Two pairing domes as Cu2+ varies to Cu3+

Maier, Thomas A.; Berlijn, Tom; Scalapino, D. J.

doi:10.1103/PhysRevB.99.224515

Two pairing domes as ${Cu}^{2 +}$ varies to ${Cu}^{3 +}$

Journal Article · Thu Jun 27 00:00:00 EDT 2019 · Physical Review B

DOI:https://doi.org/10.1103/PhysRevB.99.224515· OSTI ID:1530110

^[1]; ^[1]; Scalapino, D. J. ^[2]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Univ. of California, Santa Barbara, CA (United States)

Using a tight-binding two-orbital (d_x²–y², d_3z²–r²) model and a random phase approximation treatment of the spin-fluctuation pairing vertex, we calculate the pairing strengths for a cuprate model in which the hole doping varies from Cu²⁺ to Cu³⁺. Here, we find two domes of pairing strength: one corresponding to the traditional low hole doping regime and the other to the extremely overdoped regime discussed by Geballe and Marezio [Physica C 469, 680 (2009)]. In the overdoped regime we find that there is significant pairing strength in both the d-wave and s^± channels.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1530110

Alternate ID(s):: OSTI ID: 1529701

Journal Information:: Physical Review B, Journal Name: Physical Review B Journal Issue: 22 Vol. 99; ISSN 2469-9950; ISSN PRBMDO

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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