主要学术成绩为:

提出了新型拓扑量子态—外尔半金属,引发了国际上外尔半金属的研究热潮

基于原子绝缘体基组发展了高效判断拓扑性能的理论方法,并用其对无机材料数据库里面所有非磁材料的拓扑特性进行了分类;

发展了一套计算磁性相互作用的方法并确定了多个复杂体系的基态磁构型;预言了Axion 绝缘体;定出了NaOsO3 的磁结构,确定为罕见的Slater绝缘体,随后被实验所证实;预言了奇异电声子耦合诱导的奇宇称配对超导体;预言新型BiS2 层状超导体的超导机制源于近电荷密度波不稳。

Research interests: 
(i) Novel properties in correlated materials with strong spin-orbit coupling:
Weyl Semimetal, Topological insulator, Axion Insulator, Slater insulator

(ii) Symmetry indicators for discovery of new topological materials.

(iii) Magnetic exchange interaction for strongly correlated systems:
Develop a scheme to evaluate the magnetic exchange interaction for correlated system,
successfully predict the magnetic ground state configuration for several compounds.

(iv) Electronic and structural properties of transition metal oxides.
Exotic superconductivity induced by electron-phonon interaction

 

计算资源:

e52643tgb队列计算节点(2.112 TFLOPS):

  • 购置者:万贤纲100%
  • 10*Dell PowerEdge 12G R620
  • Hostname: r001~r010
  • CPU: 2*Intel Xeon E5-2643 (4 Cores, 10MB Cache, 3.30 GHz, 8.00 GT/s QPI)
  • RAM: 128 GB(r004~r010)/96 GB(r001~r003), 4 Channels, DDR3-1600 ECC RDIMM, Bandwidth: 102.4 GB/s
  • HDD: 600 GB 2.5-inch 10Krpm 6Gb/s SAS
  • Network: 10 Gigabit Ethernet

e52660tgb队列计算节点(4.506 TFLOPS):

  • 购置者:万贤纲100%
  • 16*Dell PowerEdge 12G M620
  • Hostname: m02n01~m02n16
  • CPU: 2*Intel Xeon E5-2660 (8 Cores, 20MB Cache, 2.20 GHz, 8.00 GT/s QPI)
  • RAM: 32 GB, 4 Channels, DDR3-1600 ECC RDIMM, Bandwidth: 102.4 GB/s
  • HDD: 600 GB 2.5-inch 10Krpm 6Gb/s SAS
  • SSD: Intel SSD 730, 20nm MLC, 480GB 128TBW, 2.5-inch SATA 6Gb/s
    • SSD mounted at /tmp/ssd
  • Network: 10 Gigabit Ethernet

e52682v4opa队列计算节点(25.6 TFLOPS):

  • 购置者:万贤纲100%
  • 20*Inspur NX5440M4
  • Hostname: i03n01~i03n20
  • CPU: 2*Intel Xeon E5-2682 v4 (16 Cores, 40MB Cache, 2.50 GHz, 9.6 GT/s QPI)
  • RAM: 64 GB, 4 Channels, DDR4-2400 ECC RDIMM, Bandwidth: 153.6 GB/s
  • SSD: Intel SSD DC S3500, 20nm MLC, 240GB 140TBW, 2.5-inch SATA 6Gb/s. Samsung Enterprise SSD PM863, 32-layer 3D TLC, 960GB 1400TBW, 2.5-inch SATA 6Gb/s (i03n01~i03n10) / Intel SSD DC S3610, 20nm MLC, 800GB 5.3PBW, 2.5-inch SATA 6Gb/s (i03n11~i03n20)
    • SSD mounted at /tmp/ssd
  • Network: Gigabit Ethernet, 100 Gbit/s Omni-Path Architecture

6226rib队列计算节点(65.3312 TFLOPS):

  • 购置者:万贤纲100%
  • 22*Huawei FusionServer Pro 1288H V5
  • Hostname: f001~f022
  • CPU: 2*Intel Xeon Gold 6226R (16 Cores, 22MB Cache, 2.90 GHz)
  • RAM: 192 GB, 6 Channels, DDR4-2933 ECC RDIMM, Bandwidth: 281.6 GB/s
  • SSD: Huawei ES3610C V5, 3D TLC, 1.6TB 8.76PBW, HHHL, PCIe 3.0 x4 NVMe 1.3
  • Network: Gigabit Ethernet, 100 Gbit/s EDR InfiniBand