Correlations and enlarged superconducting phase of t−J⊥ chains of ultracold molecules on optical lattices
| dc.citation.articleNumber | 043618 | en_US |
| dc.citation.issueNumber | 4 | en_US |
| dc.citation.journalTitle | Physical Review A | en_US |
| dc.citation.volumeNumber | 96 | en_US |
| dc.contributor.author | Manmana, Salvatore R. | en_US |
| dc.contributor.author | Möller, Marcel | en_US |
| dc.contributor.author | Gezzi, Riccardo | en_US |
| dc.contributor.author | Hazzard, Kaden R.A. | en_US |
| dc.date.accessioned | 2017-11-17T14:39:05Z | en_US |
| dc.date.available | 2017-11-17T14:39:05Z | en_US |
| dc.date.issued | 2017 | en_US |
| dc.description.abstract | We compute physical properties across the phase diagram of the t−J⊥ chain with long-range dipolar interactions, which describe ultracold polar molecules on optical lattices. Our results obtained by the density-matrix renormalization group indicate that superconductivity is enhanced when the Ising component Jz of the spin-spin interaction and the charge component V are tuned to zero and even further by the long-range dipolar interactions. At low densities, a substantially larger spin gap is obtained. We provide evidence that long-range interactions lead to algebraically decaying correlation functions despite the presence of a gap. Although this has recently been observed in other long-range interacting spin and fermion models, the correlations in our case have the peculiar property of having a small and continuously varying exponent. We construct simple analytic models and arguments to understand the most salient features. | en_US |
| dc.identifier.citation | Manmana, Salvatore R., Möller, Marcel, Gezzi, Riccardo, et al.. "Correlations and enlarged superconducting phase of t−J⊥ chains of ultracold molecules on optical lattices." <i>Physical Review A,</i> 96, no. 4 (2017) American Physical Society: https://doi.org/10.1103/PhysRevA.96.043618. | en_US |
| dc.identifier.digital | PhysRevA-96-043618 | en_US |
| dc.identifier.doi | https://doi.org/10.1103/PhysRevA.96.043618 | en_US |
| dc.identifier.uri | https://hdl.handle.net/1911/98836 | en_US |
| dc.language.iso | eng | en_US |
| dc.publisher | American Physical Society | en_US |
| dc.rights | Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. | en_US |
| dc.title | Correlations and enlarged superconducting phase of t−J⊥ chains of ultracold molecules on optical lattices | en_US |
| dc.type | Journal article | en_US |
| dc.type.dcmi | Text | en_US |
| dc.type.publication | publisher version | en_US |
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