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21 results for “monopolization”
Topological Data Analysis of Monopoles in U(1) Lattice Gauge Theory — Data Release
<div>This release contains data used to prepare the publication <a href="https://arxiv.org/abs/2403.07739">X. Crean, J. Giansiracusa and B. Lucini, Topological Data Analysis of Monopoles in U(1) Lattice Gauge Theory (2024)</a>. There exists an <a href="https://doi.org/10.5281/zenodo.10806185">accompanying software release</a> that explains in detail how to extract and use the compressed data files on a Linux distribution (or compatible environment).</div>
Dirac's magnetic monopole (figure).
<p>A schematic representation of Dirac’s magnetic monopole. The monopole is imagined to be the end point of a semi-infinitely long, infinitesimally thin solenoid known as a "Dirac string", here shown from the side (red lines). The magnetic field lines (black arrows) are shown emanating from the point at the end of the string (imagine the red lines are infinitely close together). If such Dirac monopoles exist, it is the requirement that the string is undetectable that means electric charge must be quantised. Image credit: The Institute for Research in Schools 2016.</p> <p>CERN@school DRN: CAS-PUB-MDL-000007-v1.0</p>
Auralization of virtual microphone array sensors considering coherence loss by atmospheric turbulence for two moving monopole sources
Open the record for dataset details and reuse information.
A magnetic dipole and a magnetic monopole (figure).
<p>A magnetic dipole with North and South poles (left); a magnetic monopole, North pole only (right). Image credit: Institute for Research in Schools 2016.</p> <p>CERN@school DRN: CAS-PUB-MDL-000008-v1.0</p>
Dataset from 'Composite cores of monopoles and Alice rings in spin-2 Bose-Einstein condensates'
<p>Dataset associated with the publication 'Composite cores of monopoles and Alice rings in spin-2 Bose-Einstein condensates ' in Physical Review Research. <br>Source data for Figures 2-5 in the manuscript.</p>
Control of emergent magnetic monopole currents in artificial spin ice
<p>Open data for "Control of emergent magnetic monopole currents in artificial spin ice ", Phys. Rev. B, 102, 144413, 2020</p>
Data from: Social control of reproduction and breeding monopolization in the eusocial snapping shrimp Synalpheus elizabethae
Understanding why individuals within altruistic societies forego reproduction to raise others' offspring has fascinated scientists since Darwin. Although worker polymorphism is thought to have evolved only in sterile workers, worker subcastes appear to be common among social invertebrates and vertebrates. We asked whether sterility accompanies eusociality and morphological differentiation in snapping shrimps (Synalpheus) - the only known marine eusocial group. We show that workers in S. elizabethae are reproductively totipotent, and that female — but not male — gonadal development and mating are mediated by the presence of a queen, apparently without physical aggression. In queenless experimental colonies, a single immature female worker typically became ovigerous, and no female workers matured in colonies with a resident queen. Thus, eusocial shrimp workers retain reproductive totipotency despite signs of morphological specialization. The failure of most female workers to mature is instead facultative and mediated by the presence of the queen, ensuring her reproductive monopoly.
Bluetooth Low Energy Separate Channel Fingerprinting dataset with Frequency-Scanned Antennas and Monopole
<p><span>This dataset contains Bluetooth Low Energy Separate Channel (SC BLE) Fingerprinting (FP) data recorded in an indoor facility. The dataset includes Received Signal Strength Information (RSSI) data collected from two independent location systems: one created with four BLE beacons connected to four traditional monopole antennas, and the other four beacons connected to two dual-port Frequency-Scanned Leaky Wave Antennas (FS LWA). Both systems are installed covering the same 7m x 5m area located in a basement zone. </span></p> <p><span>The dataset includes a reference radiomap file for each point equidistant 50cm to generate Fingerprinting techniques. The calibrated radiomap files are included in the Calibration_21112023 folder. In the name of each file, the {x, y} position where the data were recorded is included, with a total of 130 reference points. The data labelled as P1 and P2 are the RSSI recorded from beacons connected to FS LWA1, while P3 and P4 data corresponds to RSSI obtained from beacons of FS LWA2. Finally, P5, P6, P7 and P8 data sets belong to beacons connected to individual monopole antennas. Each calibration file contains 100 samples of RSSI received from the corresponding beacons at each one of the 130 reference points forming the calibration grid. </span></p> <p><span>The dataset also includes test samples for different days. These days are labelled as day 1, 8, 15, 22, 29, 51, 86 and 94 after the calibration day 0. This way, the variation of the different SC FP BLE antenna systems’ performance over time, can be studied. This classification of the data as a function of time, is categorized in the folders with the names Test_day_XX_date. As done with the reference calibration information for day 0, a file with the RSSI collected in each reference point (within a total of 130 grid points) can be found in each folder. The name of the file indicates the reference point where the data were collected. </span></p> <p><span>Different to the reference calibration data of day 0 (where 100 RSSI samples were considered for each one of the 130 calibrated {x, y} positions), the test data obtained in different subsequent days is composed by ten samples of RSSI for each one of the 130 test point. </span></p> <p><span>Moreover, to test the performance of the systems when some modifications occur where the calibration was performed, some data tests are collected adding several offices' furniture on the days 15, 22, 29, 51 and 94 after the calibration procedure performed at day 0. These data are stored in folders with the name Test_day_XX_with_furnitures_date. Similar to the previous test data, the name of the file includes 130 reference {x,y} points, with 10 RSSI samples each, and for the corresponding eight beacons (P1..P8), which are labelled for both monopole (P5, P6, P7 and P8) and FS LWA antenna systems (P1 and P2 for FS LWA1 and P3 and P4 for FS LWA2). <span> </span></span></p>
FIGURES 45‑56 in Female monopolization and paternity assurance in South American crickets (Orthoptera, Grylloidea): mating plugs, extra claspers and forced copulation
FIGURES 45‑56: Terminalia of several species of Aracamby. 45, 46, male of undescribed species "A", lateral and ventral respectively; 47, female of same, lateral; 48, 49, 50, male of undescribed species "B" dorsal, ventral and lateral respectively; 51, 52, 53, male of undescribed species "C", lateral, dorsal and ventral respectively; 54, 55, 56, male of Aracamby balneatorius Mello, 1992, dorsal, lateral and ventral respectively. Conventions: IB = inferior bristle of paraproct; SB = superior bristle of paraproct; PC = paraproctal clasper. Figures not to scale.
FIGURES 26‑38 in Female monopolization and paternity assurance in South American crickets (Orthoptera, Grylloidea): mating plugs, extra claspers and forced copulation
FIGURES 26‑38: Dorsal, ventral and lateral views, respectively, of the phallic complex and copulatory papilla of Izecksohniella aimore and Cacruzia bahiana. 26, 27, 28, phallic complex of I. aimore; 29, 30, 31, copulatory papilla of I. aimore; 32, 33, 34, phallic complex of C. bahiana; 35, dorso-distal portion of pseudepiphallus of another specimen showing completely swollen pseudepiphallic parameres (compare with Fig. 32); 36, 37, 38, copulatory papilla of C. bahiana. Conventions: PG = phallic gland; O = outer opening of phallic. Figures not to scale.
FIGURES 39‑44 in Female monopolization and paternity assurance in South American crickets (Orthoptera, Grylloidea): mating plugs, extra claspers and forced copulation
FIGURES 39‑44: 39, 40, spermatophore of Eidmanacris sp. in dorsal and ventral views, showing the specialized neck which functions as a mating plug; 41, detailed side view of spermatophore neck; 42, 43, 44, dorsal, lateral and ventral views of copulatory papilla of same species showing the mating plug inserted in its orifice. Figures not to scale.
FIGURES 14‑25 in Female monopolization and paternity assurance in South American crickets (Orthoptera, Grylloidea): mating plugs, extra claspers and forced copulation
FIGURES 14‑25: Dorsal, ventral and lateral views, respectively, of the phallic complex and copulatory papilla of Vanzoliniella sambophila and of a species belonging to an undescribed genus. 14, 15, 16, phallic complex of V. sambophila; 17, 18, 19, copulatory papilla of V. sambophila; 20, 21, 22, phallic complex of "undescribed genus and species"; 23, 24, 25, copulatory papilla of same. Conventions: PG = phallic gland; O = outer opening of phalic gland. Figures not to scale.
FIGURES 5‑13 in Female monopolization and paternity assurance in South American crickets (Orthoptera, Grylloidea): mating plugs, extra claspers and forced copulation
FIGURES 5‑13: Phallic complex and copulatory papilla of Aracamby sp (undescribed species). 5, 6, 7, phallic complex in dorsal, ventral and lateral views, respectively; 8, tubular pseudepiphallic arms in rear view; 9, idem in dorsal view; 10, 11, copulatory papilla of virgin female in dorsal and lateral views, respectively; 12, 13, copulatory papilla of a female seven days after copulation. Conventions: PsA = pseudepiphallic arm; PsP = pseudepiphallic paramere; PG = phallic gland; PM = "petrified" membrane; O = outer opening of pseudepiphallic gland; FM = flexible membrane". Figures not to scale.
FIGURES 1‑4 in Female monopolization and paternity assurance in South American crickets (Orthoptera, Grylloidea): mating plugs, extra claspers and forced copulation
FIGURES 1‑4: Phallic complex and female terminalia of Adenophallusia naiguatana. 1, 2, 3, phallic complex in dorsal, ventral and lateral views, respectively; 4, female distal abdominal sternites. Conventions: PG = phallic gland; Ct = cement; O = outer opening of phallic gland; SgP = dashed line indicating the position of the subgenital plate prior to its removal; OVIP = basal portion of ovipositor. Figures not to scale.
Data from: Social control of reproduction and breeding monopolization in the eusocial snapping shrimp Synalpheus elizabethae
Open the record for dataset details and reuse information.
Data from: Correlated paternity measures mate monopolization and scales with the magnitude of sexual selection
Indirect measures of sexual selection have been criticized because they can overestimate the magnitude of selection. In particular, they do not account for the degree to which mating opportunities can be monopolized by individuals of the sex that compete for mates. We introduce a measure of mate monopolization (m) based on the magnitude of correlated paternity and evaluate its ability to track changes in the magnitude of sexual selection. Simulation models were used to compare how well m tracked changes in the selection differential (s) for a trait regulating mating success. We further evaluated the association between m and s using ten replicate mating arrays of Sagittaria latifolia in which plants with contrasting alleles at microsatellite loci competed for siring opportunities. The computer models and mating arrays both demonstrated a positive linear association between m and s, supporting the utility of m as an index of sexual selection. Commonly used measures of sexual selection are not easily applied to organisms, such as the flowering plants, for which mating events are difficult to observe. The measure of mate monopolization introduced here could prove to be a useful addition to studies of sexual selection in these organisms.
Data from: Correlated paternity measures mate monopolization and scales with the magnitude of sexual selection
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Discovery of Dynamical Heterogeneity in a Supercooled Magnetic Monopole Fluid
<p>.mat binary files of Noise and .csv Susceptibilty Measurements of DTO.</p>
PSP FIELDS Digital Fields Board (DFB) DC-coupled Single Ended Voltage Waveform, Monopole Mode, Level 2 (L2), PT0.027306S Data
PSP FIELDS Digital Fields Board, DFB, Single Ended Voltage data:The DFB is the low frequency, less than 75 kHz, component of the FIELDS experiment on the Parker Solar Probe spacecraft, see reference [1] below. For a full description of the FIELDS experiment, see reference [2]. For a description of the DFB, see reference [3].The DFB continuous waveform data consist of time series data from various FIELDS sensors. These data have been filtered by both analog and digital filters [3].The Level 2 data products contained in this data file have been calibrated for:* 1) DFB in-band gain* 2) DFB analog filter gain and phase response* 3) DFB digital filter phase response* 4) The search coil preamplifier gain and phase response, when applicableCalibrations for the DFB digital filter gain response have not been implemented, but the required convolution kernel is provided in this file. It was decided not to apply the digital filter gain response calibration to these Level 2 data because the application of the calibrations can introduce non-physical power at high frequencies when the non-corrected signal is dominated by noise. This effect should be examined carefully when determining spectral slopes and features at the highest frequencies. Calibrations for the FIELDS voltage sensor preamplifiers have not been implemented as the preamplifier response is flat and equal to one throughout the DFB frequency range. Corrections for plasma sheath impedance gain and antenna effective length have not been applied to the voltage sensor data. These corrections will be applied in the Level 3 DFB data products. Therefore, all voltage sensor quantities when present in these Level 2 data products are expressed by using units of Volts. Likewise, all magnetic field quantities when present in these Level 2 data products are expressed by using units of nanoTelsas.The Level 2 data products contained in this data file are in spacecraft coordinates (e.g. x,y,z) or in sensor coordinates (e.g. dV12, dV34 for voltage measurements and [u,v,w] for the searchcoil magnetometer.The time resolution of the DFB continuous waveform data can vary by multiples of 2^N. During encounter when PSP is within 0.25 AU of the Sun, the DFB continuous waveform data cadence is typically 256 samples/NYsecond [2].References:* 1) Fox, N.J., Velli, M.C., Bale, S.D. et al., Space Sci Rev (2016) 204:7. https://doi.org/10.1007/s1121401502116* 2) Bale, S.D., Goetz, K., Harvey, P.R. et al., Space Sci Rev (2016) 204:49. https://doi.org/10.1007/s1121401602445* 3) Malaspina, D.M., Ergun, R.E., Bolton, M. et al., JGR Space Physics (2016), 121, 5088-5096. https://doi.org/10.1002/2016JA022344
PSP FIELDS Digital Fields Board (DFB) AC-coupled V5 Antenna Voltage, Monopole Mode, Auto Spectra, High Gain, Sensor coordinates, Level 2 (L2), 0.873813 s Data
PSP FIELDS Digital Fields Board, DFB, V5 data:The DFB is the low frequency, less than 75 kHz, component of the FIELDS experiment on the Parker Solar Probe spacecraft, see reference [1] below. For a full description of the FIELDS experiment, see reference [2]. For a description of the DFB, see reference [3].DFB AC spectra data consist of power spectral densities as a function of frequency and time. These spectra are averaged over both frequency and time as described in [3]. The spectra have pseudo-logarithmically spaced frequency bins with the bin central frequencies reported in the metadata. The AC spectra are duty-cycled such that spectral averaging takes place over the first 1/8 of any given NYsecond when the data cadence is equal to one NYsecond. Less data are averaged by a factor of 2^N for data cadences that are faster than one NYsecond by 2^N. For cadences slower than one NYsecond, the first 1/8 of each NYsecond of data included are averaged together to construct the reported data.The Level 2 data products contained in this data file have been calibrated for:* 1) The Hanning window used in the spectral calculation* 2) DFB in-band gain* 3) DFB analog filter gain response* 4) DFB digital filter gain response* 5) The search coil preamplifier response, when applicable* 6) The bandwidth of each spectral binNote that compensation for the DFB digital filters will introduce a non-physical positively sloped power trend at high frequencies when the non-corrected signal is dominated by noise. This effect should be examined carefully when determining spectral slopes and features at the highest frequencies. Calibrations for the FIELDS preamplifiers have not been implemented as the preamplifier response is flat and equal to one through the DFB frequency range. Corrections for plasma sheath impedance gain and antenna effective length have not been applied to voltage sensor signals. These corrections will be applied in the Level 3 DFB data products. Therefore, all voltage sensor quantities when present in these Level 2 data products are expressed by using units of Volts squared per Hertz. Likewise, all magnetic field quantities when present in these Level 2 data product are expressed by using units of nanoTesla squared per Hertz.The Level 2 data products contained in this data file are expressed in sensor coordinates: e.g. dV12, dV34 for voltage measurements. For solar orbits 1 and 2, the search coil magnetometer spectral data are rotated into a non-intuitive coordinate system with components [d,e,f]. For solar orbits 3 and beyond, the magnetic field spectral data are in expressed in search coil magnetometer sensor coordinates with components [u,v,w].To rotate from [d,e,f] coordinates into [u,v,w] search coil sensor coordinates, use the following matrix, written in IDL notation, and the following equation: spectra_uvw_vector = R ## spectra_def_vector.R = [[ 0.46834856, -0.81336422 , 0.34509170] [ -0.66921924, -0.071546954, 0.73961249] [ -0.57688408, -0.57733845 , -0.57782790]]The time resolution of the DFB AC spectral data can vary by multiples of 2^N. During encounter when PSP is within 0.25 AU of the Sun, the DFB AC spectra data cadence is typically NYsecond NYsecond [2]. Timestamps correspond to the center time of each window.References:* 1) Fox, N.J., Velli, M.C., Bale, S.D. et al., Space Sci Rev (2016) 204:7. https://doi.org/10.1007/s1121401502116* 2) Bale, S.D., Goetz, K., Harvey, P.R. et al., Space Sci Rev (2016) 204:49. https://doi.org/10.1007/s1121401602445* 3) Malaspina, D.M., Ergun, R.E., Bolton, M. et al., JGR Space Physics (2016), 121, 5088-5096. https://doi.org/10.1002/2016JA022344
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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