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32 results for “Kondo”
Dataset for visualizing the atomic-scale origin of metallic behavior in Kondo insulators
<p>This dataset contains the raw data files and analysis steps used to produce the figures in the manuscript "Visualizing the atomic-scale origin of metallic behavior in Kondo insulators" Science 379, 1214–1218 (2023)</p>
Numerical data for "Signatures of Kondo-Majorana interplay in ac response"
<p>Raw numerical data used to produce figures 2-8 in the article <em>Signatures of Kondo-Majorana interplay in ac response</em>, published as Phys. Rev. B <strong>109</strong>, 075432 (2024), DOI: 10.1103/PhysRevB.109.075432, and other data obtained within the same project.</p>
Dataset: Field-induced Bose-Einstein condensation and supersolid in the two-dimensional Kondo necklace
<p>The open Dataset for "Field-induced Bose-Einstein condensation and supersolid in the two-dimensional Kondo necklace". </p>
Figure 2. Foldilecanium multisetosus Kondo. A in Transfer of the myrmecophilous soft scale insect Neolecanium amazonensis Foldi to Foldilecanium gen. nov. (Hemiptera: Coccidae), with description of a new species from Colombia.
Figure 2. Foldilecanium multisetosus Kondo. A) Colony of various growth stages, with adult females in center of photo. Inset photo showing an adult female with flaky, glassy wax cover. B) Colony of older and heavily sclerotized adult females being tended by Azteca sp. ants. All photos taken after removal of ant cartons.
Figure 2 in First report of Delphastus quinculus Gordon and Diomus seminulus (Mulsant) (Coleoptera: Coccinellidae) feeding on eggs and first-instar nymphs of Crypticerya multicicatrices Kondo and Unruh (Hemiptera: Monophlebidae)
Figure 2. Delphastus quinculus Gordon (see arrow) Known hosts. Tetranychus sp. (Acari: Tetranych- feeding on eggs inside ovisac of Crypticerya multicicatrices idae) and Aleurodicus cocois (Curtis) (Hemiptera: Kondo and Unruh. Notice that the coccinellid has eaten Aleyrodidae) on banana and plantain; Lepidosapart of the wax of the ovisac in order to get access to the phes beckii (Newman) (Hemiptera: Diaspididae), eggs that are held inside it. Photo by R. López Bermúdez. Aphis spiraecola Patch and Toxoptera aurantii
Figure 2 in Report of new invasive scale insects (Hemiptera: Coccoidea), Crypticerya multicicatrices Kondo and Unruh (Monophlebidae) and Maconellicoccus hirsutus (Green) (Pseudococcidae), on the islands of San Andres and Providencia, Colombia, with an updated taxonomic key to iceryine scale insects of South America
Figure 2. Crypticerya multicicatrices Kondo and Unruh, adult female (modified from Kondo and Unruh (2009), with copyright permission from the journal Neotropical Entomology). A, Simple multilocular pores, with bilocular or trilocular center and 6–8 (very rarely 0) outer loculi. B, Short hair-like seta. C, Long hair-like seta. D, Various types of simple multilocular pores, each with star-shaped center and 4–6 outer loculi. E, Flagellate seta. F, Simple multilocular pores surrounding anal opening, each with bilocular or trilocular center and 8–10 elongate outer loculi. G, Simple multilocular pores surrounding vulva, with bilocular or trilocular center and each with 8–14 elongate outer loculi. H, Abdominal spiracle. I, Simple multilocular pores on ventromedial abdomen, with reniform center and 4–6 outer loculi. J, Simple multilocular pores, with bilocular or trilocular center and 8–10 outer loculi. K, Enlargement of setal base. L, Various types of simple multilocular pores, with triangular, cruciform or star-shaped center and 4–7 (very rarely 0) outer loculi. M, Various types of simple multilocular pores present on ventral abdomen, with triangular or cruciform center and 3–6 outer loculi.
Figure 1 in Report of new invasive scale insects (Hemiptera: Coccoidea), Crypticerya multicicatrices Kondo and Unruh (Monophlebidae) and Maconellicoccus hirsutus (Green) (Pseudococcidae), on the islands of San Andres and Providencia, Colombia, with an updated taxonomic key to iceryine scale insects of South America
Figure 1. Adult females (center) and nymphs (on each side) of Crypticerya multicicatrices on coconut leaf. Notice empty egg chorions on median slit (arrowed) on ovisac from where first-instar nymphs exit ovisac.
Figure 4 in Report of new invasive scale insects (Hemiptera: Coccoidea), Crypticerya multicicatrices Kondo and Unruh (Monophlebidae) and Maconellicoccus hirsutus (Green) (Pseudococcidae), on the islands of San Andres and Providencia, Colombia, with an updated taxonomic key to iceryine scale insects of South America
Figure 4. Natural enemies of C. multicicatrices. A. Encyrtid sp. 1. B. Encyrtid sp. 2. C. Left. Diomus? sp. Center and Right. Delphastus? sp. D. Delphastus? sp. on ovisac of C. multicicatrices preying upon eggs (see arrow). Photos A‒C by TK; D by R. L. Bermúdez.
Figure 3 in First report of Delphastus quinculus Gordon and Diomus seminulus (Mulsant) (Coleoptera: Coccinellidae) feeding on eggs and first-instar nymphs of Crypticerya multicicatrices Kondo and Unruh (Hemiptera: Monophlebidae)
Figure 3. Diomus seminulus (Mulsant). A–D: habitus; E: Habitus variation; F: male sipho; G–J: male tegmen; K: abdomen; L: female genitalia. Photos by G. González.
Figure 1. Delphastus quinculus Gordon. A–D in First report of Delphastus quinculus Gordon and Diomus seminulus (Mulsant) (Coleoptera: Coccinellidae) feeding on eggs and first-instar nymphs of Crypticerya multicicatrices Kondo and Unruh (Hemiptera: Monophlebidae)
Figure 1. Delphastus quinculus Gordon. A–D: habitus; E: abdomen (ventral view); F–G: male sipho; H–K: male tegmen; L: female coxites; M–N: female spermatheca. Photos by G. González.
Figure 3. Crypticerya multicicatrices. A in Report of new invasive scale insects (Hemiptera: Coccoidea), Crypticerya multicicatrices Kondo and Unruh (Monophlebidae) and Maconellicoccus hirsutus (Green) (Pseudococcidae), on the islands of San Andres and Providencia, Colombia, with an updated taxonomic key to iceryine scale insects of South America
Figure 3. Crypticerya multicicatrices. A. On Cajanus cajan. B. On Spondias purpurea. C. On Tectona grandis. D. On Citrus latifolia. E. On Delonix regia. F. On a palm. G. On Carica papaya. H. On Artocarpus altilis. Notice sooty mold on leaves. I. Dieback of Erythrina variegata street trees.
Figure 2. A in Rodolia cardinalis (Mulsant) (Coleoptera: Coccinellidae), a new predator of Crypticerya multicicatrices Kondo and Unruh (Hemiptera: Monophlebidae)
Figure 2. A. Larva of Rodolia cardinalis on ovisac of Crypticeria multicicatrices. B. Larva of R. cardinalis feeding on C. multicicatrices nymph. C. Adult of R. cardinalis next to a third-instar nymph of C. multicicatrices. D. Adult R. cardinalis feeding on nymph of C. multicicatrices.
Figure 1. A. Anovia punica. Bluish-dark specimen from Cali. B in Rodolia cardinalis (Mulsant) (Coleoptera: Coccinellidae), a new predator of Crypticerya multicicatrices Kondo and Unruh (Hemiptera: Monophlebidae)
Figure 1. A. Anovia punica. Bluish-dark specimen from Cali. B. Rodolia cardinalis, with typical patterns. Photos by C. Pinchao.
Resistivity Saturation in Kondo Insulators
<p> </p> <p>Data and codes associated with <br> <strong> Resistivity saturation in Kondo insulators</strong><br> M. Pickem, E. Maggio, J. M. Tomczak <br> <a href="https://doi.org/10.1038/s42005-021-00723-z">Communications Physics 4, 226 (2021)</a><br> (preprint arXiv:2008.05846)</p> <p>When using the provided data, please cite the Zenodo DOI 10.5281/zenodo.4355597 as well as the article.</p> <p>Available are</p> <ul> <li>density functional theory + dynamical mean-field theory (DFT+DMFT) data for Ce<sub>3</sub>Bi<sub>4</sub>Pt<sub>3</sub>.<br> Data is generated using <ul> <li>WIEN2k 18.2 (http://susi.theochem.tuwien.ac.at/)</li> <li>DFT + embedded DMFT Functional (http://hauleweb.rutgers.edu/tutorials/)</li> </ul> </li> <li>electrical conductivity data. <br> Data is obtained using <ul> <li>LinReTraCe: the Linear Response Transport Centre.<br> This code will be released at http://github.com/linretrace/linretrace in 2021.</li> </ul> </li> <li>python tool for analysis of experimental measurements using the new formalism.<br> The python tool is available and described at https://github.com/linretrace/quantum_conductivity_fit</li> </ul> <p> </p>
Figures 2–5 in Lobate Lac Scale (Paratachardina pseudolobata Kondo and Gullan) Invades from Oahu into Neighbor Islands: Statewide Survey in Hawaii
Figures 2–5. Lobate lac scale (LLS) sites surveyed. (2) Hawaii. LLS in Hilo was detected by HDOA staff (personal communication, 2017). (3) Maui. (4) Kauai. (5a) Molokai. (5b) Lanai. Color code for survey sites in Figures 2–5: Blue: no LLS detected. Yellow: LLS detected, but no longer detected in later surveys. Red: LLS detected and established.
Figure 1 in Lobate Lac Scale (Paratachardina pseudolobata Kondo and Gullan) Invades from Oahu into Neighbor Islands: Statewide Survey in Hawaii
Figure 1. Mature female lobate lac scale (x-shaped, deep maroon color) and crawlers (red color) (1a); sooty mold formation on twigs and leaves (1b).
Data for "Modulated Kondo screening along magnetic mirror twin boundaries in monolayer MoS2"
<p>Dataset for Modulated Kondo screening along magnetic mirror twin boundaries in monolayer MoS2.</p> <p>STM and STS were carried out at a base operating temperature of T0 = 0.35K after in-situ transfer from the preparation chamber. STS was performed with the lock-in technique, at modulation frequency 907.0Hz. STM images are taken in constant current mode. Some of the data in Fig. 3d was taken using a second STM with an operating temperature of T = 6.5K.</p> <p>NRG simulations were performed with experimental broadening due to temperature and lock-in modulation taken into account.</p>
Dataset package for the manuscript "A microscopic Kondo lattice model for the heavy fermion antiferromagnet CeIn3"
<p><strong>Figure 2:</strong> Derivation of the Kondo-Heisenberg model.</p><p><strong>Description:</strong></p><p>The electronic structure of CeIn3 on the reciprocal-space path RGXMG (G=Gamma) is stored in "fbands.dat" and in "allotherbands.dat". The file "fbands.dat" has 15 columns, where the first column provides the wave-vector projection onto the path RGXMG and columns 2-15 the energies of the 14 <i>f</i>-bands. In the file "allotherbands.dat" the first column corresponds to the wave-vector values and the other columns contain all remaining bands.</p><p>The wave-vector dependent interactions are stored in "InteractionSpectrum.dat". Here, the first column provides the wave-vector projection onto the path RGXMG, the second column the RKKY-interaction, the third column the superexchange, the fourth column the particle-particle interaction and the last column the sum of all interactions.</p><p> </p><p><strong>Figure 3:</strong> Calculated and measured magnon dispersion and dynamic magnetic susceptibility in the antiferromagnetic state of CeIn3.</p><p><strong>Description:</strong></p><p>The imaginary part of the dynamic magnetic susceptibility, as inferred from high-energy inelastic neutron scattering intensity, on the reciprocal space-path RG is stored in the file "HighEnergy_Int_RG.dat" in terms of a 59 x 68 matrix. Here, the first index enumerates the wavevector-projection onto the path RG and the second index the energy transfer. The respective wave-vector and energy values are stored in "HighEnergy_Q_RG.dat" and "HighEnergy_E_RG.dat", respectively. Similarly, inelastic neutron scattering intensity, wave-vector values, and energy-transfer values for the paths GX, XM, and MG are stored in the files "HighEnergy_Int_GX.dat", "HighEnergy_Q_GX.dat", "HighEnergy_E_GX.dat", "HighEnergy_Int_XM.dat", "HighEnergy_Q_XM.dat", "HighEnergy_E_XM.dat", "HighEnergy_Int_MG.dat", "HighEnergy_Q_MG.dat", and "HighEnergy_E_MG.dat".</p><p>The imaginary part of the dynamic magnetic susceptibility on the path RGXMG, as inferred from theory, is stored in the files "Theory_Q_RGXMG.dat", "Theory_E_RGXMG.dat", and "Theory_Int_RGXMG.dat", where the first, second, and third file provide the wave-vector projections, the energy transfers, and the values of the dynamic magnetic susceptibility, respectively.</p><p>The dispersion on the path RGXMG inferred from MOPAM calculations is stored in "MOPAM-Dispersion_RGXMG.dat" and the dispersion of the J1-model in "J1Model-Dispersion_RGXMG.dat". In both files, the first column corresponds to the wave-vector projection onto the path RGXMG and the second column to the energy.</p><p>Cuts at the constant wave-vectors Q1 and Q2, as inferred from experiments, are stored in "Experiment_ConstQ1.dat" and "Experiment_ConstQ2.dat", respectively. The cuts from theory are stored in "Theory_ConstQ1.dat" and "Theory_ConstQ2.dat".</p><p>The integral over the dynamic magnetic susceptibility on the path RGXMG inferred from theory is stored in "Theory_IntegralOverchi.dat", where the first and second columns provide the wave-vector projection and the integrated values, respectively. The values inferred from experiment are stored in "Experiment_IntegralOverchi.dat". The first and second columns provide the wave-vector projection and the integrated values, respectively. The last column provides the error bars.</p><p> </p><p><strong>Figure 4: </strong>Signature of long-range RKKY interactions in CeIn3,</p><p><strong>Description:</strong></p><p>High-resolution inelastic neutron scattering data on the path RG are presented in "HighResolution_Int_RG.dat". The first and second index enumerates the wave-vector projection onto the path RG and energy transfer, respectively. The respective values are stored in "HighResolution_Q_RG.dat" and "HighResolution_E_RG.dat".</p><p>Similarly, data for the paths RX and RM are stored in the files "HighResolution_Int_RX.dat", "HighResolution_Q_RX.dat", "HighResolution_E_RX.dat", "HighResolution_Int_RM.dat", "HighResolution_Q_RM.dat", and "HighResolution_E_RM.dat".</p><p>The dispersion inferred from MOPAM calculations on the paths RG, RX, and RM, is stored in "MOPAM-Dispersion_RG.dat", "MOPAM-Dispersion_RX.dat", and "MOPAM-Dispersion_RM.dat", respectively. Similarly, the dispersions of the J1 model on the paths RG, RX, and RM, are stored in "J1Model-Dispersion_RG.dat", "J1Model-Dispersion_RX.dat", and "J1Model-Dispersion_RM.dat", respectively.</p><p>Cuts at constant energies 0.6 meV and 1.4 meV along RG are stored in "HighResolution_RG_ConstEcut_0p6meV.dat" and "HighResolution_RG_ConstEcut_1p4meV.dat", respectively. Similarly, cuts along RX are stored in "HighResolution_RX_ConstEcut_0p6meV.dat" "and HighResolution_RX_ConstEcut_1p4meV.dat" and along RM in "HighResolution_RM_ConstEcut_0p4meV.dat" "and HighResolution_RM_ConstEcut_1p4meV.dat".</p><p> </p>
Nonequilibrium steady-state thermoelectrics in Kondo-correlated quantum dots: Data
<p>Data sets generated using NRG-tDMRG for the manuscript titled "Nonequilibrium steady-state thermoelectric in the Kondo-correlated quantum dots".</p>
Tuning spinaron and Kondo resonances via quantum confinement
<p>This repository contains raw data files for STM topography and tunneling spectra on Co and H2Pc in quantum corrals on Ag(111). Analysis scripts used to extract Fano resonance parameters can be found at https://github.com/abekipnis/Kondo-Aalto.</p><p>Abstract of the paper: Controlling zero bias anomalies in magnetic atoms provides a promising strategy to engineer tunable quantum many-body excitations. Here we show how two different quantum impurities featuring spinaron and Kondo excitations can be controlled via quantum confinement engineering by using circular quantum corrals on a Ag(111) surface. In corrals built from both Ag and Co adatoms, the width of the zero bias anomaly in the central Co adatom oscillates as a function of corral radius with a period of half of the Ag(111) surface state wavelength. Parameters extracted for Co/Ag(111) show only small differences in extracted spinaron zero-bias anomaly between corral walls built from Ag or Co adatoms. In quantum corrals occupied with metal-free phthalocyanine, a paradigmatic S=1/2 Kondo system, we observe notable changes in the zero bias anomaly lineshape as a function of corral radius. Our results offer insight into many-body Kondo and spinaron resonances where the electronic density is controlled by confinement engineering.</p>
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