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Related papers: Magnetic oscillations in silicene

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An effective Hamiltonian approach is used to study the effect of Landau-level mixing on the energy spectrum of electrons in a smooth but random magnetic field B(r) with a finite uniform component B_0. It is found that, as opposed to…

Mesoscale and Nanoscale Physics · Physics 2008-02-03 M. C. Chang , M. F. Yang , T. M. Hong

In this letter we study the valley degeneracy splitting of the transition-metal dichalcogenides monolayer by first-principles calculations. The local magnetic moments are introduced into the system when the transition-metal atoms are…

Materials Science · Physics 2016-09-06 Xiaofang Chen , Liangshuai Zhong , Xiao Li , Jingshan Qi

In this work, we study a model for monolayer molybdenum disulfide with including the intravalley and intervalley electron-electron interaction. We solve the model at a self-consistent mean-field level and get three solutions $L_{0}$,…

Strongly Correlated Electrons · Physics 2021-12-22 Peng Fan , Zhen-Gang Zhu

We describe recent experimental efforts to perform polarization-resolved optical spectroscopy of monolayer transition-metal dichalcogenide semiconductors in very large pulsed magnetic fields to 65 tesla. The experimental setup and technical…

Mesoscale and Nanoscale Physics · Physics 2016-12-06 Andreas V. Stier , Kathleen M. McCreary , Berend T. Jonker , Junichiro Kono , Scott A. Crooker

We consider quasi-two-dimensional gas of electrons in a typical Si-MOSFET, assuming repulsive contact interaction between electrons. Magnetisation and susceptibility are evaluated within the mean-field approach. Finite thickness of the…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 D. I. Golosov

We consider an electron coupled to a random distribution of point vortices in the plane (magnetic impurities). We analyze the effect of the magnetic impurities on the density of states of the test particle, when the magnetic impurities have…

Condensed Matter · Physics 2009-10-28 Jean Desbois , Cyril Furtlehner , Stéphane Ouvry

The 3$d$-electronic spin dynamics and the magnetic order in Fe$_3$PO$_4$O$_3$ were investigated by muon spin rotation and relaxation ($\mu$SR) and $^{57}$Fe M\"ossbauer spectroscopy. Zero-field (ZF)-$\mu$SR and $^{57}$Fe M\"ossbauer studies…

The relaxation oscillations of Zeeman and dipole magnetizaions in spin system of a solid paramagnet are theoretically analyzed under conditions of intermediate saturation of magnetic resonance and strong low-frequency modulation of the…

Soft Condensed Matter · Physics 2007-05-23 M. D. Zviadadze , A. G. Kvirikadze , R. L. Lepsveridze , G. I. Mamniashvili , N. M. Sozashvili

The electron-phonon interaction and related transport properties are investigated in monolayer silicene and MoS2 by using a density functional theory calculation combined with a full-band Monte Carlo analysis. In the case of silicene, the…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Xiaodong Li , Jeffrey T. Mullen , Zhenghe Jin , Kostyantyn M. Borysenko , M. Buongiorno Nardelli , Ki Wook Kim

We present an accurate quantum mechanical study of molecule-molecule collisions in the presence of a magnetic field. The work focusses on the analysis of elastic scattering and spin relaxation in collisions of O2(3Sigma_g) molecules at cold…

Atomic Physics · Physics 2012-02-06 T. V. Tscherbul , Yu. V. Suleimanov , V. Aquilanti , R. V. Krems

The self-oscillation of the magnetization in a spin torque oscillator (STO) with a perpendicularly magnetized free layer and an in-plane magnetized pinned layer in the absence of an applied magnetic field was studied by numerically solving…

Mesoscale and Nanoscale Physics · Physics 2014-04-18 Tomohiro Taniguchi , Sumito Tsunegi , Hitoshi Kubota , Hiroshi Imamura

We consider a two-orbital impurity system with intra and inter-level Coulomb repulsion that is coupled to a single conduction channel. This situation can generically occur in multilevel quantum dots or in systems of coupled quantum dots.…

Strongly Correlated Electrons · Physics 2017-07-05 Arturo Wong , Anh T. Ngo , Sergio E. Ulloa

Magneto transmission spectroscopy was employed to study the valley Zeeman effect in large-area monolayer MoS$_{2}$ and MoSe$_{2}$. The extracted values of the valley g-factors for both A- and B-exciton were found be similar with $g_v \simeq…

Mesoscale and Nanoscale Physics · Physics 2016-04-13 A. A. Mitioglu , K. Galkowski , A. Surrente , L. Klopotowski , D. Dumcenco , A. Kis , D. K. Maude , P. Plochocka

We report on the magneto-optical spectroscopy and cathodoluminescence of a set of wurtzite (Ga,Mn)N epilayers with a low Mn content, grown by molecular beam epitaxy. The sharpness of the absorption lines associated to the Mn$^{3+}$ internal…

We investigate the properties of a two-dimensional quantum ring under rotating and external magnetic field effects. We initially analyse the Landau levels and inertial effects on them. Among the results obtained, we emphasize that the…

Mesoscale and Nanoscale Physics · Physics 2023-06-21 Luís Fernando C. Pereira , Edilberto O. Silva

We investigated magnetization, muon spin rotation ($\mu$SR), and $^{119}Sn$ M\"{o}ssbauer spectroscopy on Sn substituted $CuCr_{2-x}Sn_xS_4$ (x=0.03 and 0.08) spinel compounds. The magnetization and $\mu$SR results reveal similar additional…

It is proposed a novel method of the spectrally selective detection of the short spin waves (or magnons) by means of the transverse magneto-optical (MO) intensity effect in transmission in the magnetoplasmonic nanostructure. The method is…

Optics · Physics 2021-05-07 Olga V. Borovkova , Savelii V. Lutsenko , Andrey N. Kalish

The Zeeman effect lowers the energy of electrons with spin states which are anti-parallel to the applied magnetic field but lifts that of spin parallel states. In quantum spin liquids where the spin and charge degrees of freedom are…

Strongly Correlated Electrons · Physics 2023-06-05 Wen-Yu He , Patrick A. Lee

We study quantum oscillations of the magnetization in Bi$_{2}$Se$_{3}$(111) surface system in the presence of a perpendicular magnetic field. The combined spin-chiral Dirac cone and Landau quantization produce profound effects on the…

Mesoscale and Nanoscale Physics · Physics 2011-08-03 Zhigang Wang , Zhen-Guo Fu , Shuang-Xi Wang , Ping Zhang

The normal-state energy spectrum of the two-dimensional $t$-$J$ model in a homogeneous perpendicular magnetic field is investigated. The density of states at the Fermi level as a function of the inverse magnetic field $\frac{1}{B}$ reveals…

Strongly Correlated Electrons · Physics 2013-11-05 A. Sherman