Second order Zeeman interaction and ferroquadrupolar order in TmVO4
Second order Zeeman interaction and ferroquadrupolar order in TmVO4
复制标题
TmVO4 中的二阶塞曼相互作用和铁四极有序
DOI:
10.1038/s41535-022-00475-1
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发表时间:
2022
影响因子:
5.7
通讯作者:
Curro, N. J.
中科院分区:
文献类型:
--
作者:
Vinograd, I.;Shirer, K. R.;Massat, P.;Wang, Z.;Kissikov, T.;Garcia, D.;Bachmann, M. D.;Horvatić, M.;Fisher, I. R.;Curro, N. J.
TmVO4exhibits ferroquadrupolar order of the Tm 4f electronic orbitals at low temperatures, and is a model system for Ising nematicity. A magnetic field oriented along thec-axis constitutes a transverse effective field for the quadrupolar order parameter, continuously tuning the system to a quantum phase transition as the field is increased from zero. In contrast, in-plane magnetic fields couple to the order parameter only at second order, such that orienting along the primary axes of the quadrupole order results in an effective longitudinal field, whereas orienting at 45 degrees results in a second effective transverse field. Not only do in-plane fields engender a marked in-plane anisotropy of the critical magnetic and quadrupole fluctuations above the ferroquadrupolar ordering temperature, but in-plane transverse fields initially enhance the ferroquadrupolar order, before eventually suppressing it, an effect that we attribute to admixing of the higher crystalline electric field levels.
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DOI:
--
发表时间:
1970
期刊:
影响因子:
--
作者:
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通讯作者:
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1973
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DOI:
10.1073/pnas.1818910116
发表时间:
2019
影响因子:
11.1
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通讯作者:
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影响因子:
41.2
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通讯作者:
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DOI:
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发表时间:
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期刊:
影响因子:
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作者:
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通讯作者:
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