matter
Alford, M. G., Schmitt, A., Rajagopal, K., & Schäfer, T. (2008) · Reviews of Modern Physics · doi:10.1103/revmodphys.80.1455 · Cited by 1,443
Spin-imbalance in a one-dimensional Fermi gas
Liao, Y.-A., Rittner, A. S. C., Paprotta, T., Li, W., Partridge, G. B., Hulet, R. G., Baur, S. K., & Mueller, E. J. (2010) · Nature · doi:10.1038/nature09393 · Cited by 532
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Metadata
- Authors
- Partridge, G. B., Li, W., Kamar, R. I., Liao, Y.-A., & Hulet, R. G.
- Venue
- Science
- Published
- 2006-01-27
- Volume
- 311
- Issue
- 5760
- Pages
- 503-505
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2002542393
- Cited by
- 955
- References
- 0
- FWCI
- 59.63
- Type
- journal article
- Language
- en
- Open access
- green
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- Partridge, G. B., Li, W., Kamar, R. I., Liao, Y.-A., & Hulet, R. G. (2006). Pairing and Phase Separation in a Polarized Fermi Gas. Science. https://doi.org/10.1126/science.1122876
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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.
