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The magnetic H - T phase diagram of a quasi-two-dimensional antiferromagnet RbFe(MoO4)2 with an equilateral triangular lattice structure is studied with 87Rb NMR and neutron diffraction techniques. This combination of experimental…

Strongly Correlated Electrons · Physics 2022-02-09 Yu. A. Sakhratov , O. Prokhnenko , A. Ya. Shapiro , H. D. Zhou , L. E. Svistov , A. P. Reyes , O. A. Petrenko

Focusing on the efficient probe and manipulation of single-particle spin states, we investigate the coupled spin and orbital dynamics of a spin 1/2 particle in a harmonic potential subject to ultrastrong spin-orbit interaction and external…

Mesoscale and Nanoscale Physics · Physics 2014-01-21 C. Echeverria-Arrondo , E. Ya. Sherman

The magnetic ordering of the hexagonal multiferroic compound YbMnO$_3$ has been studied between 100 K and 1.5 K by combining neutron powder diffraction, $^{170}$Yb M\"ossbauer spectroscopy and magnetization measurements. The Yb moments of…

Strongly Correlated Electrons · Physics 2008-09-30 X. Fabrèges , I. Mirebeau , P. Bonville , S. Petit , G. Lebras-Jasmin , A. Forget , G. André , S. Pailhès

Atomically thin van der Waals magnetic materials have not only provided a fertile playground to explore basic physics in the two-dimensional (2D) limit but also created vast opportunities for novel ultrafast functional devices. Here we…

Mesoscale and Nanoscale Physics · Physics 2024-08-20 F. Michael Bartram , Meng Li , Liangyang Liu , Zhiming Xu , Yongchao Wang , Mengqian Che , Hao Li , Yang Wu , Yong Xu , Jinsong Zhang , Shuo Yang , Luyi Yang

We demonstrate that the system of localized magnetic moments in HoNi$_2$B$_2$C can be described by the 4-positional clock model. This model, at a proper choice of the coupling constants, yields several metamagnetic phases in magnetic field…

Condensed Matter · Physics 2009-10-30 V. K. Kalatsky , V. L. Pokrovsky

In vortex-like spin arrangements, multiple spins can combine into emergent multipole moments. Such multipole moments have broken space-inversion and time-reversal symmetries, and can therefore exhibit linear magnetoelectric (ME) activity.…

With electron filling $n=1$ in the $\rm Sr_2VO_4$ compound, the octahedrally coordinated $t_{\rm 2g}$ orbitals are strongly active due to tetragonal distortion induced crystal field tuning by external agent such as pressure. Considering the…

Strongly Correlated Electrons · Physics 2022-02-25 Shubhajyoti Mohapatra , Dheeraj Kumar Singh , Rajyavardhan Ray , Sayandip Ghosh , Avinash Singh

Magneto-oscillations of the electric dipole moment are predicted and analyzed for a single-electron nanoscale ring pierced by a magnetic flux (an Aharonov-Bohm ring) and subjected to an electric field in the ring's plane. These oscillations…

Mesoscale and Nanoscale Physics · Physics 2012-09-11 A. M. Alexeev , M. E. Portnoi

The magnetic deformation of magnetars is affected by their internal magnetic fields, which are generally difficult to be measured directly through observations. In this work, the periodic pulse-phase modulations in the hard X-ray emissions…

High Energy Astrophysical Phenomena · Physics 2025-01-07 Jie Shu , Quan Cheng , Xiao-Ping Zheng

The interplay of charge, spin, orbital and lattice degrees of freedom has recently received great interest due to its potential to improve the magnetocaloric effect (MCE) for the purpose of magnetic cooling applications. Here we propose a…

Materials Science · Physics 2019-02-08 M. S. Song , K. K. Cho , B. Y. Kang , S. B. Lee , B. K. Cho

Excitonic magnetism involving superpositions of singlet and triplet states is expected to arise for two holes in strongly correlated and spin-orbit coupled $t_{2g}$ orbitals. However, uncontested material examples for its realization are…

Strongly Correlated Electrons · Physics 2020-08-21 Teresa Feldmaier , Pascal Strobel , Michael Schmid , Philipp Hansmann , Maria Daghofer

Successive phase transitions in a rare-earth monoaxial chiral magnet DyNi$_3$Ga$_{9}$ have been investigated by resonant x-ray diffraction. Magnetic dipole and electric quadrupole degrees of freedom arising from the large angular moment of…

Strongly Correlated Electrons · Physics 2022-02-11 Mitsuru Tsukagoshi , Takeshi Matsumura , Shinji Michimura , Toshiya Inami , Shigeo Ohara

We derive the rate of change of the mean motion up to the second post-Newtonian order for inspiralling compact binaries with spin, mass quadrupole and magnetic dipole moments on eccentric orbits. We give this result in terms of orbital…

General Relativity and Quantum Cosmology · Physics 2016-11-15 Mátyás Vasúth , Balázs Mikóczi , László Á. Gergely

In spinels ACr2O4 (A=Mg, Zn) realisation of the classical pyrochlore Heisenberg antiferromagnet model is complicated by a strong spin-lattice coupling: the extensive degeneracy of the ground state is lifted by a magneto-structural…

We examine trivalent Pr crystal field models with near-degeneracy of the two lowest crystal field levels, where interaction-induced quadrupolar and dipolar moments are as important as the permanent moments of the crystal field ground state.…

Strongly Correlated Electrons · Physics 2009-11-07 A. Kiss , P. Fazekas

Soft x-ray resonant scattering has been used to examine the charge and magnetic interactions in the cycloidal antiferromagnetic compound \dyfeal. By tuning to the Dy $M_4$ and $M_5$ absorption edges and the Fe L(2) and L(3) absorption edges…

Strongly Correlated Electrons · Physics 2007-05-23 T. A. W. Beale , S. B. Wilkins , P. D. Hatton , P. Abbamonte , S. Stanescu , J. A. Paixao

We provided comments on the article Orbits of particles with magnetic dipole moment around magnetized Schwarzschild black holes: Applications to S2 star orbit by Uktamjon Uktamov, Mohsen Fathi, Javlon Rayimbaev, and Ahmadjon Abdujabbarov…

General Relativity and Quantum Cosmology · Physics 2024-12-31 Miles Angelo Sodejana

In pulsed magnetic fields up to 65T and at temperatures below the N\'eel transition, our magnetization and magnetostriction measurements reveal a field-induced metamagnetic-like transition that is suggestive of an antiferromagnetic to…

Strongly Correlated Electrons · Physics 2017-01-18 Ryan L. Stillwell , I-Lin Liu , Neil Harrison , Marcelo Jaime , Jason R. Jeffries , Nicholas P. Butch

Ferro-quadrupole (FQ) order in the non-Kramers $\Gamma_3$ doublet system PrTi$_2$Al$_{20}$ has been investigated via angle-resolved measurements of the specific heat, rotational magnetocaloric effect, and entropy, under a rotating magnetic…

Magnetic-field effect on the magnetic and electric properties in a chiral polar ordered corundum Ni$_2$InSbO$_6$ has been investigated. Single-crystal soft x-ray and neutron diffraction measurements confirm long-wavelength magnetic…