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29 results for “mesoscopic”
Experimental data of "Mesoscopic Klein-Schwinger effect in graphene"
<p>Current-to-voltage characteristics of the devices studied in the main and supplementary text of the article "Mesoscopic Klein-Schwinger effect in graphene" by A. Schmitt et al. Dimensions of devices are provided in the article</p>
Realistic modeling of mesoscopic ephaptic coupling in the human brain
<p>Comsol models with E-field distributions generated by dipole sources in a realistic head model and a stylized 'toy' model representing a sulcus.</p>
KM1709_Mesoscope_B12_Incubations_HILICMode
<p>KM1709 Mesoscope B12 Incubations HILIC (Positive and Negative). These are targeted metabolite peak areas, representative of abundance values taken.The samples were taken from each of the two dipoles of a mesoscale eddy near Station Aloha and incubated for four days. Incubation #1 was the cyclonic dipole, while Incubation #2 was the anticyclonic dipole. Six conditions were created for each of the samples. T0: In situ condition at the start of the experiment, aka time 0. Water that was filtered, not incubated, and frozen. Control (Tfinal): 100% in situ water from 25 m, incubated and then filtered. Deep Sea Water mix: 10% Deep Sea Water (DSW) taken from 700 m, filtered and evenly mixed with 90% in situ water from 25 m. This mixture was then incubated and filtered. +B12: 25 m water spiked with 800 ul of B12 for a final concentration of ~240 pM, incubated, filtered. - B12: 25 m water spiked with trace metals (iron, Si, PO4, NO3) and no B12, incubated, filtered. +DMB, -B12: 25 m water with the same conditions of the -B12 state, but with an added spike of 5,6-dimethylbenzimidazole (DMB). +DMB: 25 m water spiked with 800 ul of DMB for a final concentration of 240 pm, incubated, filtered. Samples from KM1709 (MESO-SCOPE 2017) were collected and produced by the Ingalls Lab as part of the Simons Gradients project with support from the Simons Foundation.</p>
Transport effects of twist-angle disorder in mesoscopic twisted bilayer graphene
<p>Magic-angle twisted bilayer graphene is a tunable material with remarkably flat energy bands near the Fermi level, leading to fascinating transport properties and correlated states at low temperatures. However, grown pristine samples of this material tend to break up into landscapes of twist-angle domains, strongly influencing the physical properties of each individual sample. This poses a significant problem to the interpretation and comparison between measurements obtained from different samples. In this work, we study numerically the effects of twist-angle disorder on quantum electron transport in mesoscopic samples of magic-angle twisted bilayer graphene. We find a significant property of twist-angle disorder that distinguishes it from onsite-energy disorder: it leads to an asymmetric broadening of the energy-resolved conductance. The magnitude of the twist-angle variation has a strong effect on conductance, while the number of twist-angle domains is of much lesser significance. We further establish a relationship between the asymmetric broadening and the asymmetric density of states of twisted bilayer graphene at angles smaller than the first magic angle. Our results show that the qualitative differences between the types of disorder in the energy-resolved conductance of twisted bilayer graphene samples can be used to characterize them at temperatures above the critical temperatures of the correlated phases, enabling systematic experimental studies of the effects of the different types of disorders also on the other properties such as the competition of the different types of correlated states appearing at lower temperatures.</p> <p>The provided repository contains all data and scripts to reproduce the figures of the manuscript. </p>
Transport signatures of Van Hove singularities in mesoscopic twisted bilayer graphene
<p>Magic-angle twisted bilayer graphene exhibits quasi-flat low-energy bands with Van Hove singularities close to the Fermi level. These singularities play an important role in the exotic phenomena observed in this material, such as superconductivity and magnetism, by amplifying electronic correlation effects. In this work, we study the correspondence of four-terminal conductance and the Fermi surface topology as a function of the twist angle, pressure, and energy in mesoscopic, ballistic samples of small-angle twisted bilayer graphene. We establish a correspondence between features in the wide-junction conductance and the presence of van Hove singularities in the density of states. Moreover, we identify additional transport features, such as a large, pressure-tunable minimal conductance, conductance peaks coinciding with non-singular band crossings, and unusually large conductance oscillations as a function of the system size. Our results suggest that twisted bilayer graphene close the magic angle is a unique system featuring simultaneously large conductance due to the quasi-flat bands, strong quantum non-linearity due to the Van Hove singularities and high sensitivity to external parameters, which could be utilized in high-frequency device applications and sensitive detectors.</p> <p>The provided repository contains all data and scripts to reproduce the figures of the manuscript. In the new version of the repository we also provide scripts to create finite samples for conductance calculations and to create periodic samples for band structure calculations.</p>
APA_MesoSCOPE_KM1709
<p>Alkaline phosphatase activity of in situ samples from MesoSCOPE KM1709 North Pacific Subtropical Gyre cruise.</p>
Supplement for "Mesoscopic hydrodynamic model for spreading, sliding and coarsening compound drops"
<p>This repository contains the<strong> data sets</strong> and <strong>source code</strong> corresponding to the following publication</p> <p> </p> <p>Diekmann, J. and Thiele, U.<br>“Mesoscopic hydrodynamic model for spreading, sliding and coarsening compound drops”<br>Phys. Rev. Fluids <strong>10</strong>, 024002, 2025<br>DOI: <a href="https://doi.org/10.1103/PhysRevFluids.10.024002">https://doi.org/10.1103/PhysRevFluids.10.024002</a></p> <p> </p> <p>Please consider the README for more details.</p>
Data supplement for "Multiscale perspective on wetting on switchable substrates: mapping between microscopic and mesoscopic models"
<p>Data set and python code to recreate the figures of "Multiscale perspective on wetting on switchable substrates: mapping between microscopic and mesoscopic models". Additionally, it includes the oomph-lib Code to reproduce the data for the simulations in the mesoscopic thin-film model.</p>
First-order coherence of light emission from inhomogeneously broadened mesoscopic ensembles
<p>Data from all figures corresponding to the article from A. Delteil, V. Blondot, S. Buil, and J.-P. Hermier, "First-order coherence of light emission from inhomogeneously broadened mesoscopic ensembles", <a href="https://journals.aps.org/prb/abstract/10.1103/PhysRevB.106.115302">Phys. Rev. B. <strong>106</strong>, 115302 (2022)</a> – <a href="https://arxiv.org/abs/2209.01137">arXiv:2209.01137</a></p> <p> </p> <p>Data are in tab-separated table format, with a header indicating the variable and unit for each column.</p>
Data set related to the manuscript "Investigating the effect of particle size distribution and complex exchange dynamics on NMR spectra of ions diffusing in disordered porous carbons through a mesoscopic model"
<p>Graphical files in the agr format for all the figures in the manuscript entitled "Investigating the effect of particle size distribution and complex exchange dynamics on NMR spectra of ions diffusing in disordered porous carbons through a mesoscopic model". XYZ files giving the particles and bulk positions in the lattices are also provided.</p>
Data set related to the manuscript "On the development of an original mesoscopic model to predict the capacitive properties of carbon-carbon supercapacitors"
<p>Graphical files in the agr format for all the figures in the main text of the manuscript entitled "On the development of an original mesoscopic model to predict the capacitive properties of carbon-carbon supercapacitors" (<a href="https://doi.org/10.1016/j.electacta.2019.135022">10.1016/j.electacta.2019.135022</a>).</p>
Dataset (Part II) accompanying the paper "In the brain of the beholder: bi-stable motion reveals mesoscopic-scale feedback modulation in V1"
<p><strong>This is Part II of the dataset (from sub-06 to sub-09).</strong> Due to size constraints, the remaining subjects can be found in the following records: <em>Dataset (Part I) accompanying the paper 'In the Brain of the Beholder: Bi-Stable Motion Reveals Mesoscopic-Scale Feedback Modulation in V1'</em> (from sub-01 to sub-05) and <em>Dataset (Part III) accompanying the paper 'In the Brain of the Beholder: Bi-Stable Motion Reveals Mesoscopic-Scale Feedback Modulation in V1'</em> (sub-10)</p>
Dataset (Part III) accompanying the paper "In the brain of the beholder: bi-stable motion reveals mesoscopic-scale feedback modulation in V1"
<p><strong>This is Part III of the dataset (sub-10). </strong> Due to size constraints, the remaining subjects can be found in the following records: <em>Dataset (Part I) accompanying the paper 'In the Brain of the Beholder: Bi-Stable Motion Reveals Mesoscopic-Scale Feedback Modulation in V1'</em> (from sub-01 to sub-05) and <em>Dataset (Part II) accompanying the paper 'In the Brain of the Beholder: Bi-Stable Motion Reveals Mesoscopic-Scale Feedback Modulation in V1'</em> (from sub-06 to sub-09) </p>
Dataset (Part I) accompanying the paper "In the brain of the beholder: bi-stable motion reveals mesoscopic-scale feedback modulation in V1"
<p><strong>This is Part I of the dataset (from sub-01 to sub-05).</strong> Due to size constraints, the remaining subjects can be found in the following records: <em>Dataset (Part II) accompanying the paper 'In the Brain of the Beholder: Bi-Stable Motion Reveals Mesoscopic-Scale Feedback Modulation in V1'</em> (from sub-06 to sub-09) and <em>Dataset (Part III) accompanying the paper 'In the Brain of the Beholder: Bi-Stable Motion Reveals Mesoscopic-Scale Feedback Modulation in V1'</em> (sub-10)</p>
Repeta_IronLigandConcentrations_KM1709_MESOSCOPE
<p>Samples were collected on the 2017 MESO-SCOPE cruise (KM1709), which characterized an eddy dipole located to the north of Station ALOHA. These samples were collected along the cruise track transecting an eddy dipole to look at how organic speciation of iron changes as the chemical, biological, and physical characteristics change across the dipole. The seawater samples were collected from the trace metal clean (TMC) rosette, filtered through directly off the Niskin bottle into TMC polycarbonate bottles through an AcroPak 1500 Supor Membraine 0.8/0.2um filter in the trace metal van under positive pressure. Filtered seawater was then extracted onto activated solid phase extraction columns, which were frozen and shipped back to WHOI for analysis. At WHOI, the columns were thawed, eluted with methanol, concentrated, and then analyzed on the LC-ICP-MS. A 4-point calibtration curve of model iron ligands was used to calculate the concentration of individual iron ligands.</p>
Data set related to the manuscript "Mesoscopic simulations of the in situ NMR spectra of porous carbon based supercapacitors: Electronic structure and adsorbent reorganisation effects"
<p>Graphical files in the agr format for all the figures in the manuscript entitled "Mesoscopic simulations of the in situ NMR spectra of porous carbon based supercapacitors: Electronic structure and adsorbent reorganisation effects". Examples of input files for the lattice simulations are also provided.</p>
Data set related to the manuscript "Investigating particle size effects on NMR spectra of ions diffusing in porous carbons through a mesoscopic model"
<p>Graphical files in the agr format for all the figures in the manuscript entitled "Investigating particle size effects on NMR spectra of ions diffusing in porous carbons through a mesoscopic model". Examples of input files for the lattice simulations are also provided.</p>
Shape of AOT reverse micelles: the mesoscopic assembly is more than the sum of the parts
Open the record for dataset details and reuse information.
An Omni-Mesoscope for multiscale high-throughput quantitative phase imaging of cellular dynamics and high-content molecular characterization
Open the record for dataset details and reuse information.
Extr_chl_a_MesoSCOPE_KM1709
<p>Extracted chlorophyll a from in situ samples collected from MesoSCOPE cruise KM1709 in the North Pacific Subtropical Gyre.</p>
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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)
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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.