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相关论文: CeB6 macroscopically revisited

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CeCoIn5 is a heavy fermion Type-II superconductor which exhibits clear indications of Pauli-limited superconductivity. A variety of measurements give evidence for a transition at high magnetic fields inside the superconducting state, when…

强关联电子 · 物理学 2010-10-28 E. Blackburn , P. Das , M. R. Eskildsen , E. M. Forgan , M. Laver , C. Niedermayer , C. Petrovic , J. S. White

The temperature dependent order parameter provides important information on the nature of magnetism. Using traditional methods to study this parameter in two-dimensional (2D) magnets remains difficult, however, particularly for insulating…

The Hubbard model on an anisotropic triangular lattice in two dimensions, a fundamental model for frustrated electron physics, displays a wide variety of phases and phase transitions. This work investigates the model using the ladder dual…

强关联电子 · 物理学 2025-07-11 Yang Yu , Shaozhi Li , Sergei Iskakov , Emanuel Gull

The antiferromagnetic heavy-fermion compound Ce$_2$RhIn$_8$ belongs to the same family and bears similarities with the well-studied prototypical material CeRhIn$_5$, which demonstrates a unique behavior under applied magnetic field. Here,…

强关联电子 · 物理学 2025-05-19 T. Klein , C. Marcenat , A. Demuer , J. Sarrade , D. Aoki , I. Sheikin

The anisotropic magnetic properties of the antiferromagnetic compound CePd$_2$Ge$_2$, crystallizing in the tetragonal crystal structure have been investigated in detail on a single crystal grown by Czochralski method. From the electrical…

强关联电子 · 物理学 2015-06-16 Arvind Maurya , R. Kulkarni , S. K. Dhar , A. Thamizhavel

Using magnetoresistance measurements as a function of applied magnetic field and its direction of application, we present sharp angular-dependent magnetoresistance oscillations for the electron-doped cuprates in their low-temperature…

超导电性 · 物理学 2009-11-10 P. Fournier , M. -E. Gosselin , S. Savard , J. Renaud , I. Hetel , P. Richard , G. Riou

We investigate the phase diagram of the anisotropic spin-1/2 triangular lattice antiferromagnet, with interchain diagonal exchange J' much weaker than the intrachain exchange J. We find that fluctuations lead to a competition between…

强关联电子 · 物理学 2007-05-23 Oleg A. Starykh , Leon Balents

Single crystals of $R$Cd$_{0.67}$As$_2$ ($R$ = La and Ce) have been synthesized by high temperature ternary melt and their physical properties have been explored by means of magnetization, specific heat, electrical resistivity, Hall…

强关联电子 · 物理学 2023-02-27 Suyoung Kim , Obinna P. Uzoh , Eundeok Mun

The heavy fermion metal CeB6 exhibits hidden order of antiferroquadrupolar (AFQ) type below T_Q=3.2K and subsequent antiferromagnetic (AFM) order at T_N=2.3K. It was interpreted as ordering of the quadrupole and dipole moments of a…

强关联电子 · 物理学 2012-04-04 Alireza Akbari , Peter Thalmeier

High-pressure magnetization, structural and 57Fe M\"ossbauer studies were performed on superconducting Rb0.8Fe1.6Se2.0 with Tc = 32.4 K. The superconducting transition temperature gradually decreases on increasing pressure up to 5.0 GPa…

As experimentally well established, YBa_2Cu_3O_6 is an antiferromagnet with the magnetic moments lying on the Cu sites. Starting from this experimental result and the assumption, that nearest-neighbor Cu atoms within a layer have exactly…

强关联电子 · 物理学 2015-06-25 Ekkehard Krüger

The magnetic phase diagram of CuCrO2 was studied with a novel method of simultaneous Cu NMR and electric polarization techniques with the primary goal of demonstrating that regardless of cooling history of the sample the magnetic phase with…

强关联电子 · 物理学 2018-03-21 Yu. A. Sakhratov , J. J. Kweon , E. S. Choi , H. D. Zhou , L. E. Svistov , A. P. Reyes

Thermal properties of the ordered phase of the spin 1/2 isotropic Heisenberg Antiferromagnet on a d-dimensional hypercubical lattice are studied within the fermionic representation when the constraint of single occupancy condition is taken…

凝聚态物理 · 物理学 2007-05-23 S. Azakov , M. Dilaver , A. M. Oztas

The f-electron compound CeAuSb2, which crystallizes in the ZrCuSi2-type tetragonal structure, orders antiferromagnetically between 5 and 6.8 K, where the antiferromagnetic transition temperature T_N depends on the occupancy of the Au site.…

强关联电子 · 物理学 2012-03-26 S. Seo , V. A. Sidorov , H. Lee , D. Jang , Z. Fisk , J. D. Thompson , T. Park

We report a study of the structural, magnetic, transport, and thermodynamic properties of polycrystalline samples of CeRhC$_2$. CeRhC$_2$ crystallizes in a tetragonal structure with space group $P4_1$ and it orders antiferromagnetically…

Exotic state of matter could coexist with conventional orders such that the gauge fields and fractionalized excitations could prevail in a seemingly ordered state. We explore the Coulombic antiferromagnet in the spin-1/2 pyrochlores with…

强关联电子 · 物理学 2023-08-31 Gang Chen

Commensurate antiferromagnetic ordering has been observed in the superconducting high-$Tc$ cuprate ${\rm YBa_{2}Cu_{3}O_{6.5}}$ (${\rm T_{c}}$=55 K) by polarized and unpolarized elastic neutron scattering. The magnetic peak intensity…

超导电性 · 物理学 2009-11-07 Y. Sidis , C. Ulrich , P. Bourges , C. Bernhard , C. Niedermayer , L. P. Regnault , N. H. Andersen , B. Keimer

We theoretically investigate an antiferromagnetic structure in a hexagonal zigzag-chain compound Ce$_3$TiBi$_5$, which shows a linear magnetoelectric effect in metals and an unfamiliar temperature dependence of magnetic susceptibility. We…

强关联电子 · 物理学 2023-01-19 Satoru Hayami , Hiroaki Kusunose

We study the resonant x-ray scattering (RXS) spectra of CeB_{6} in an antiferroquadrupole (AFQ) ordering phase, near the Ce L_3 edge under the applied magnetic field H // (-1,1,0). On the basis of a localized electron model equipped with a…

强关联电子 · 物理学 2010-07-13 Tatsuya Nagao , Jun-ichi Igarashi

Based on first-principles electronic structure calculations, we analyze the chemical and magnetic mechanisms stabilizing the cubic phase in Fe$_2$-based Heusler materials, which were previously predicted to be tetragonal when being…

材料科学 · 物理学 2013-08-08 Janos Kiss , Stanislav Chadov , Gerhard H. Fecher , Claudia Felser