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Dataset results
163 results for “superconductivity”
Tunable directional photon scattering from a pair of superconducting qubits
<p>This dataset comprises all data shown in the figures of the submitted article "Tunable directional photon scattering from a pair of superconducting qubits" at arXiv:2205.03293. Additional raw data are available from the corresponding author on reasonable request.</p>
Two-fluid Physical Modeling of Superconducting Resonators in the ARTEMIS Framework
<p>Input files, data files and scripts to replicate results in "Two-fluid Physical Modeling of Superconducting Resonators in the ARTEMIS Framework" (Jambunathan et el.)</p> <p> </p> <p>Please direct any questions to the corresponding author, Revathi Jambunathan (rjambunathan [at] lbl.gov)</p> <p>Artemis simulations were run using the development branch of artemis <a href="https://github.com/ECP-WarpX/artemis">https://github.com/ECP-WarpX/artemis </a></p> <p>Some simulations in this paper were performed with different commit hashes of artemis and amrex, however, the input files should still work with the most recent development branch of artemis.</p> <p>In the attached tar file, the input files, data, and scripts used to analyse simulation results shown in Figures 1, 2, 3, 4, and 6 of the paper are provided. To run the simulations on perlmutter GPUs, the code is compiled with USE_GPU=TRUE and USE_LLG=FALSE</p> <p> </p> <p> </p> <p> </p>
Unconventional superconductivity in twisted bilayer WSe2: single band t-J-U model
<p>Dataset of results related with the theoretical analysis of unconventional superconducting state within the t-J-U model as applied to the description of the twisted bilayer WSe2. The code in c++ which was used to produce the data is also provided. This data set is a result of research which was founded by National Science Centre, Poland (NCN) according to decision 2021/42/E/ST3/00128. </p>
Potential Lu-N-H systems supporting high-temperature superconductivity
<p>This repository contains</p> <ul> <li> <p>A complete list of the 214 metallic phases regardless of the dynamical stability (output-including-XRD-regardless-stability-240meV.xlsx)</p> </li> <li> <p>Database of all the structures in VASP format whose enthalpy distance to the convex hull is less or equal to 0.24 eV/atom predicted from high-throughput structure screening</p> </li> <li> <p>Structures (in Quantum Espresso input format) and dynamical matrix files for the electron-phonon coupling calculations for cubic Lu4H11N, Im-3m LuH6, and Pm-3m LuH10. Note that, if you want to employ Quantum Espresso versions > v 7.1, you have to change the the Hubbard U parameters because Quantum Espresso has changed the flags in the input file since version 7.1 for Hubbard U calculations. See <a href="https://www.quantum-espresso.org/Doc/user_guide_PDF/Hubbard_input.pdf">https://www.quantum-espresso.org/Doc/user_guide_PDF/Hubbard_input.pdf</a></p> </li> </ul> <p>The request on the other data that may be not available here can be addressed to Yue-Wen Fang: <a href="mailto:fyuewen@gmail.com">fyuewen@gmail.com</a></p> <p> </p>
Data for: Superconductivity in twisted double bilayer graphene stabilized by WSe₂
<p>Identifying the essential components of superconductivity in graphene-based systems remains a critical problem in 2D materials research, connecting this field to the mysteries that underpin investigations of unconventional superconductivity throughout condensed-matter physics. Superconductivity has been previously observed in magic-angle twisted stacks of monolayer graphene but conspicuously not in twisted stacks of bilayer graphene, although both systems host topological flat bands and symmetry-broken states. Here, we report the discovery of superconductivity in twisted double bilayer graphene (TDBG) in proximity to WSe<sub>2</sub>. Samples with twist angles 1.24 and 1.37 degrees superconduct in small pockets of the gate-tuned phase diagram within the valence and conduction band, respectively. Superconductivity emerges from unpolarized phases near van Hove singularities and next to regions with broken isospin symmetry, showing the correlation between a high density of states and the emergence of superconductivity in TDBG while revealing a possible role for isospin fluctuations in the pairing.</p>
Quantized Thermal Hall Conductance and the Topological Phase Diagram of a Superconducting Bismuth Bilayer
<p>Data for the topological phase diagrams and thermal Hall effect for the paper "Quantized Thermal Hall Conductance and the Topological Phase Diagram of a Superconducting Bismuth Bilayer". The thermal Hall conductance data is normalised as in figure 4 of the paper.</p> <p>Parameters in the Chern number file names are {t,Delta,Alpha, tp}. For the thermal conductance data as. function of temperature the Chern number is given. All over information can be found in the paper.</p> <p><a href="https://doi.org/10.48550/arXiv.2308.01021">arXiv:2308.01021</a></p> <p> </p>
Accompanying data to the paper: "No superconductivity in Pb9Cu1(PO4)6O found in orbital and spin fluctuation exchange calculations"
<p>Accompanying data to the paper:</p><ul><li>Title: No superconductivity in Pb9Cu1(PO4)6O found in orbital and spin fluctuation exchange calculations</li><li>Authors: Niklas Witt, Liang Si, Jan M. Tomczak, Karsten Held, Tim O. Wehling</li><li>Currently under submission at: <a href="https://scipost.org/submissions/scipost_202309_00006v1/">SciPost Physics</a></li><li>Preprint identifier: <a href=" https://doi.org/10.48550/arXiv.2308.07261">arXiv:2308.07261</a></li></ul><p>The README.txt contains a short description of the files in each directory. Generally, this deposit contains the data from RPA and FLEX calculations of a 2-band model of Cu e_g orbitals on a triangular lattice in Pb_9Cu_1(PO_4)_6O as used to create Fig. 2 and Fig. 3 of the paper referenced above.</p><p>The corresponding 2-band model (Wannierization based on DFT calculations) can be found in a dedicated <a href="https://dx.doi.org/10.17172/NOMAD/2023.10.12-1">NOMAD repository</a>.</p>
Isospin magnetism and spin-polarized superconductivity in Bernal bilayer graphene
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Supporting data from: Transport phase diagram and anomalous metallicity in superconducting infinite-layer nickelates
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Data for: Superconductivity in twisted double bilayer graphene stabilized by WSe₂
Open the record for dataset details and reuse information.
Hartree-Fock on a superconducting qubit quantum computer
<p>The simulation of fermionic systems is among the most anticipated applications of quantum computing. Here, we performed several quantum simulations of chemistry with up to one dozen qubits, including modeling the isomerization mechanism of diazene. We also demonstrated error-mitigation strategies based on N-representability which dramatically improve the effective fidelity of our experiments. Our parameterized ansatz circuits realized the Givens rotation approach to non-interacting fermion evolution, which we variationally optimized to prepare the Hartree-Fock wavefunction. This ubiquitous algorithmic primitive is classically tractable to simulate, yet still generates highly entangled states over the computational basis, which allowed us to assess the performance of our hardware and establish a foundation for scaling up correlated quantum chemistry simulations.</p>
Supplementary information for 'Structural and chemical properties of superconducting Co-doped BaFe2As2 thin films grown on CaF2'
<p>This repository contains supplementary information for the journal article '<a href="https://iopscience.iop.org/article/10.1088/1361-6668/abcecf">Structural and chemical properties of superconducting Co‑doped BaFe<sub>2</sub>As<sub>2</sub> thin films grown on CaF<sub>2</sub></a>'.</p> <p>The Jupyter notebooks (.ipynb) demonstrate data treatment for Fig. 4b (folder "HyperSpy EDXS Analysis") and Fig. 10a (folder "Atomap"). The notebooks can be run with the provided datasets. HTML files are also provided for quick inspection of the used procedures in a web browser. Supplementary video files (.mp4) show electron-beam-induced radiation damage at the BaFe<sub>2</sub>As<sub>2</sub>-CaF<sub>2</sub> interface.</p> <p>Please visit the websites of the <a href="https://hyperspy.org/">HyperSpy</a> and <a href="https://atomap.org/">Atomap</a> projects for more information.</p> <p>If there are any questions or bugs, please contact me under lukas.gruenewald_at_kit.edu.</p> <p> </p> <p> </p>
Quantum supremacy using a programmable superconducting processor
<p>The tantalizing promise of quantum computers is that certain computational tasks might be executed exponentially faster on a quantum processor than on a classical processor. A fundamental challenge is to build a high-fidelity processor capable of running quantum algorithms in an exponentially large computational space. Here, we report using a processor with programmable superconducting qubits to create quantum states on 53 qubits, corresponding to a computational state-space of dimension 2^53 ∼ 10^16. Measurements from repeated experiments sample the corresponding probability distribution, which we verify using classical simulations. While our processor takes about 200 seconds to sample one instance of a quantum circuit 1 million times, a state-of-the-art supercomputer would require approximately 10,000 years to perform the equivalent task. This dramatic speedup relative to all known classical algorithms provides an experimental realization of quantum supremacy on a computational task and heralds the advent of a much-anticipated computing paradigm.</p>
Data for "Parity-preserving and magnetic field-resilient superconductivity in InSb nanowires with Sn shells"
<p>Zip files:<br> Paper Figures.zip:<br> This zip file contains all datasets necessary for plotting the paper figures.<br> MTX datasets are named the same as corresponding figures.<br> DAT datasets (raw data) with a figure - filename map (Figure-rawdata map.xlsx).<br> Jupyter notebooks for interactive graphing.</p> <p> Data Summaries.zip:<br> Plotted extended data beyond paper figures, in ppt and measurement logs (laboratory notebooks)</p> <p> TEM.zip:<br> TEM results.</p> <p> Full Original Raw Data.zip:<br> Full Original Raw Data for each cooldown. See "Data Summaries.zip" for device information. See "Paper Figures.zip" for visualization.</p> <p>Data formats:<br> MTX:<br> A simple 2D/3D matrix format developed for Spyview (https://nsweb.tn.tudelft.nl/~gsteele/spyview/).</p> <p> DAT:<br> Original spreadsheet data.</p> <p> SET:<br> Instrument settings.</p> <p> PY:<br> Measurement scripts.<br> </p>
Solar Electric Motor on Superconducting Bearings in Liquid Nitrogen - Vertical Configuration - 190 rpm
<p>A solar electric motor, immersed in liquid nitrogen, and levitated on superconducting bearings, has been designed and tested at the GREEN Laboratory. This video shows the permanent regime that represents a speed around 190 rpm, with a configuration of superconducting bearings called "vertical configuration" and a Plexiglas cylinder around the cubic rotor in order to reduce the frictions in the liquid. It's the same rotor than in [10.5281/zenodo.154095] but the Plexiglas cover has been added, which leads to an increase of the speed from 75 rpm to 190 rpm.</p>
Solar Electric Motor on Superconducting Bearings in Liquid Nitrogen with Propeller - Vertical Configuration - 75 rpm
<p>A solar electric motor, immersed in liquid nitrogen, and levitated on superconducting bearings, has been designed and tested at the GREEN Laboratory. This video shows the permanent regime that represents a speed around 75 rpm, with a configuration of superconducting bearings called "vertical configuration" and a propeller fixed on the shaft.</p>
Solar Electric Motor on Superconducting Bearings - Vertical Configuration - 900 rpm
<p>A solar electric motor that levitates on superconducting bearings has been designed and tested at the GREEN Laboratory. This video shows the start-up of the motor and the permanent regime that represents a speed around 900 rpm, with a configuration of superconducting bearings called "vertical configuration".</p>
Solar Electric Motor on Superconducting Bearings - Vertical Configuration - 1350 rpm
<p>A solar electric motor that levitates on superconducting bearings has been designed and tested at the GREEN Laboratory. This video shows the start-up of the motor and the permanent regime that represents a speed around 1350 rpm, with a configuration of superconducting bearings called "vertical configuration". The difference from the video [10.5281/zenodo.154013] is that, the permanent magnet that acts as inductor has been placed in the optimal position.</p>
Solar Electric Motor on Superconducting Bearings - Horizontal Configuration - 700 rpm
<p>A solar electric motor that levitates on superconducting bearings has been designed and tested at the GREEN Laboratory. This video shows the start-up of the motor and the permanent regime that represents a speed around 700 rpm, with a configuration of superconducting bearings called "horizontal configuration".</p>
Data for "Annealing Reduces Si3N4 Microwave-Frequency Dielectric Loss in Superconducting Resonators"
<p>This directory contains the datasets and code for processing and generating the figures in the research article "Annealing Reduces Si3N4 Microwave-Frequency Dielectric Loss in Superconducting Resonators."</p> <p>This work was supported by funding from ARO Grant W911NF2310376, NSF Grant No. PHY-2317149, NSF QLCI Award OMA - 2016244, the Office of the Secretary of Defense via the Vannevar Bush Faculty Fellowship, award No. N00014-20-1-2833, and the Baur-SPIE Endowed Chair at JILA.</p>
ScienceDex guides
Understand access before you commit
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.