hanle effect
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scholarly journals Observation of Antiferromagnetic Magnon Pseudospin Dynamics and the Hanle Effect

2020 ◽  
Vol 125 (24) ◽  
Author(s):  
T. Wimmer ◽  
A. Kamra ◽  
J. Gückelhorn ◽  
M. Opel ◽  
S. Geprägs ◽  
...  
Keyword(s):  
Hanle Effect

scholarly journals Spin polarization recovery and Hanle effect for charge carriers interacting with nuclear spins in semiconductors

2020 ◽  
Vol 102 (23) ◽  
Author(s):  
D. S. Smirnov ◽  
E. A. Zhukov ◽  
D. R. Yakovlev ◽  
E. Kirstein ◽  
M. Bayer ◽  
...  
Keyword(s):  
Spin Polarization ◽  
Charge Carriers ◽  
Nuclear Spins ◽  
Hanle Effect

scholarly journals Spin relaxation induced by interfacial effects in n-GaN/MgO/Co spin injectors

RSC Advances ◽  
2020 ◽  
Vol 10 (21) ◽  
pp. 12547-12553
Author(s):  
Xingchen Liu ◽  
Ning Tang ◽  
Chi Fang ◽  
Caihua Wan ◽  
Shixiong Zhang ◽  
...  
Keyword(s):  
Spin Relaxation ◽  
Kerr Rotation ◽  
Time Resolved ◽  
Interfacial Effects ◽  
Hanle Effect ◽  
Spin Injectors ◽  
Rotation Spectrum

The interface-related spin relaxation in n-GaN/MgO/Co was investigated by both electrical Hanle effect and time resolved Kerr rotation spectrum.

scholarly journals The Relevance of Hanle Effect on Na and Fe Lidars

2020 ◽  
Vol 237 ◽  
pp. 04008
Author(s):  
Chiao-Yao (Joe) She
Keyword(s):  
Angular Distribution ◽  
Laser Beam ◽  
Resonant Scattering ◽  
Antenna Pattern ◽  
Scattering Process ◽  
Scattering Intensity ◽  
Atomic Transitions ◽  
Hanle Effect ◽  
The Difference

A laser resonant scattering process involves two steps, excitation and emission. That emission occurs spontaneously is well accepted. That the atoms involved in the emission are excited coherently by a laser beam leading to a non-isotropic angular distribution of emission (an antenna pattern) is not well known. The difference between coherent and incoherent excitation leads to the Hanle effect. In this paper, I discuss the physics of Hanle effect, and its influences on the backward scattering intensity of Na, K, and Fe atomic transitions and the associated Na and Fe resonant fluorescence lidar systems.

Proximity exchange coupling in a Fe/MgO/Si tunnel contact detected by the inverted Hanle effect

2019 ◽  
Vol 100 (17) ◽  
Author(s):  
R. Jansen ◽  
A. Spiesser ◽  
H. Saito ◽  
Y. Fujita ◽  
S. Yamada ◽  
...  
Keyword(s):  
Exchange Coupling ◽  
Hanle Effect ◽  
Tunnel Contact

Hanle effect in laser-induced fluorescence and Na and Fe resonance scattering lidars

2019 ◽  
Vol 58 (31) ◽  
pp. 8354 ◽  
Author(s):  
Chiao-Yao She
Keyword(s):  
Resonance Scattering ◽  
Laser Induced Fluorescence ◽  
Hanle Effect

scholarly journals Magneto-Optical Trap Field Characterization with the Directional Hanle Effect

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Jarom S. Jackson ◽  
Dallin S. Durfee
Keyword(s):  
Optical Trap ◽  
Magneto Optical Trap ◽  
Trap Field ◽  
Hanle Effect

scholarly journals Analytical Solution of the Hanle Effect in View of CLASP and Future Polarimetric Solar Studies

Atoms ◽  
2019 ◽  
Vol 7 (2) ◽  
pp. 55
Author(s):  
Motoshi Goto ◽  
Ryohko Ishikawa ◽  
Yusuke Iida ◽  
Saku Tsuneta
Keyword(s):  
Magnetic Field ◽  
Numerical Calculation ◽  
Analytical Formula ◽  
Atomic State ◽  
Stokes Parameters ◽  
Observation Angle ◽  
Observation Data ◽  
Lyman Alpha ◽  
Hanle Effect ◽  
The Magnetic Field

We have solved a problem of the Hanle effect for the hydrogen Lyman- α line in an intuitive and straightforward way. The Stokes parameters amid an anisotropic radiation field and a magnetic field are derived as an analytical formula which enables us to conduct immediate analyses of observation data taken by spectro-polarimetry. The derived formula is, in particular, supposed to be used for the analysis of the data taken by CLASP (Chromospheric Lyman-Alpha Spectro-Polarimeter), which has aimed at measuring the linear polarization in the hydrogen Lyman- α line (121.6 nm) and then evaluating the magnetic field in the upper chromosphere and the transition region. The dependence of the Stokes parameters on the strength and direction of the magnetic field and on the observation angle is derived with our analytical model. The results show a satisfactory agreement with those of a more rigorous numerical calculation where the radiative transfer is taken into account and the consistency is assured between the anisotropic randiation field and the polarized atomic state.

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