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Berdnikov, Ilya, Coleman, P. and Simon, Steven H. (2009) Itinerant Ferromagnetism in an Atom Trap. Physical Review B, 79 (224403). pp. 1-5. ISSN 1098-0121
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Abstract
We propose an experiment to explore the magnetic phase transitions in interacting fermionic
Hubbard systems, and describe how to obtain the ferromagnetic phase diagram of itinerant electron
systems from these observations. In addition signatures of ferromagnetic correlations in the observed
ground states are found: for large trap radii (trap radius RT > 4, in units of coherence length ε),
ground states are topological in nature — a “skyrmion” in 2D, and a “hedgehog” in 3D.
| Item Type: | Article |
|---|---|
| Additional Information: | The authors would like to thank T.-L. Ho and T. Esslinger for fruitful discussions. Supported by NSF Grants No. DMR-0605935, DOE Grant No. DE-FE02- 00ER45790, and the Rutgers-Lucent Foundation. |
| Keywords: | Itinerant Ferromagnetism; Atom Trap; phase transitions; Hubbard systems; |
| Academic Unit: | Faculty of Science and Engineering > Mathematical Physics |
| Item ID: | 2696 |
| Identification Number: | DOI: 10.1103/PhysRevB.79.224403 |
| Depositing User: | Steven H. Simon |
| Date Deposited: | 06 Sep 2011 15:36 |
| Journal or Publication Title: | Physical Review B |
| Publisher: | American Physical Society |
| Refereed: | Yes |
| Related URLs: | |
| URI: | https://mu.eprints-hosting.org/id/eprint/2696 |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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