Evolution of hyperfine parameters across a quantum critical point in CeRhIn5

被引：20

作者：

Lin, C. H. ^{[1
]}

Shirer, K. R. ^{[1
]}

Crocker, J. ^{[1
]}

Dioguardi, A. P. ^{[1
]}

Lawson, M. M. ^{[1
]}

Bush, B. T. ^{[1
]}

Klavins, P. ^{[1
]}

Curro, N. J. ^{[1
]}

机构：

[1] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA

来源：

PHYSICAL REVIEW B | 2015年 / 92卷 / 15期

关键词：

HEAVY-ELECTRON MATERIALS; KONDO-LATTICE; METALS; TRANSITION; BEHAVIOR; CEIRIN5; STATES; ORDER; CU;

D O I：

10.1103/PhysRevB.92.155147

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report nuclear magnetic resonance (NMR) data for both the In(1) and In(2) sites in the heavy-fermion material CeRhIn5 under hydrostatic pressure. The Knight shift data reveal a suppression of the hyperfine coupling to the In(1) site as a function of pressure, and the electric field gradient nu(alpha alpha) at the In(2) site exhibits a change of slope d nu(alpha alpha)/dP at P-c1 = 1.75 GPa. These changes to the coupling constants reflect alterations to the electronic structure at the quantum critical point.

引用

页数：5

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