Identification of strongly correlated spin liquid in herbertsmithite

被引:19
作者
Shaginyan, V. R. [1 ,2 ]
Msezane, A. Z. [2 ]
Popov, K. G. [3 ]
Japaridze, G. S. [2 ]
Stephanovich, V. A. [4 ]
机构
[1] Petersburg Nucl Phys Inst, Gatchina 188300, Russia
[2] Clark Atlanta Univ, Atlanta, GA 30314 USA
[3] RAS, Ural Div, Komi Sci Ctr, Syktyvkar 167982, Russia
[4] Opole Univ, Inst Phys, PL-45052 Opole, Poland
关键词
D O I
10.1209/0295-5075/97/56001
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
An exotic quantum spin liquid (QSL) is formed with such hypothetic particles as fermionic spinons carrying spin 1/2 and no charge. Here we calculate its thermodynamic and relaxation properties. Our calculations unveil the fundamental properties of QSL, forming a strongly correlated Fermi system located at a fermion condensation quantum phase transition. These are in good agreement with experimental data and allow us to detect the behavior of QSL as that observed in heavy-fermion metals. We predict that the thermal resistivity of QSL under the application of magnetic fields at fixed temperature demonstrates a very specific behavior. The key features of our findings are the presence of spin-charge separation and QSL formed with itinerant heavy spinons in herbertsmithite. Copyright (C) EPLA, 2012
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页数:6
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