Electron nematic effect induced by magnetic field in antiferroquadrupole phase of CeB6

被引：20
|
作者：
Demishev, S. V. [1 ,2 ]
Krasnorussky, V. N. [1 ]
Bogach, A. V. [1 ]
Voronov, V. V. [1 ]
Shitsevalova, N. Yu. [3 ]
Filipov, V. B. [3 ]
Glushkov, V. V. [1 ,2 ]
Sluchanko, N. E. [1 ,4 ]
机构：
[1] RAS, Prokhorov Gen Phys Inst, Vavilov St 38, Moscow 119991, Russia
[2] Natl Res Univ Higher Sch Econ, Myasnitskaya St 20, Moscow 101000, Russia
[3] Inst Problems Mat Sci NASU, 3 Krzhyzhanovsky Str, UA-03680 Kiev, Ukraine
[4] Moscow Inst Phys & Technol, 9 Inst Lane, Moscow 141700, Russia
来源：
SCIENTIFIC REPORTS | 2017年 / 7卷
基金：
俄罗斯科学基金会;
关键词：
ANISOTROPY;
D O I：
10.1038/s41598-017-17608-3
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Spatial anisotropy generated spontaneously in the translationally invariant metallic phase, i.e. electron nematic effect, addresses a great challenge for both experimentalists and theoreticians. An interesting option for the realization of the electron nematic phase is provided by the system with orbital ordering, as long as both orbitally ordered states and electron nematic phases possess broken spatial symmetry. Here we report the detailed study of the angular dependences of the magnetoresistance in the orbitally ordered antiferroquadrupole (AFQ) phase of CeB6. Our data allowed revealing the electron nematic effect, which develops when magnetic field exceeds a critical value of 0.3-0.5T. As a result, new transition inside the AFQ phase corresponding to the change of the symmetry of magnetic scattering on spin fluctuations in CeB6 is discovered.
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页数：8
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