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“凝聚态物理-中关村论坛”第 313 次讲座
 
题目: Unusual superconducting and normal state in a cuprate superconductor
时间: 2017年10月23日 10:00
地点: 中科院物理研究所M楼236报告厅
报告人: 吴颉 (BNL Physicist)

Brookhaven National Laboratory (BNL)

Dr. Jie Wu received the Ph.D degree from the physics department of University of California at Berkeley and did postdoc research at National High Magnetic Field Laboratory and Brookhaven National Laboratory (BNL). Dr. Wu became an assistant physicist of the oxide MBE group of BNL since 2012 and currently is a physicist working in the field of high temperature superconductivity.

报告摘要:
Over the course of extensive experimental studies of La2-xSrxCuO4 films synthesized by molecular beam epitaxy, we discovered that a spontaneous voltage develops across the sample, transverse to the electrical current. This unusual metallic state, in which the rotational symmetry of the electron fluid is spontaneously broken, occurs in a large temperature and doping region. The superconducting state always emerges out of this nematic metal state. Moreover, our studies of the dependence of superconducting transition temperature on the superfluid density reveals the unusual nature of the superconducting state, defying the standard BCS description.

邀 请 人: 胡江平(电话:8264 9818 )
联 系 人: 胡 颖(电话:8264 9361 )
     朱绮伦(电话:8264 9469 )


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