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639 results for “spin”
Dataset: High-accuracy simulations of highly spinning binary neutron star systems
<p><strong>Dataset for Gravitational Waveforms for the work of Dudi et al., "High-accuracy simulations of highly spinning binary neutron star systems"; arXiv: 2108.10429 </strong></p> <p> </p> <p><strong>The naming of the files: </strong>EOS_SpinSetup_NumberOfPoints_Mode.dat<br> EOS: SLy<br> SpinSetup: dd - down down; ud - up, down; uu037 -- up, up with dimensionless spin of 0.37; uu057 -- up, up with dimensionless spin of 0.57<br> NumberOfPoints: Points inside the finest level: 96, 144, 192, 240<br> Mode: Only 2,2-mode available <br> </p>
Beatings of ratchet current magneto-oscillations in GaN-based grating gate structures: Manifestation of spin-orbit band splitting
<p>OPEN DATA related to the research publication:</p> <p>Sai, P., Potashin, S. O., Szoła, M., Yavorskiy, D., Cywiński, G., Prystawko, P., ... & Kachorovskii, V. Y. (2021). <strong>Beatings of ratchet current magneto-oscillations in GaN-based grating gate structures: Manifestation of spin-orbit band splitting.</strong> <em>Physical Review B</em>, <em>104</em>(4), 045301 [arXiv:2102.12791].</p> <p><em>Abstract</em>: We report on the study of the magnetic ratchet effect in AlGaN/GaN heterostructures superimposed with a lateral superlattice formed by a dual-grating gate structure. We demonstrate that irradiation of the superlattice with a terahertz beam results in the <em>direct</em> ratchet current, which shows giant magneto-oscillations in the regime of Shubnikov–de Haas oscillations. The oscillations have the same period and are in phase with the resistivity oscillations. Remarkably, their amplitude is greatly enhanced as compared with the ratchet current at zero magnetic field, and the envelope of these oscillations exhibits large beatings as a function of the magnetic field. We demonstrate that the beatings are caused by the spin-orbit (SO) splitting of the conduction band. We develop a theory which gives a good qualitative explanation of all experimental observations and allows us to extract the SO splitting constant α<sub>SO</sub>=7.5±1.5 meVÅ. We also discuss how our results are modified by plasmonic effects and show that these effects become more pronounced with decreasing the period of the grating gate structures down to submicrons.</p>
Dataset: "Generalized scaling of spin qubit coherence in over 12,000 host materials"
<p>Accompanying data for the main text and supplemental materials of <strong><em>Generalized scaling of spin qubit coherence in over 12,000 host materials</em></strong></p>
Animation of Spin Up 3rd Eigenvector for 2-D Simple Harmonic Oscillator Potential (MP4)
<p>MP4 video animation of 3rd Eigenvector for a 2-D SHO potential. This animation accompanies the paper "Real Wave Quantum Mechanics: Solutions for 2-D Simple Harmonic Potential Well". The animation shows the repeated multiplication of the Eigenvector by the (complex) normalized eigenvalue. The magnitude of the FRs are unchanged but their phase drifts in the same direction as the FR spin.</p>
Animation of 13th Eigenstructure (Spin Down) for Simple Harmonic Oscillator Potential (MP4)
<p>MP4 video animation of 13th Eigenvector for a 2-D SHO potential. This animation accompanies the paper "Real Wave Quantum Mechanics: Solutions for 2-D Simple Harmonic Potential Well". The animation shows the repeated multiplication of the Eigenvector by the (complex) normalized eigenvalue. The magnitude of the FRs are unchanged but their phase drifts in the same direction as the FR spin.<br> </p>
Data for "Spin-charge separation in a 1D Fermi gas with tunable interactions"
<p>This dataset is corresponding to the article "Spin-charge separation in a 1D Fermi gas with tunable interactions"</p>
The effect of spin polarization in DEER spectroscopy
<p>This works examines the physics underlying double electron-electron resonance (DEER) spectroscopy, a magnetic-resonance method that provides nanoscale data about protein structure and conformations. Here, the data files are presented that were used for publication, both main text and supplement.</p>
Spin wave stiffness and damping in a frustrated chiral helimagnet Co8Zn8Mn4 as measured by small-angle neutron scattering
<p>The repository contains the data presented in the figures in the manuscript entitled <br> "Spin wave stiffness and damping in a frustrated chiral helimagnet Co8Zn8Mn4 as measured by small-angle neutron scattering".</p> <p>Requests for further information can be directed to the corresponding authors Victor Ukleev (victor.ukleev 'at' psi.ch).</p>
Collective ferromagnetism of artificial square spin ice
<p>We have studied the temperature and magnetic field dependence of the total magnetic moment of large-area permalloy artificial square spin ice arrays. The temperature dependence and hysteresis behavior are consistent with the coherent magnetization reversal expected in the Stoner-Wohlfarth model, with clear deviations due to inter-island interactions at small lattice spacing. Through micromagnetic simulations, we explore this behavior and demonstrate that the deviations result from increasingly complex magnetization reversal at small lattice spacing, induced by inter-island interactions, and depending critically on details of the island shapes. These results establish new means to tune the physical properties of artificial spin ice structures and other interacting nanomagnet systems, such as patterned magnetic media.</p>
Data for the article "Room-Temperature Antiferromagnetic Resonance and Inverse Spin-Hall Voltage in Canted Antiferromagnets"
<p>Data for the article "Room-Temperature Antiferromagnetic Resonance and Inverse Spin-Hall Voltage in Canted Antiferromagnets"</p> <p>(<a href="https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.126.187201">https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.126.187201</a> and <a href="https://arxiv.org/ftp/arxiv/papers/2103/2103.16872.pdf">https://arxiv.org/ftp/arxiv/papers/2103/2103.16872.pdf</a>)</p>
Data for the article "Exceptional sign changes of the nonlocal spin Seebeck effect in antiferromagnetic hematite"
<p>Data for the article "Exceptional sign changes of the nonlocal spin Seebeck effect in antiferromagnetic hematite"<a href="https://journals.aps.org/prb/abstract/10.1103/PhysRevB.103.224433">(https://journals.aps.org/prb/abstract/10.1103/PhysRevB.103.224433</a> and <a href="https://arxiv.org/abs/2105.13653">https://arxiv.org/abs/2105.13653</a>)</p>
Data for "Ultrafast Spin-Charge Conversion at SnBi2Te4/Co Topological Insulator Interfaces Probed by Terahertz Emission Spectroscopy"
<p>Data for "Ultrafast Spin-Charge Conversion at SnBi2Te4/Co Topological Insulator Interfaces Probed by Terahertz Emission Spectroscopy"</p> <p>(<a href="https://onlinelibrary.wiley.com/doi/abs/10.1002/adom.202102061">https://onlinelibrary.wiley.com/doi/abs/10.1002/adom.202102061</a> and <a href="https://arxiv.org/pdf/2203.08756.pdf">https://arxiv.org/pdf/2203.08756.pdf</a>)</p> <p> </p> <p>E Rongione, S Fragkos, L Baringthon, J Hawecker, E Xenogiannopoulou, P Tsipas, C Song, M Mičica, J Mangeney, J Tignon, T Boulier, N Reyren, R Lebrun, J‐M George, P Le Fèvre, S Dhillon, A Dimoulas, H Jaffrès</p>
Dataset: Enhancing Spin Coherence in Optically Addressable Molecular Qubits through Host-Matrix Control
<p>Dataset: Enhancing Spin Coherence in Optically Addressable Molecular Qubits through Host-Matrix Control</p>
Spin and orbital textures of KTaO3 (001) two-dimensional electron gases from a tight-binding model
<p>The dataset contains the iso-energy lines with the expectation values of spin and orbital moments of KTaO3 (001) two-dimensional electron gases for selected energies. The data was generated using a tight-binding model.</p>
galaxy-spin-zs-catalog
<p>Galaxy classification catalogs in the paper <em>Galaxy Spin Classification I: Z-wise vs S-wise Spirals With Chirality Equivariant Residual Network</em> by He Jia, Hong-Ming Zhu and Ue-Li Pen. See readme.md for description of the catalogs.</p>
Torre de Roca | Wool Spinning Tower
Proveniente das escavações arqueológicas do Castelo de Montemor-o-Novo, esta peça é uma Torre de roca - elemento essencial essencial no processo de fiação e que funciona como suporte da rama de algodão, de lã ou outra matéria textil destinada para ser transformada em fio. Esta peça apresenta decoração com elementos circulares e foi produzida em osso. Esta peça encontra-se em exposição no Centro Interpretativo do Castelo de Montemor-o-Novo Source: Objaverse 1.0 / Sketchfab
Effective ergodicity in single-spin-flip dynamics
<p>Dataset and plotting routines to reproduce the results from Physical Review E 90, 032141 (2014). </p> <p>A quantitative measure of convergence to effective ergodicity, the Thirumalai-Mountain (TM) metric, is applied to Metropolis and Glauber single-spin-flip dynamics. In computing this measure, finite lattice ensemble averages are obtained using the exact solution for a one dimensional Ising model, whereas the time averages are computed with Monte Carlo simulations. The time evolution of the effective ergodic convergence of Ising magnetization is monitored. By this approach, diffusion regimes of the effective ergodic convergence of magnetization are identified for different lattice sizes, nonzero temperature, and nonzero external field values. Results show that caution should be taken when using the TM metric at system parameters that give rise to strong correlations.</p> <p> </p>
Data for "Magic Angle Spinning Solid-State 13C Photochemically Induced Dynamic Nuclear Polarization by a Synthetic Donor–Chromophore–Acceptor System at 9.4 T"
<p>NMR data and photo-CIDNP-enhanced NMR data for "Magic Angle Spinning Solid-State 13C Photochemically Induced Dynamic Nuclear Polarization by a Synthetic Donor–Chromophore–Acceptor System at 9.4 T".</p> <p>All data but those relative to the spectra in Figure S13 are provided in Bruker format. For the low field experiments (Figure S13), raw free induction decay NMR data are provided, together with a processing script written in Wolfram Mathematica.</p>
Ground-state dataset "Zero-temperature Monte Carlo simulations of two-dimensional quantum spin glasses guided by neural network states"
<h1>2D QUANTUM EDWARDS-ANDERSON GROUND-STATE DATASET:</h1> <p>The dataset contains coupling and energy data for 50 instances of a 2D quantum Edwards-Anderson model at Gamma (transverse field) = 1.8, featuring N=LxL=100 spins on a square lattice of side-length L=10 with periodic boundary conditions. The couplings are sampled from a Gaussian distribution with zero mean and unit variance.<br>The dataset consists of two text files containing coupling values and the corresponding ground-state energies.</p> <h2>Coupling Data (`coup_dataset.txt`)</h2> <p>The file `coup_dataset.txt` contains fifty sets of coupling data. Each set consists of three columns representing the indices `i`, `j`, and the coupling value `J_ij`, respectively.<br>The spin indices range from 1 to 100, ordered progressively by rows. Each set of coupling data is separated by two empty lines.</p> <h2>Energy Data (eng_dataset.txt)</h2> <p>The file `eng_dataset.txt` contains fifty rows of energy data corresponding to the coupling sets in `coup_dataset.txt`. Each row contains two columns representing the energy value and its associated statistical error-bar, rounded to the fifth decimal digit.</p>
The fate of the spin polaron in the 1D antiferromagnets
<div> <div>The stability of the spin polaron quasiparticle, well established in studies of a single hole in the 2D antiferromagnets, is investigated in the 1D antiferromagnets using a <em>t-J</em> model. We perform an exact slave fermion transformation to the holon-magnon basis, and diagonalize numerically the resulting model in the presence of a single hole. We demonstrate that the spin polaron collapses - and the spin-charge separation takes over - due to the specific role played by the magnon-magnon interactions <em>and</em> the magnon hard-core constraint in the 1D <em>t-J</em> model. Moreover, we prove that the spin polaron is stable for any strength of the magnon-magnon interaction other than the unique value found in a 1D antiferromagnet with the continuous symmetry of the spin interactions. Fine-tuning to this unique value is extremely unlikely to occur in <em>quasi</em>-1D antiferromagnets, therefore the spin polaron is the stable quasiparticle of realistic 1D materials. Our results lead to a new interpretation of the ARPES spectra of <em>quasi</em>-1D antiferromagnets in the spin polaron language.</div> </div>
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.