Physical Properties of Topological PuB4 and PuB6 Compounds
ORAL
Abstract
The prediction and subsequent discovery of topological insulators with conducting surface states has attracted widespread attention [1,2]. While much of the research has focused on topological states without electronic correlations (e.g. Bi2Se3), the discovery of a conducting surface state in the Kondo insulator SmB6 has opened up the possibility of finding new examples of correlated topological insulators [3,4]. Actinide compounds, with their larger overlap of the f-electron orbitals with neighboring ligand orbitals, often have larger characteristic energy scales and provide fertile ground for searching for new and interesting topological materials. Indeed, Dynamical Mean Field Theory predicts that PuB6 should be a topological insulator with similar properties to those of SmB6 [5]. Here, we report the physical properties of PuB4 and PuB6 topological materials.
[1] M. Z. Hasan and C. Kane, Rev. Mod. Phys. 82, 3045 (2010); X.-L. Qi, and S.-C. Zhang, Rev. Mod. Phys. 83, 1057 (2011)
[2] L. Fu and C. L. Kane, Phys. Rev. B 76, 045302 (2007)
[3] D. J. Kim, J. Xia and Z. Fisk, Nature Materials 13, 466 (2014)
[4] M. Dzero, J. Xia, V. Galitski, and P. Coleman, Annual Review of Condensed Matter Physics, 7, 249 (2016)
[5] X. Deng, K. Haule, and G. Kotliar, Phys. Rev. Lett. 111, 176404 (2013)
[1] M. Z. Hasan and C. Kane, Rev. Mod. Phys. 82, 3045 (2010); X.-L. Qi, and S.-C. Zhang, Rev. Mod. Phys. 83, 1057 (2011)
[2] L. Fu and C. L. Kane, Phys. Rev. B 76, 045302 (2007)
[3] D. J. Kim, J. Xia and Z. Fisk, Nature Materials 13, 466 (2014)
[4] M. Dzero, J. Xia, V. Galitski, and P. Coleman, Annual Review of Condensed Matter Physics, 7, 249 (2016)
[5] X. Deng, K. Haule, and G. Kotliar, Phys. Rev. Lett. 111, 176404 (2013)
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Presenters
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Eric Bauer
- MPA-CMMS, Los Alamos National Laboratory
- Los Alamos National Laboratory
- Los Alamos Natl Lab
- Condensed Matter and Magnetic Science Group, Los Alamos National Laboratory
- Los Alamos National Lab
- Condensed Matter and Magnet Science Group, Los Alamos National Laboratory