Three-body interacting bosons in free space
We propose a method of controlling two- and three-body interactions in an ultracold Bose gas in any dimension. The method requires us to have two coupled internal single-particle states split in energy such that the upper state is occupied virtually but amply during collisions. By varying system par...
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| Veröffentlicht in: | Physical review letters 2014-03, Vol.112 (10), p.103201-103201, Article 103201 |
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| container_title | Physical review letters |
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| creator | Petrov, D S |
| description | We propose a method of controlling two- and three-body interactions in an ultracold Bose gas in any dimension. The method requires us to have two coupled internal single-particle states split in energy such that the upper state is occupied virtually but amply during collisions. By varying system parameters, one can switch off the two-body interaction while maintaining a strong three-body one. The mechanism can be implemented for dipolar bosons in the bilayer configuration with tunneling or in an atomic system by using radio-frequency fields to couple two hyperfine states. One can then aim to observe a purely three-body interacting gas, dilute self-trapped droplets, the paired superfluid phase, Pfaffian state, and other exotic phenomena. |
| doi_str_mv | 10.1103/physrevlett.112.103201 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2014-03, Vol.112 (10), p.103201-103201, Article 103201 |
| issn | 0031-9007 1079-7114 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_00959061v1 |
| source | American Physical Society Journals |
| subjects | Bosons Collisions Condensed Matter Droplets Fluids Joining Physics Quantum Gases Superfluidity Switches Tunneling |
| title | Three-body interacting bosons in free space |
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