{"title":"O-bridged electron pairing: the microscopic mechanism for high-temperature superconductivity in cuprates and nickelates","authors":"Jun-jie Shi, Yao-hui Zhu","doi":"arxiv-2409.04036","DOIUrl":null,"url":null,"abstract":"Based on the energy level structure of neutral oxygen atom O and its anions,\nthrough in-depth analysis of the bonding process and formation mechanism of\nanion O$^{x-}$ ($1<x\\leq{2}$) in oxide superconductors dominated by ionic\nbonds, we propose an emerging and important novel idea of electron pairing with\noxygen atoms as a bridge, different from the previously proposed electronic\npairing schemes. This microscopic electronic pairing image is very intuitive\nand vivid, which can naturally explain the d-wave symmetry of Cooper pairs,\nlarge superconducting energy gaps, and small electron-pair sizes in copper\noxide high-temperature superconductors. It is the electron-electron pairing\nmechanism mediated by oxygen atoms that directly determines the unconventional\nhigh-temperature superconductivity of cuprates and nickelates.","PeriodicalId":501069,"journal":{"name":"arXiv - PHYS - Superconductivity","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - Superconductivity","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2409.04036","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Based on the energy level structure of neutral oxygen atom O and its anions,
through in-depth analysis of the bonding process and formation mechanism of
anion O$^{x-}$ ($1