<div class="csl-bib-body">
<div class="csl-entry">Dong, X., Del Re, L., Toschi, A., & Gull, E. (2022). Mechanism of superconductivity in the Hubbard model at intermediate interaction strength. <i>Proceedings of the National Academy of Sciences</i>, <i>119</i>(33), 1–6. https://doi.org/10.1073/pnas.2205048119</div>
</div>
-
dc.identifier.issn
0027-8424
-
dc.identifier.uri
http://hdl.handle.net/20.500.12708/142061
-
dc.description.abstract
We study the fluctuations responsible for pairing in the d-wave superconducting state of the two-dimensional Hubbard model at intermediate coupling within a cluster dynamical mean-field theory with a numerically exact quantum impurity solver. By analyzing how momentum- and frequency-dependent fluctuations generate the d-wave superconducting state in different representations, we identify antiferromagnetic fluctuations as the pairing glue of superconductivity in both the underdoped and the overdoped regime. Nevertheless, in the intermediate coupling regime, the predominant magnetic fluctuations may differ significantly from those described by conventional spin fluctuation theory.
en
dc.description.sponsorship
Fonds zur Förderung der wissenschaftlichen Forschung (FWF)
-
dc.language.iso
en
-
dc.publisher
NATL ACAD SCIENCES
-
dc.relation.ispartof
Proceedings of the National Academy of Sciences
-
dc.subject
Spin fluctuation theory
en
dc.subject
Strongly correlated system
en
dc.subject
Superconductivity
en
dc.subject
Cluster dynamical mean field theory, Hubbard model
en
dc.title
Mechanism of superconductivity in the Hubbard model at intermediate interaction strength
