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Autor:
Pariari, Arnab, Koley, Sudipta, Roy, Shubhankar, Singha, Ratnadwip, Laad, Mukul S., Taraphder, A., Mandal, Prabhat
Publikováno v:
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 a suitable perturbation provides an attractive handle to unearth novel CDW states. Here, we combine extensive magnetotransp
Externí odkaz:
http://arxiv.org/abs/1901.08267
Finding of unconventional superconductivity (USC) in FeSe in an electronic "normal" state with broken $C_{4v}$ rotational symmetry testifies to the diversity of pairing states in Fe-based superconductors. Moreover, such USC emerges as a direct instab
Externí odkaz:
http://arxiv.org/abs/1805.09628
Autor:
Acharya, Swagata, Laad, Mukul S., Dasari, Nagamalleswararao, Vidhyadhiraja, N. S., Jarrell, Mark, Taraphder, A
While a specific kind of strange metal is increasingly found to be the "normal" states in a wide variety of unconventional superconductors, its microscopic origin is presently a hotly debated enigma. Using dynamical mean-field theory (DMFT) based on
Externí odkaz:
http://arxiv.org/abs/1805.02288
Publikováno v:
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 model. Despite the fact that disorder turns a metal to an insulator in high dimensional correlated materials, we notice that it can enhance
Externí odkaz:
http://arxiv.org/abs/1802.00105
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 magnetic ordered states found across families of cubic perovskite families. Their precise role
Externí odkaz:
http://arxiv.org/abs/1510.04475
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 anomalously broad non-quasiparticle spectral features in "strange" metals, to the forefront.
Externí odkaz:
http://arxiv.org/abs/1507.04670
Using a combination of th local-density approximtion (LDA) and dynamicla mean-field theory (DMFT) calculations, we explore the correlated electronic structure of a member of the layered Iron oxychalcogenide Na_{2}Fe_{2}OSe_{2}. We find that the paren
Externí odkaz:
http://arxiv.org/abs/1307.1693
Autor:
Laad, Mukul S., Craco, Luis
Recent finding of an {\it unusual} in-plane resistivity anisotropy in the underdoped 122-family at high temperature ($T$) suggests an orbital nematic (ON) order, posing a challenge to extant theories. The {\it sign} of the anisotropy contradicts expe
Externí odkaz:
http://arxiv.org/abs/1010.2940
Autor:
Laad, Mukul S., Craco, Luis
We consider the effects of the non-local Ising-like "core spin" correlations on the order-parameter fluctuation contribution to the resistivity and thermodynamics of metals showing Ising-like order at finite temperature. We employ the well-known clus
Externí odkaz:
http://arxiv.org/abs/1010.1098