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In this work, we present a systematic study on the feasibility of probing the largely unexplored transverse momentum dependent gluon Sivers function (GSF) in open charm production, high p$_T$ charged di-hadron and di-jet production at a…

High Energy Physics - Phenomenology · Physics 2018-08-23 L. Zheng , E. C. Aschenauer , J. H. Lee , Bo-Wen Xiao , Zhong-Bao Yin

We use spin-transfer-driven ferromagnetic resonance (ST-FMR) to measure the spin-transfer torque vector T in MgO-based magnetic tunnel junctions as a function of the offset angle between the magnetic moments of the electrodes and as a…

Other Condensed Matter · Physics 2015-05-13 C. Wang , Y. -T. Cui , J. Z. Sun , J. A. Katine , R. A. Buhrman , D. C. Ralph

In order to study the spin density wave transition temperature (T_SDW) in (TMTSF)_2PF_6 as a function of magnetic field, we measured the magnetoresistance R_zz in fields up to 19 T. Measurements were performed for three field orientations…

Strongly Correlated Electrons · Physics 2015-05-14 Ya. A. Gerasimenko , V. A. Prudkoglyad , A. V. Kornilov , V. M. Pudalov , V. N. Zverev , A. -K. Klehe , J. S. Qualls

We developed a novel contactless frequency-domain approach to study thermal transport, which is particularly convenient when thermally anisotropic materials are considered. The method is based on a similar line-shaped heater geometry as…

Tensor sparse modeling as a promising approach, in the whole of science and engineering has been a huge success. As is known to all, various data in practical application are often generated by multiple factors, so the use of tensors to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Hongbing Zhang , Xinyi Liu , Hongtao Fan , Yajing Li , Yinlin Ye

We study the role of anisotropy on the transport properties of composite fermions near Landau level filling factor $\nu=1/2$ in two-dimensional holes confined to a GaAs quantum well. By applying a parallel magnetic field, we tune the…

Mesoscale and Nanoscale Physics · Physics 2016-07-20 M. A. Mueed , D. Kamburov , S. Hasdemir , L. N. Pfeiffer , K. W. West , K. W. Baldwin , M. Shayegan

We theoretically investigate heavy-hole--light-hole mixing in two-dimensional hole gases (2DHG). We restrict our analysis to the zone center, appropriate for the low-density regime, which leads to a simple description, analytical results,…

Mesoscale and Nanoscale Physics · Physics 2025-03-20 Peter Stano , Daniel Loss

This paper is devoted to the formulation of a complexity factor for dynamical anisotropic sphere in the framework of $f(G,T)$ gravity, where $G$ is the Gauss-Bonnet invariant and $T$ is the trace of energy-momentum tensor. Inhomogeneous…

General Relativity and Quantum Cosmology · Physics 2022-05-10 M. Sharif , K. Hassan

We report measurements of spin susceptibility of a two-dimensional hole gas confined at an GaAs/AlGaAs interface in density range from 2.8 x 10^10 to 6.5 x 10^10 cm-2. We used the method of spin polarization of carriers in parallel magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Mukesh Kumar , Giorgio Mori , Flavio Capotondi , Giorgio Biasiol , Lucia Sorba

We report a severe, spin-dependent, Fermi contour anisotropy induced by parallel magnetic field in a high-mobility (001) GaAs two-dimensional hole system. Employing commensurability oscillations created by a unidirectional,…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 D. Kamburov , M. Shayegan , R. Winkler , L. N. Pfeiffer , K. W. West , K. W. Baldwin

Spin orbit torques (SOT) are used to manipulate magnetization of ferromagnets in heavy metal / ferromagnetic bilayers and thus are technologically relevant from magnetization switching perspective. This necessitates development of methods…

Mesoscale and Nanoscale Physics · Physics 2026-04-03 Akanksha Chouhan , Abhishek Erram , Ashwin A. Tulapurkar

The anisotropy of solar wind turbulence is a critical issue in understanding the physics of energy transfer between scales and energy conversion between fields and particles in the heliosphere. Using the measurement of \emph{Parker Solar…

The magnetic properties of arrays of nanowires (NWs) and nanotubes (NTs), 150 nm in diameter, electrodeposited inside nanoporous polycarbonate membranes are investigated. The comparison of the nanoscopic magnetic force microscopy (MFM)…

Materials Science · Physics 2014-07-30 M. R. Tabasum , F. Zighem , J. De La Torre Medina , A. Encinas , L. Piraux , B. Nysten

The heavy-holes in Ge/GeSi heterostructures show highly anisotropic gyromagnetic response with in-plane $g$-factors $g_{x,y}^*\lesssim 0.3$ and out-of-plane $g$-factor $g_z^*\gtrsim 10$. As a consequence, Rabi hot spots and dephasing sweet…

Mesoscale and Nanoscale Physics · Physics 2025-02-26 Lorenzo Mauro , Esteban A. Rodríguez-Mena , Biel Martinez , Yann-Michel Niquet

It has been shown that the spin Hall effect from heavy transition metals can generate sufficient spin-orbit torque and further produce current-induced magnetization switching in the adjacent ferromagnetic layer. However, if the…

Mesoscale and Nanoscale Physics · Physics 2020-04-16 Yan-Ting Liu , Tian-Yue Chen , Tzu-Hsiang Lo , Tsung-Yu Tsai , Shan-Yi Yang , Yao-Jen Chang , Jeng-Hua Wei , Chi-Feng Pai

We report about the anomalous Hall effect in 4f 3d metallic alloys measured using terahertz time-domain spectroscopy. The strength of the observed terahertz spin-dependent transport phenomenon is in good agreement with expectations based on…

Mesoscale and Nanoscale Physics · Physics 2017-03-22 T. J. Huisman , R. V. Mikhaylovskiy , A. Tsukamoto , L. Ma , W. J. Fan , S. M. Zhou , Th. Rasing , A. V. Kimel

We have measured the temperature dependent resistivity of (TMTTF)$_2$PF$_6$ to 7 GPa using a turnbuckle DAC (diamond anvil cell) and in magnetic field up to 5 T. Unlike many other organic conductors, a zero resistance was observed in the…

We present a new complete asymptotic expansion for the low frequency time-harmonic magnetic field perturbation caused by the presence of a conducting (permeable) object as its size tends to zero for the eddy current regime of Maxwell's…

Analysis of PDEs · Mathematics 2018-05-23 P. D. Ledger , W. R. B. Lionheart

A new method to measure the spin polarization of a ferromagnetic nanomagnet is proposed and experimentally demonstrated. A high precision, repeatability and simplicity are the features of the proposed method. The dependency of the spin…

Mesoscale and Nanoscale Physics · Physics 2019-02-19 Vadym Zayets

Magnetization and muon spin relaxation on MgB2 were measured as a function of field at 2 K. Both indicate an inverse-squared penetration depth strongly decreasing with increasing field H below about 1 T. Magnetization also suggests the…