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Quantized Hall conductance and de Haas van Alphen (dHvA) oscillation are studied theoretically in the tight-binding model for (TMTSF)$_2$NO$_3$, in which there are small pockets of electron and hole due to the periodic potentials of anion…

Mesoscale and Nanoscale Physics · Physics 2017-08-21 Keita Kishigi , Yasumasa Hasegawa

The electric-power dissipation of the anomalous-Hall current injected into a lateral load circuit is studied. The anomalous-Hall current is generated by a $\mathrm{Co_{75}Gd_{25}}$ ferrimagnetic Hall bar and injected into lateral contacts…

Mesoscale and Nanoscale Physics · Physics 2023-11-14 D. Lacour , M. Hehn , Min Xu , J. -E. Wegrowe

This work is about uniform, plane, singly connected, strictly regular Hall-plates with an arbitrary number of peripheral contacts exposed to a uniform magnetic field of arbitrary strength. The strictly regular symmetry is the highest…

Mesoscale and Nanoscale Physics · Physics 2023-04-05 Udo Ausserlechner

We use frequency-dependent capacitance-voltage spectroscopy to measure the tunneling probability into self-assembled InAs quantum dots. Using an in-plane magnetic field of variable strength and orientation, we are able to obtain information…

Other Condensed Matter · Physics 2009-11-10 Oliver S. Wibbelhoff , Axel Lorke , Dirk Reuter , Andreas D. Wieck

Spin Hall effects are a collection of phenomena, resulting from spin-orbit coupling, in which an electrical current flowing through a sample can lead to spin transport in a perpendicular direction and spin accumulation at lateral…

Mesoscale and Nanoscale Physics · Physics 2007-09-18 Hans-Andreas Engel , Emmanuel I. Rashba , Bertrand I. Halperin

The study of dynamical tunnelling in a periodically driven anharmonic potential probes the quantum-classical transition via the experimental control of the effective Planck's constant for the system. In this paper we consider the prospects…

Stimulated generally by recent interest in the novel spin Hall effect, the nonrelativistic quantum mechanical conserved currents, taken into account of spin-orbit coupling, are rigorously formulated based on the symmetries of system and…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Yong Wang , Ke Xia , Zhao-Bin Su , Zhongshui Ma

Spin-orbit torque characterizations on magnetic heterostructures with perpendicular anisotropy are demonstrated on a projected vector field magnet via hysteresis loop shift measurement and harmonic Hall measurement with planar Hall…

Mesoscale and Nanoscale Physics · Physics 2022-07-26 Chao-Chung Huang , Chia-Chin Tsai , Wei-Bang Liao , Tian-Yue Chen , Chi-Feng Pai

The critical current needed to destabilize the magnetization of a perpendicular ferromagnet via the spin Hall effect is studied. Both the dampinglike and fieldlike torques associated with the spin current generated by the spin Hall effect…

Mesoscale and Nanoscale Physics · Physics 2015-08-04 Tomohiro Taniguchi , Seiji Mitani , Masamitsu Hayashi

Recent experiments demonstrated generation of spin currents by ultrasound. We can understand this acoustically induced spin pumping in terms of the coupling between magnetization and lattice waves. Here we study the parametric excitation of…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Hedyeh Keshtgar , Malek Zareyan , Gerrit E. W. Bauer

The Hall conductivity in a weak homogeneous magnetic field, $\omega_{c}\tau \ll 1$, is calculated. We have shown that to leading order in $1/\epsilon_{F}\tau$ the Hall coefficient $R_{H}$ is not renormalized by the electron-electron…

Strongly Correlated Electrons · Physics 2007-05-23 M. Khodas , A. M. Finkel'stein

We have calculated the intrinsic anomalous and spin Hall conductivities, spin and orbital magnetic moments and also spin polarization of Hall currentsin hexagonal cobalt within the density functional theory with the generalized gradient…

Strongly Correlated Electrons · Physics 2015-06-05 Jen-Chuan Tung , Huei-Ru Fuh , Guang-Yu Guo

A brief review is given on the spin Hall effect, where an external electric field induces a transverse spin current. It has been recognized over 30 years that such effect occurs due to impurities in the presence of spin-orbit coupling.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Shuichi Murakami

Using a low-temperature atomic force microscope as a local voltmeter, we measure the Hall voltage profile in a quantum Hall conductor in the presence of a gate-induced non-equilibrium edge state population at n=3. We observe sharp voltage…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Michael T. Woodside , Chris Vale , Kent L. McCormick , Paul L. McEuen , C. Kadow , K. D. Maranowski , A. C. Gossard

We study the motion of the charged particles between a pair of conductor plates in the non-inertial reference frame. It is found that there exists a stable voltage between the two conductor plates, which is proportional to the rotation…

Classical Physics · Physics 2018-01-24 Yun-He Zhao , Yu-Han Ma

The in-plane (thermal) Hall effect is an unconventional transverse response when the applied magnetic field is in the (heat) current plane. In contrast to the normal Hall effect, the in-plane Hall effect requires the absence of certain…

Materials Science · Physics 2023-06-01 Takashi Kurumaji

In conventional \textit{ab initio} methodologies, phonons are calculated by solving equations of motion involving static interatomic force constants and atomic masses. The Born-Oppenheimer approximation, where all electronic degrees of…

Materials Science · Physics 2024-03-15 Shang Ren , John Bonini , Massimiliano Stengel , Cyrus E. Dreyer , David Vanderbilt

Magnetoresistance (MR) provides a crucial tool for experimentally studying spin torques. While MR is well established in the device geometry of the spin Hall effect (SHE), as exemplified by the magnet/heavy-metal heterostructures, its role…

Mesoscale and Nanoscale Physics · Physics 2026-01-13 Hantao Zhang , Ran Cheng

We developed a method which performs the coupled adiabatic spin and lattice dynamics based on the tight-binding electronic structure model, where the intrinsic magnetic field and ionic forces are calculated from the converged…

We present gauge-invariant theory of the dynamic inverse spin Hall effect driven by the spin--orbit interaction in metallic systems. Charge conservation is imposed diagrammatically by including vertex corrections. We show the charge current…

Mesoscale and Nanoscale Physics · Physics 2010-01-06 Kazuhiro Hosono , Akihito Takeuchi , Gen Tatara
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