Search Results - "Kotliar, G"

Kinetic frustration and the nature of the magnetic and paramagnetic states in iron pnictides and iron chalcogenides by Yin, Z. P., Haule, K., Kotliar, G.

“…Iron-based superconductors all share the same building blocks. So why do local magnetic properties vary from one compound to another? A new theoretical model…”
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Coherence–incoherence crossover in the normal state of iron oxypnictides and importance of Hund's rule coupling by Haule, K, Kotliar, G

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Spin dynamics and orbital-antiphase pairing symmetry in iron-based superconductors by Yin, Z. P., Haule, K., Kotliar, G.

“…The pairing symmetry of iron pnictide superconductors has been hotly debated. First-principles simulations suggest low-energy spin excitations play a central…”
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Magnetism and charge dynamics in iron pnictides by Yin, Z. P., Haule, K., Kotliar, G.

“…For the iron pnictide superconductors, a first-principles calculation of the magnetic state shows that correlations are important if we are to understand both…”
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Cluster dynamical mean field theory of the Mott transition by Park, H, Haule, K, Kotliar, G

“…We address the nature of the Mott transition in the Hubbard model at half-filling using cluster dynamical mean field theory (DMFT). We compare cluster-DMFT…”
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Correlated electronic structure of LaO1-xFxFeAs by Haule, K, Shim, J H, Kotliar, G

“…We compute the electronic structure, momentum resolved spectral function and optical conductivity of the new superconductor LaO1-xFxFeAs within the combination…”
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Many-body effects in iron pnictides and chalcogenides: nonlocal versus dynamic origin of effective masses by Tomczak, Jan M, van Schilfgaarde, M, Kotliar, G

“…We apply the quasiparticle self-consistent GW approximation (QSGW) to some of the iron pnictide and chalcogenide superconductors. We compute Fermi surfaces and…”
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Dynamical Mean-Field Theory Plus Numerical Renormalization-Group Study of Spin-Orbital Separation in a Three-Band Hund Metal by Stadler, K M, Yin, Z P, von Delft, J, Kotliar, G, Weichselbaum, A

“…We show that the numerical renormalization group is a viable multi-band impurity solver for dynamical mean-field theory (DMFT), offering unprecedented…”
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Low-Temperature Thermopower in CoSbS by Du, Qianheng, Abeykoon, Milinda, Liu, Yu, Kotliar, G, Petrovic, C

“…We report on giant thermopower of S=2.5  mV/K in CoSbS single crystals: a material that shows strong high-temperature thermoelectric performance when doped…”
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Correlation-Enhanced Electron-Phonon Coupling: Applications of GW and Screened Hybrid Functional to Bismuthates, Chloronitrides, and Other High-Tc Superconductors by Yin, Z P, Kutepov, A, Kotliar, G

“…We show that the electron-phonon coupling (EPC) in many materials can be significantly underestimated by the standard density-functional theory (DFT) in the…”
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Modeling the localized-to-itinerant electronic transition in the heavy fermion system CeIrIn5 by Shim, J H, Haule, K, Kotliar, G

“…We address the fundamental question of crossover from the localized to the itinerant state of a paradigmatic heavy fermion material: CeIrIn5. The temperature…”
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Orbital selective and tunable Kondo effect of magnetic adatoms on graphene: Correlated electronic structure calculations by Jacob, D., Kotliar, G.

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EDRIXS: An open source toolkit for simulating spectra of resonant inelastic x-ray scattering by Wang, Y.L., Fabbris, G., Dean, M.P.M., Kotliar, G.

“…Resonant inelastic x-ray scattering (RIXS) has become a very powerful experimental technique to probe a broad range of intrinsic elementary excitations, for…”
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Evidence of strong correlations and coherence-incoherence crossover in the iron pnictide superconductor KFe2As2 by Hardy, F, Böhmer, A E, Aoki, D, Burger, P, Wolf, T, Schweiss, P, Heid, R, Adelmann, P, Yao, Y X, Kotliar, G, Schmalian, J, Meingast, C

“…Using resistivity, heat-capacity, thermal-expansion, and susceptibility measurements we study the normal-state behavior of KFe2As2. Both the Sommerfeld…”
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Fluctuating valence in a correlated solid and the anomalous properties of δ-plutonium by SHIM, J. H, HAULE, K, KOTLIAR, G

“…Although the nuclear properties of the late actinides (plutonium, americium and curium) are fully understood and widely applied to energy generation, their…”
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Correlation-Enhanced Odd-Parity Interorbital Singlet Pairing in the Iron-Pnictide Superconductor LiFeAs by Nourafkan, R, Kotliar, G, Tremblay, A-M S

“…The rich variety of iron-based superconductors and their complex electronic structure lead to a wide range of possibilities for gap symmetry and pairing…”
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Dynamical mean-field theory for molecular electronics: Electronic structure and transport properties by Jacob, D., Haule, K., Kotliar, G.

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Uncovering Non-Fermi-Liquid Behavior in Hund Metals: Conformal Field Theory Analysis of an SU ( 2 ) × SU ( 3 ) Spin-Orbital Kondo Model by Walter, E., Stadler, K. M., Lee, S.-S. B., Wang, Y., Kotliar, G., Weichselbaum, A., von Delft, J.

“…Hund metals have attracted attention in recent years due to their unconventional superconductivity, which supposedly originates from non-Fermi-liquid (NFL)…”
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Two energy scales and two distinct quasiparticle dynamics in the superconducting state of underdoped cuprates by Le Tacon, M, Sacuto, A, Georges, A, Kotliar, G, Gallais, Y, Colson, D, Forget, A

“…The superconducting temperature Tc of hole-doped high-temperature superconductors has a dome-like shape as a function of hole concentration, with a maximum Tc…”
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Pseudogap induced by short-range spin correlations in a doped Mott insulator by Kyung, B., Kancharla, S. S., Sénéchal, D., Tremblay, A.-M. S., Civelli, M., Kotliar, G.

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