Search Results - "Laad, Mukul"
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Microscopic description of insulator-metal transition in high-pressure oxygen
Published in Scientific reports (01-06-2017)“…Unusual metallic states involving breakdown of the standard Fermi-liquid picture of long-lived quasiparticles in well-defined band states emerge at low…”
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2
Normal state incoherent pseudogap in FeSe superconductor
Published in The European physical journal. B, Condensed matter physics (01-05-2016)“…The normal state of Iron chalcogenide superconductors show a range of unconventional features. Bad-metallic resistivity and proximity to insulating state…”
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3
Nematic fluctuations in iron-oxychalcogenide Mott insulators
Published in npj quantum materials (05-01-2021)“…Nematic fluctuations occur in a wide range physical systems from biological molecules to cuprates and iron pnictide high- T c superconductors. It is unclear…”
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4
Mott Transitions: A Brief Review
Published in Advanced quantum technologies (Online) (01-10-2024)“…Abstract This short review provides an overview of some aspects of the current understanding of Mott insulators and Mott metal‐insulator transitions. The…”
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Family of exactly solvable models with an ultimate quantum paramagnetic ground state
Published in Physical review letters (11-06-2010)“…We present a family of two-dimensional frustrated quantum magnets solely based on pure nearest-neighbor Heisenberg interactions which can be solved…”
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Microscopic Description of Unconventional Nodal Superconductivity in FeSe
Published 24-05-2018“…Finding of unconventional superconductivity (USC) in FeSe in an electronic "normal" state with broken $C_{4v}$ rotational symmetry testifies to the diversity…”
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Can disorder act as a chemical pressure? An optical study of the Hubbard model
Published 31-01-2018“…J. Phys: Condens Matter, 30 (2018) 195603 (7pp) The optical properties have been studied using the dynamical mean-field theory (DMFT) on a disordered Hubbard…”
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Fascinating interplay between Charge Density Wave Order and magnetic field in Non-magnetic Rare-Earth Tritelluride LaTe$_{3}
Published 23-05-2020“…Phys. Rev. B 104, 155147 (2021) Charge density wave (CDW) states in solids bear an intimate connection to underlying fermiology. Modification of the latter by…”
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Mott transitions and Novel Orders in Multi-Orbital Models: The Relevance of Structural "Double Exchange"
Published 15-10-2015“…In real transition-metal oxides, the so-called GdFeO3 octahedral tilt is long known to be a relevant control parameter influencing the range of orbital and…”
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10
Fermiology in a Local Quantum Critical Metal
Published 16-07-2015“…Recent experimental work has brought the twin issues of the origin of non-Lifshitz-Kosevich scaling in de Haas van Alphen (dHvA) and its precise relation to…”
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Emergent Strange Nodal Metallicity from Orbital-Selective Mott Physics
Published 06-05-2018“…While a specific kind of strange metal is increasingly found to be the "normal" states in a wide variety of unconventional superconductors, its microscopic…”
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Orbital-Selective Mottness in Layered Iron Oxychalcogenides: The Case of Na_{2}Fe_{2}OSe_{2}
Published 05-07-2013“…Using a combination of th local-density approximtion (LDA) and dynamicla mean-field theory (DMFT) calculations, we explore the correlated electronic structure…”
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13
Theory of Orbital Nematicity in Underdoped Iron Arsenides
Published 14-10-2010“…Recent finding of an {\it unusual} in-plane resistivity anisotropy in the underdoped 122-family at high temperature ($T$) suggests an orbital nematic (ON)…”
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14
Effect of Short-Range Fluctuations on Thermodynamic and Resistive Properties: The case of Ising Order
Published 06-10-2010“…We consider the effects of the non-local Ising-like "core spin" correlations on the order-parameter fluctuation contribution to the resistivity and…”
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15
Valence Fluctuation Driven Non-Fermi LIquid Behavior and Unconventional Superconductivity in Pressurized CeCu_{2}Si_{2}
Published 14-05-2008“…I study an Extended Periodic Anderson Model (EPAM) with non-local hybridisation, $V_{fc}$, and a coulomb interaction, $U_{fc}$, between localised $f$ electrons…”
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Theory of Multiband Superconductivity in Iron Pnictides
Published 20-02-2009“…Phys. Rev. Lett. 103, 017002 (2009) The precise nature of unconventional superconductivity in Iron Pnictides is presently a hotly debated issue. Here, using…”
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From frustrated insulators to correlated anisotropic metals: charge ordering and quantum criticality in coupled chain systems
Published 16-08-2007“…A recent study revealed the dynamics of the charge sector of a one-dimensional quarter-filled electronic system with extended Hubbard interactions to be that…”
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18
Ordering from frustration in a strongly correlated one-dimensional system
Published 16-08-2007“…We study a one-dimensional extended Hubbard model with longer-range Coulomb interactions at quarter-filling in the strong coupling limit. We find two different…”
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19
Nematic Fluctuations in Iron-Oxychalcogenide Mott Insulators
Published 04-08-2017“…Nematic fluctuations occur in a wide range of physical systems from liquid crystals to biological molecules to solids such as exotic magnets, cuprates and…”
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20
Mott Transition and Strange Metal in Two Dimensions: A View from Cellular Dynamical Cluster Approximation
Published 24-01-2007“…We introduce a Cellular Dynamical Cluster Approximation (CDCA) to study the nature of the Mott insulator-metal transition in the extended Hubbard model on a…”
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