Volume 136, Number 1, October 2021
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||28 December 2021|
Ultra spin liquid in Lu3Cu2Sb3O14
1 Petersburg Nuclear Physics Institute, NRC Kurchatov Institute - Gatchina, 188300, Russia
2 Clark Atlanta University - Atlanta, GA 30314, USA
3 National Research University Higher School of Economics - St.Petersburg, 194100, Russia
Received: 21 July 2021
Accepted: 13 September 2021
We analyze recent measurements of C/T, specific heat C divided by temperature T, of a recently observed ultra spin liquid. The measurements are carried out in magnetic fields on the triangular lattice compound . We show that the obtained heat capacity formed by the ultra spin liquid as a function of temperature T vs. magnetic field B behaves very similar to the electronic specific heat of the HF metal and the quantum magnet . We demonstrate that the effective mass of spinon exhibits the universal scaling coinciding with scaling observed in heavy-fermion (HF) metals and in . Based on these observations we conclude that a strongly correlated spin liquid determines the thermodynamic properties of the ultra spin liquid of .
© 2021 EPLA
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