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We present a perturbation theory for studying thermodynamic properties of the Kondo spin liquid phase of the half-filled Kondo lattice model. The grand partition function is derived to calculate chemical potential, spin and charge…

Strongly Correlated Electrons · Physics 2009-11-07 Qiang Gu

DC-magnetization data measured down to 40 mK speak against conventional freezing and reinstate YbMgGaO$_4$ as a triangular spin-liquid candidate. Magnetic susceptibility measured parallel and perpendicular to the $c$-axis reaches constant…

We have investigated the magnetoelectric and magnetodielectric response in FeVO$_4$, which exhibits a change in magnetic structure coincident with ferroelectric ordering at $T_{N2}$$\approx$15 K. Using symmetry considerations, we construct…

Materials Science · Physics 2015-05-19 A. Dixit , G. Lawes , A. B. Harris

The absence of conventional magnetic order together with anomalous low-temperature magnetic heat capacity is often interpreted as evidence for quantum spin liquid ground states in frustrated magnets. Using a recently developed semiclassical…

Strongly Correlated Electrons · Physics 2026-04-08 Soumyaranjan Dash , Vansh Narang , Sanjeev Kumar

Three different tensor network optimization algorithms are employed to accurately determine the ground state and thermodynamic properties of the spin-3/2 kagome Heisenberg antiferromagnet. We found that the $\sqrt{3} \times \sqrt{3}$ state,…

Strongly Correlated Electrons · Physics 2016-09-20 Tao Liu , Wei Li , Gang Su

Co3V2O8 (CVO) has a geometrically frustrated magnetic lattice, a Kagome staircase. The crystal structure consists of two inequivalent Co sites, one-dimensional chains of Co(2) spine sites, linked by Co(1) cross-tie sites. Neutron powder…

Strongly Correlated Electrons · Physics 2009-11-11 Y. Chen , J. W. Lynn , Q. Huang , F. M. Woodward , T. Yildirim , G. Lawes , A. P. Ramirez , N. Rogado , R. J. Cava , A. Aharony , O. Entin-Wohlman , A. B. Harris

Specific heat measurements down to 120mK have been performed on a quasi-one-dimensional $S=1/2$ spin-gapped system (CH$_3$)$_2$NH$_2$CuCl$_3$ in a magnetic field up to 8 T. This compound has a characteristic magnetization curve which shows…

Strongly Correlated Electrons · Physics 2009-11-11 Yasuo Yoshida , Osamu Wada , Yuji Inagaki , Takayuki Asano , Kenji Takeo , Tatsuya Kawae , Kazuyoshi Takeda , Yoshitami Ajiro

Magnetism in strongly correlated honeycomb systems with $d^5$ electronic configuration has garnered significant attention due to its potential to realize the Kitaev spin liquid state, characterized by exotic properties. However, real…

Strongly Correlated Electrons · Physics 2025-11-18 Ritwik Das , Indra Dasgupta

We report measurements of the resistance of silicon MOSFETs as a function of temperature in high parallel magnetic fields where the 2D system of electrons has been shown to be fully spin-polarized. A magnetic field suppresses the metallic…

Strongly Correlated Electrons · Physics 2009-10-31 K. M. Mertes , Hairong Zheng , S. A. Vitkalov , M. P. Sarachik , T. M. Klapwijk

We present a detailed investigation of the magnetic properties of the spin-$\frac{3}{2}$ system Li$_2$Co(WO$_4$)$_2$ by means of magnetic susceptibility and specific heat. Our experimental results show that in Li$_2$Co(WO$_4$)$_2$ a…

Strongly Correlated Electrons · Physics 2014-11-25 I. Panneer Muthuselvam , R. Sankar , A. V. Ushakov , G. Narsinga Rao , Sergey V. Streltsov , F. C. Chou

Gd2GaSbO7 and Gd2InSbO7 pyrochlore compounds exhibit quantum fluctuations in a spin ice-like state. These compounds have not been adequately studied based on the concept of magnetic frustration. Here, we have synthesised and characterised…

Strongly Correlated Electrons · Physics 2024-08-06 S. Nallamuthu , Andrea Dzubinska , K. Arun , Vimaljith A. R , Marian Reiffers , R. Nagalakshmi , Ivan Curlik , Sergej Ilkovic

We have found a class of zero-dimensional geometrically frustrated Heisenberg spin systems exhibiting anomalous behavior in an external magnetic field B similar to that occuring in geometrically frustrated planar antiferromagnetic lattices.…

Materials Science · Physics 2009-11-10 C. Schroeder , H. Nojiri , J. Schnack , P. Hage , M. Luban , P. Koegerler

Complex magneto structural behaviour of rare rich intermetallic Tb$_3$Co is reported in this study. Below the 84K (T$_N$), it undergoes a first order magnetic transition 72K confirmed from specific heat and magnetization measurements.…

Materials Science · Physics 2019-08-23 Srikanta Goswami , P. D. Babu , R. Rawat

Motivated by the rich interplay among electronic correlation, spin-orbit coupling (SOC), crystal-field splitting, and geometric frustrations in the honeycomb-like lattice, we systematically investigated the electronic and magnetic…

Strongly Correlated Electrons · Physics 2013-05-01 Yongkang Luo , Chao Cao , Bingqi Si , Yuke Li , Jinke Bao , Hanjie Guo , Xiaojun Yang , Chenyi Shen , Chunmu Feng , Jianhui Dai , Guanghan Cao , Zhu-an Xu

We report a high-pressure experimental and theoretical investigation of the structural properties of zircon-type HoVO4. Angle-dispersive x-ray diffraction measurements were carried out under quasi-hydrostatic and partial non-hydrostatic…

Materials Science · Physics 2014-06-17 Alka B. Garg , D. Errandonea , P. Rodriguez-Hernandez , S. Lopez-Moreno , A. Munoz , C. Popescu

A polycrystalline sample of the hyperhoneycomb iridate $\beta$-ZnIrO$_3$ was synthesized via a topochemical reaction, and its structural, magnetic, and thermodynamic properties were investigated. The magnetization and heat capacity data…

Strongly Correlated Electrons · Physics 2022-02-17 Yuya Haraguchi , Akira Matsuo , Koichi Kindo , Hiroko Aruga Katori

Two-dimensional honeycomb antiferromagnet becomes an important class of materials as it can provide a route to Kitaev quantum spin liquid, characterized by massive quantum entanglement and fractional excitations. The signatures of its…

Heat conduction phenomena are studied theoretically using computer simulation. The systems are crystal with nonlinear interaction, and fluid of hard-core particles. Quasi-one-dimensional system of the size of $L_x\times L_y\times L_z(L_z\gg…

Statistical Mechanics · Physics 2009-10-31 Takashi Shimada , Teruyoshi Murakami , Satoshi Yukawa , Keiji Saito , Nobuyasu Ito

Static magnetic susceptibility \chi, ac susceptibility \chi_{ac} and specific heat C versus temperature T measurements on polycrystalline samples of In2VO5 and \chi and C versus T measurements on the isostructural, nonmagnetic compound…

Strongly Correlated Electrons · Physics 2010-11-17 Yogesh Singh , R. W. McCallum , D. C. Johnston

Using muon-spin-relaxation measurements we show that the pyrochlore compound Gd2Ti2O7, in its magnetically orderered phase below ~ 1 K, displays persistent spin dynamics down to temperatures as low as 20 mK. The characteristics of the…

Strongly Correlated Electrons · Physics 2007-05-23 A. Yaouanc , P. Dalmas de Reotier , V. Glazkov , C. Marin , P. Bonville , J. A. Hodges , P. C. M. Gubbens , S. Sakarya , C. Baines
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