图一: (IMAGE) Science China Press Caption 镍基超导母体的能带结构和轨道成分(a),电子数与化学势的关系(b),费米面(c)和狄拉克点(d) Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.