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Coexistence of Enhanced Superconductivity and Antiferromagnetism: Possible Correlated Phase Transitions in Trilayer High-Tc Cuprates

2012/11/15 by Chun Chen, Chen, Chun, A. Fujimori +5
Physics and Astronomy · #Advanced Condensed Matter Physics #FOS: Physical sciences #Physics of Superconductivity and Magnetism #Strongly Correlated Electrons (cond-mat.str-el) #Superconductivity (cond-mat.supr-con) #Theoretical and Computational Physics #cond-mat.str-el #cond-mat.supr-con

paper · pdf · doi:10.48550/arxiv.1211.3477

4+ pages, 2 figures with Supplemental Material. Submitted to PRL

arxiv created 2012/11/15 · openalex publication_date 2012/11/15 · arxiv updated 2012/11/16 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Based on a hybrid interlayer coupling mechanism, we study the coexistence of superconductivity (SC) and antiferromagnetism (AFM) in trilayer cuprates. By introducing an interlayer magnetic scattering term, we solve the multilayer t-J model with Josephson coupling under the framework of Gutzwiller projection. We show that both the SC and AFM orders in the multilayered system are enhanced and the range of AFM order is extended. The layer configuration of d-wave pairing gap and AFM order further plays an essential role in determining the interlayer magnetic and superconducting coupling phase diagram of such multilayered systems. Abrupt phase transitions between correlated states carrying distinct configurational symmetries are unveiled by tuning the doping level and/or the tunneling strengths.

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