Search Results - "MEDICI, Luca"
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Selective Mott physics as a key to iron superconductors
Published in Physical review letters (02-05-2014)“…We show that electron- and hole-doped BaFe(2)As(2) are strongly influenced by a Mott insulator that would be realized for half-filled conduction bands…”
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Strong Correlations from Hund’s Coupling
Published in Annual review of condensed matter physics (01-04-2013)“…Strong electronic correlations are often associated with the proximity of a Mott-insulating state. In recent years however, it has become increasingly clear…”
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3
Hund's Induced Fermi-Liquid Instabilities and Enhanced Quasiparticle Interactions
Published in Physical review letters (21-04-2017)“…Hund's coupling is shown to generally favor, in a doped half-filled Mott insulator, an increase in the compressibility culminating in a Fermi-liquid…”
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4
Janus-faced influence of Hund's rule coupling in strongly correlated materials
Published in Physical review letters (12-12-2011)“…We show that in multiband metals the correlations are strongly affected by Hund's rule coupling, which depending on the filling promotes metallic, insulating…”
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5
Charge Disproportionation, Mixed Valence, and Janus Effect in Multiorbital Systems: A Tale of Two Insulators
Published in Physical review letters (10-05-2019)“…Multiorbital Hubbard models host strongly correlated "Hund's metals" even for interactions much stronger than the bandwidth. We characterize this…”
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Hund’s coupling and its key role in tuning multiorbital correlations
Published in Physical review. B, Condensed matter and materials physics (17-05-2011)Get full text
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7
Continuous-time solver for quantum impurity models
Published in Physical review letters (18-08-2006)“…We present a new continuous-time solver for quantum impurity models such as those relevant to dynamical mean field theory. It is based on a stochastic sampling…”
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8
Orbital-selective Mott transition out of band degeneracy lifting
Published in Physical review letters (27-03-2009)“…We outline a general mechanism for orbital-selective Mott transition, the coexistence of both itinerant and localized conduction electrons, and show how it can…”
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9
Mott Quantum Critical Points at Finite Doping
Published in Physical review letters (10-02-2023)“…We demonstrate that a finite-doping quantum critical point (QCP) naturally descends from the existence of a first-order Mott transition in the phase diagram of…”
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10
Optical conductivity and the correlation strength of high-temperature copper-oxide superconductors
Published in Nature physics (01-04-2008)“…Since their discovery in 1986, the high-temperature copper-oxide superconductors have been a central object of study in condensed-matter physics. Their highly…”
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11
Hund-Enhanced Electronic Compressibility in FeSe and its Correlation with T c
Published in Physical review letters (01-11-2018)“…We compute the compressibility of the conduction electrons in both bulk orthorhombic FeSe and monolayer FeSe on SrTiO3 substrate, including dynamical…”
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12
Manipulation of the Magnetic State of a Porphyrin-Based Molecule on Gold: From Kondo to Quantum Nanomagnet via the Charge Fluctuation Regime
Published in ACS nano (23-05-2023)“…By moving individual Fe-porphyrin-based molecules with the tip of a scanning tunneling microscope in the vicinity of the elbow of the herringbone-reconstructed…”
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13
Zooming in REE and Other Trace Elements on Conodonts: Does Taxonomy Guide Diagenesis?
Published in Journal of earth science (Wuhan, China) (01-06-2021)“…Conodont elements are calcium phosphate (apatite structure) mineralized remains of the cephalic feeding apparatus of an extinct marine organism. Due to the…”
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Diagenesis does not invent anything new: Precise replication of conodont structures by secondary apatite
Published in Scientific reports (09-05-2017)“…Conodont elements are important archives of sea/pore water chemistry yet they often exhibit evidence of diagenetic mineral overgrowth which may be biasing…”
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15
Solving the dynamical mean-field theory at very low temperatures using the Lanczos exact diagonalization
Published in Physical review. B, Condensed matter and materials physics (17-12-2007)Get full text
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Nanostructured Thermoelectric PbTe Thin Films with Ag Addition Deposited by Femtosecond Pulsed Laser Ablation
Published in Energies (Basel) (01-04-2023)“…Pulsed laser deposition operated by an ultra-short laser beam was used to grow in a vacuum and at room temperature natively nanostructured thin films of lead…”
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Genesis of Coexisting Itinerant and Localized Electrons in Iron Pnictides
Published in Journal of superconductivity and novel magnetism (01-08-2009)“…We show how the general features of the electronic structure of the Fe-based high-Tc superconductors are a natural setting for a selective localization of the…”
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Iron Mobilization and Mineralogical Alterations Induced by Iron-Deficient Cucumber Plants (Cucumis sativus L.) in a Calcareous Soil
Published in Pedosphere (01-02-2018)“…Dicotyledons cope with ion (Fe) shortage by releasing low-molecular-weight organic compounds into the rhizosphere to mobilize Fe through reduction and…”
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How Much Can We Trust Major Element Quantification in Bioapatite Investigation?
Published in ACS omega (29-10-2019)“…Bioapatite is probably the key factor in the unreplicated success of vertebrates. Chemical data on bioapatite composition can be achieved on a solid sample by…”
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Covalency, double-counting, and the metal-insulator phase diagram in transition metal oxides
Published in Physical review. B, Condensed matter and materials physics (26-11-2012)“…Dynamical mean field theory calculations are used to show that for late transition metal oxides a critical variable for the Mott/charge-transfer transition is…”
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