596 citations
- Indian Centre for Space PhysicsIN143 papers
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6 papers · 2 filters
A first principles investigation of cubic BaRuO: A Hund's metal
Nagamalleswararao Dasari, S. R. K. C. Sharma Yamijala, Manish Jain +4
A first-principles investigation of cubic-BaRuO, by combining density functional theory with dynamical mean-field theory and a hybridization expansion continuous time quantum M…
Calculation of generalized spin stiffness constant of strongly correlated doped quantum antiferromagnet on two-dimensional lattice and it's application to effective exchange constant for semi-itinerant systems
Suraka Bhattacharjee, Ranjan Chaudhury
The generalized spin stiffness constant for a doped quantum antiferromagnet has been investigated both analytically and numerically as a function of doping concentration at zero te…
Efficient Density Matrix Renormalization Group algorithm to study Y-Junctions with integer and half-integer spin
Manoranjan Kumar, Aslam Parvej, Simil Thomas +2
An efficient density matrix renormalization group (DMRG) algorithm is presented and applied to Y-junctions, systems with three arms of sites that meet at a central site. The ac…
Semi-phenomenological analysis of neutron scattering results for quasi-two dimensional quantum anti-ferromagnet
Subhajit Sarkar, Ranjan Chaudhury, Samir K. Paul
The available results from the inelastic neutron scattering experiment performed on the quasi-two dimensional spin anti-ferromagnetic material have been…
Tunable site- and orbital-selective Mott transition and quantum confinement effects in LaCaMnO nanoclusters
A. Valli, H. Das, G. Sangiovanni +2
We present a dynamical mean-field theory (DMFT) study of the charge and orbital correlations in finite-size LaCaMnO (LCMO) nanoclusters. Upon nanostructuring LC…
Origin of anomalous breakdown of Bloch's rule in the Mott-Hubbard insulator MnTe
Tapan Chatterji, Antonio M. dos Santos, Jamie J. Molaison +5
We reinvestigate the pressure dependence of the crystal structure and antiferromagnetic phase transition in MnTe by the rigorous and reliable tool of high pressure neutron powd…