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Related papers: Magnetic oscillations in silicene

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We analyze the Landau level (LL) structure and spin Hall effect in a MoS2 trilayer. Due to orbital asymmetry, the low-energy Dirac fermions become heavily massive and the LL energies grow linearly with $B$, rather than with $\sqrt{B}$.…

Mesoscale and Nanoscale Physics · Physics 2013-02-06 Xiao Li , Fan Zhang , Qian Niu

We investigate the Landau-Zener (LZ) process in spin-orbit coupled systems of single or multiple two-level (spin-$\frac{1}{2}$) particles. The coupling between internal spin states and external vibrational states, a simple spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2013-10-01 Xiaolong Zhang , Jiahao Huang , Yuexia Zhang , Kelin Gao , Chaohong Lee

Degenerate extrema in the energy dispersion of charge carriers in solids, also referred to as valleys, can be regarded as a binary quantum degree of freedom, which can potentially be used to implement valleytronic concepts in van der Waals…

The current article investigated the band structure in the presence and absence of spin-orbit coupling (SOC), examined the Z2 invariants, and investigated the detailed angle-dependent magneto-transport of up to 10 T (Tesla) and down to 2 K…

Materials Science · Physics 2024-07-10 N. K. Karn , Yogesh Kumar , Geet Awana , V. P. S. Awana

Oscillatory effects in magnetic susceptibility of free electrons in a strong magnetic field is well known phenomenon and is well captured by Lifshitz-Kosevich formula. In this paper we point out similar oscillatory effects in Stoner…

Strongly Correlated Electrons · Physics 2019-06-25 Ajeet Kumar , Raman Sharma , Navinder Singh

The unsigned mean magnetic field characterizes the magnetic energy settled in the region near the solar surface. It is one of the determinant ingredients that govern the turbulence in the photosphere, and the magnetic heating of upper…

Astrophysics · Physics 2007-05-23 P. A. P. Nghiem , R. A. Garcia , S. J. Jimenez-Reyes

The geometric, electronic, magnetic, thermal, and optical properties of transition metal (TM) doped silicene are systematically explored using spin-dependent density functional computation. We find that the TM atoms decrease the buckling…

Mesoscale and Nanoscale Physics · Physics 2021-02-16 Nzar Rauf Abdullah , Mohammad T. Kareem , Hunar Omar Rashid , Andrei Manolescu , Vidar Gudmundsson

Magneto-intersubband resistance oscillations (MISO) of highly mobile 2D electrons in symmetric GaAs quantum wells with two populated subbands are studied in magnetic fields tilted from the normal to the 2D electron layer at different…

Mesoscale and Nanoscale Physics · Physics 2021-08-18 Sara Abedi , S. A. Vitkalov , A. A. Bykov , A. K. Bakarov

We consider a quantum ring of a certain radius R built from a sheet of the $\alpha$-$T_3$ lattice and solve for its spectral properties in presence of an external magnetic field. The energy spectrum consists of a conduction band, a valence…

Mesoscale and Nanoscale Physics · Physics 2023-09-15 Mijanur Islam , Tutul Biswas , Saurabh Basu

The temperature dependence of the excitation spectrum in NaOsO$_{\text{3}}$ through its metal-to-insulator transition (MIT) at 410 K has been investigated using resonant inelastic X-ray scattering (RIXS) at the Os L$_{\text{3}}$ edge. High…

In the present paper, we theoretically study the effect of density of state variation on the phenomena in the discontinuous magnetic field. Special attention is paid to the transient processes when the magnetic field is switched on (off).…

Mesoscale and Nanoscale Physics · Physics 2019-11-21 Petro Romanets

Circular polarization resolved magneto-infrared studies of multilayer epitaxial graphene (MEG) are performed using tunable quantum cascade lasers in high magnetic fields up to 17.5 T. Landau level (LL) transitions in the monolayer and…

Mesoscale and Nanoscale Physics · Physics 2019-10-16 Y. Jiang , Z. Lu , J. Gigliotti , A. Rustagi , L. Chen , C. Berger , W. A. de Heer , C. J. Stanton , D. Smirnov , Z. Jiang

Shubnikov-de Haas (SdH) oscillations and magneto-intersubband oscillations of magnetoresistance of structures with single HgTe quantum wells with a width of (10-18) nm have been experimentally studied. The spectrum of the conduction band in…

Mesoscale and Nanoscale Physics · Physics 2024-05-31 G. M. Minkov , O. E. Rut , A. A. Sherstobitov , A. V. Germanenko , S. A. Dvoretski , N. N. Mikhailov

Spin states and persistent currents are investigated theoretically in a mesoscopic ring with an embedded magnetic ion under a uniform magnetic field including the spin-orbit interactions. The magnetic impurity acts as a spin-dependent…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 J. S. Sheng , Kai Chang

We present a study on the lifting of degeneracy of the size-quantized energy levels in an electrostatically defined quantum point contact in bilayer graphene by the application of in-plane magnetic fields. We observe a Zeeman spin splitting…

Mesoscale and Nanoscale Physics · Physics 2022-02-03 Vanessa Gall , Rainer Kraft , Igor V. Gornyi , Romain Danneau

Evidence is presented for a first-order magnetic phase transition in a gated two-dimensional semiconductor, monolayer-MoS$_2$. The phase boundary separates a spin-polarised (ferromagnetic) phase at low electron density and a paramagnetic…

Using several independent methods, we find that the metal-insulator transition occurs in the strongly-interacting two-valley two-dimensional electron system in ultra-high mobility SiGe/Si/SiGe quantum wells in zero magnetic field. The…

Strongly Correlated Electrons · Physics 2022-12-13 A. A. Shashkin , S. V. Kravchenko

We use a Boltzmann equation to determine the magnetoconductivity of quantum wires. The presence of a confining potential in addition to the magnetic field removes the degeneracy of the Landau levels and allows one to associate a group…

Condensed Matter · Physics 2009-10-22 Henrik Bruus , Karsten Flensberg , Henrik Smith

In single molecular magnets, chiral vibrations carrying vibrational angular momentum ($\hat{L}^{\text{vib}}$) emerge due to the splitting of a doubly degenerate vibrational mode. Here, we identify a new type of effective spin-vibrational…

Mesoscale and Nanoscale Physics · Physics 2025-05-19 Aman Ullah , Sergey A. Varganov , Yafis Barlas

We investigated the magnetic and magnetoelastic properties of MnSc$_2$Se$_4$ single crystals at low temperature under a magnetic field directed along the crystallographic [111] axis. The magnetization data at low temperature show a linear…

Strongly Correlated Electrons · Physics 2024-10-29 J. Sourd , Y. Skourski , L. Prodan , V. Tsurkan , A. Miyata , J. Wosnitza , S. Zherlitsyn