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Critical points of the three-dimensional Bose-Hubbard model from on-site atom number fluctuations
We discuss how positions of critical points of the three-dimensional Bose-Hubbard model can be accurately obtained from variance of the on-site atom number operator, which can be experimentally measured. The idea that we explore is that the derivative of the variance, with respect to the parameter d...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group UK
2019
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6582071/ https://www.ncbi.nlm.nih.gov/pubmed/31213624 http://dx.doi.org/10.1038/s41598-019-44825-9 |