Search Results - "Costi, A."

Time Evolution of the Kondo Resonance in Response to a Quench by Nghiem, H T M, Costi, T A

“…We investigate the time evolution of the Kondo resonance in response to a quench by applying the time-dependent numerical renormalization group (TDNRG)…”
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Metallic and Insulating Phases of Repulsively Interacting Fermions in a 3D Optical Lattice by Schneider, U, Hackermüller, L, Will, S, Best, Th, Bloch, I, Costi, T.A, Helmes, R.W, Rasch, D, Rosch, A

“…The fermionic Hubbard model plays a fundamental role in the description of strongly correlated materials. We have realized this Hamiltonian in a repulsively…”
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Mechanical Control of Spin States in Spin-1 Molecules and the Underscreened Kondo Effect by Parks, J.J, Champagne, A.R, Costi, T.A, Shum, W.W, Pasupathy, A.N, Neuscamman, E, Flores-Torres, S, Cornaglia, P.S, Aligia, A.A, Balseiro, C.A, Chan, G.K.-L, Abruña, H.D, Ralph, D.C

“…The ability to make electrical contact to single molecules creates opportunities to examine fundamental processes governing electron flow on the smallest…”
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Observation of the underscreened Kondo effect in a molecular transistor by Roch, Nicolas, Florens, Serge, Costi, Theo A, Wernsdorfer, Wolfgang, Balestro, Franck

“…We present the first quantitative experimental evidence for the underscreened Kondo effect, an incomplete compensation of a quantized magnetic moment by…”
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Kondo effect in a magnetic field and the magnetoresistivity of kondo alloys by Costi, TA

“…The effect of a magnetic field on the spectral density of a S = 1/2 Kondo impurity is investigated at zero and finite temperatures by using Wilson's numerical…”
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Mott transition of fermionic atoms in a three-dimensional optical trap by Helmes, R W, Costi, T A, Rosch, A

“…We study theoretically the Mott metal-insulator transition for a system of fermionic atoms confined in a three-dimensional optical lattice and a harmonic trap…”
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Conductance scaling in Kondo-correlated quantum dots: Role of level asymmetry and charging energy by Merker, L., Kirchner, S., Muñoz, E., Costi, T. A.

“…The low-temperature electrical conductance through correlated quantum dots provides a sensitive probe of the physics (e.g., of Fermi-liquid versus…”
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Kondo decoherence: finding the right spin model for iron impurities in gold and silver by Costi, T A, Bergqvist, L, Weichselbaum, A, von Delft, J, Micklitz, T, Rosch, A, Mavropoulos, P, Dederichs, P H, Mallet, F, Saminadayar, L, Bäuerle, C

“…We exploit the decoherence of electrons due to magnetic impurities, studied via weak localization, to resolve a long-standing question concerning the classic…”
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Generalization of the time-dependent numerical renormalization group method to finite temperatures and general pulses by Nghiem, H. T. M., Costi, T. A.

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Modulated Kondo screening along magnetic mirror twin boundaries in monolayer MoS2 by van Efferen, Camiel, Fischer, Jeison, Costi, Theo A., Rosch, Achim, Michely, Thomas, Jolie, Wouter

“…When a single electron is confined to an impurity state in a metal, a many-body resonance emerges at the Fermi energy if the electron bath screens the…”
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Scaling and Universality in the Anisotropic Kondo Model and the Dissipative Two-State System by Costi, T. A.

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Thermoelectric transport through strongly correlated quantum dots by Costi, T. A., Zlatić, V.

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Direct Probe of the Seebeck Coefficient in a Kondo-Correlated Single-Quantum-Dot Transistor by Dutta, Bivas, Majidi, Danial, García Corral, Alvaro, Erdman, Paolo A, Florens, Serge, Costi, Theo A, Courtois, Hervé, Winkelmann, Clemens B

“…We report on the first measurement of the Seebeck coefficient in a tunnel-contacted and gate-tunable individual single-quantum dot junction in the Kondo…”
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Magnetic-Field Universality of the Kondo Effect Revealed by Thermocurrent Spectroscopy by Hsu, Chunwei, Costi, Theo A, Vogel, David, Wegeberg, Christina, Mayor, Marcel, van der Zant, Herre S J, Gehring, Pascal

“…Probing the universal low-temperature magnetic-field scaling of Kondo-correlated quantum dots via electrical conductance has proved to be experimentally…”
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Equilibrium dynamics of the dissipative two-state system by Costi, TA, Kieffer, C

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Time-dependent numerical renormalization group method for multiple quenches: Application to general pulses and periodic driving by Nghiem, H. T. M., Costi, T. A.

“…The time-dependent numerical renormalization group method (TDNRG) was recently generalized to multiple quenches and arbitrary finite temperatures by using the…”
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Full density-matrix numerical renormalization group calculation of impurity susceptibility and specific heat of the Anderson impurity model by Merker, L., Weichselbaum, A., Costi, T. A.

“…Recent developments in the numerical renormalization group (NRG) allow the construction of the full density matrix (FDM) of quantum impurity models [see A…”
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Kondo proximity effect: how does a metal penetrate into a Mott insulator? by Helmes, R W, Costi, T A, Rosch, A

“…We consider a heterostructure of a metal and a paramagnetic Mott insulator using an adaptation of dynamical mean-field theory to describe inhomogeneous…”
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Charge Kondo anomalies in PbTe doped with Tl impurities by Costi, T A, Zlatić, V

“…We investigate the properties of PbTe doped with a small concentration x of Tl impurities acting as acceptors and described by Anderson impurities with…”
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Numerical renormalization group calculation of impurity internal energy and specific heat of quantum impurity models by Merker, L., Costi, T. A.

“…We introduce a method to obtain the specific heat of quantum impurity models via a direct calculation of the impurity internal energy requiring only the…”
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