On the low-energy description for tunnel-coupled one-dimensional Bose gases
We consider a model of two tunnel-coupled one-dimensional Bose gases with hard-wall boundary conditions. Bosonizing the model and retaining only the most relevant interactions leads to a decoupled theory consisting of a quantum sine-Gordon model and a free boson, describing respectively the antisymm...
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| Format: | Article |
| Language: | English |
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SciPost
2020-08-01
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| Series: | SciPost Physics |
| Online Access: | https://scipost.org/SciPostPhys.9.2.025 |