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7 papers
A Prototype Compact Accelerator Driven Neutron Source for Canada Supporting Medical and Scientific Applications
Dalini D. Maharaj, Mina Abbaslou, Sana Tabbassum +7
Canada recently lost its major supply of neutron beams with the closure of the National Research Universal reactor at Chalk River Laboratories in March 2018. This issue is further…
A Prototype Compact Accelerator-based Neutron Source (CANS) for Canada
Robert Laxdal, Dalini Maharaj, Mina Abbaslou +11
Canada's access to neutron beams for neutron scattering was significantly curtailed in 2018 with the closure of the National Research Universal (NRU) reactor in Chalk River, Ontari…
Multipolar magnetism in d-orbital systems: Crystal field levels, octupolar order, and orbital loop currents
Sreekar Voleti, Dalini D. Maharaj, Bruce D. Gaulin +2
Quantum magnets with spin , which arise in spin-orbit coupled Mott insulators, can potentially display multipolar orders. We carry out an exact diagonalization study of a simp…
Octupolar vs Néel Order in Cubic 5 double perovskites
Dalini D. Maharaj, Gabriele Sala, Matthew B. Stone +7
We report time-of-flight neutron spectroscopic and diffraction studies of the 5 cubic double pervoskite magnets, BaMOsO ( = Zn, Mg, Ca). These cubic materials are a…
Octupolar order in d-orbital Mott insulators
Arun Paramekanti, Dalini D. Maharaj, Bruce D. Gaulin
Motivated by experimental and theoretical interest in realizing multipolar orders in -orbital materials, we discuss the quantum magnetism of ions which can be realized…
Two-dimensional spin liquid behaviour in the triangular-honeycomb antiferromagnet TbInO
Lucy Clark, Gabriele Sala, Dalini D. Maharaj +9
Spin liquid ground states are predicted to arise within several distinct scenarios in condensed matter physics. The observation of these disordered magnetic states is particularly…