Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Maharaj, Dalini"'
Autor:
Maharaj, Dalini D., Abbaslou, Mina, Tabbassum, Sana, Gottberg, Alexander, Marchetto, Marco, Tun, Zin, Nie, Linda H., Kester, Oliver, Marquardt, Drew, Laxdal, Robert
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 exacerbated by the closure of other reactors abroad, which also served
Externí odkaz:
http://arxiv.org/abs/2205.01662
Autor:
Maharaj, Dalini
Magnetic frustration is the underpinning theme to all of the magnetic oxide systems explored in this dissertation. The materials studied in this thesis belong to two topical families of interest in modern condensed matter physics, namely, the rare-ea
Externí odkaz:
http://hdl.handle.net/11375/25417
Autor:
Laxdal, Robert, Maharaj, Dalini, Abbaslou, Mina, Tun, Zin, Banks, Daniel, Gottberg, Alexander, Marchetto, Marco, Rodriguez, Eduardo, Yamani, Zahra, Fritzsche, Helmut, Rogge, Ronald, Pan, Ming, Kester, Oliver, Marquardt, Drew
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, Ontario, Canada. New sources are needed for the long-term; otherwise, access
Externí odkaz:
http://arxiv.org/abs/2104.10226
Publikováno v:
Phys. Rev. B 101, 155118 (2020)
Quantum magnets with spin $J=2$, which arise in spin-orbit coupled Mott insulators, can potentially display multipolar orders. We carry out an exact diagonalization study of a simple octahedral crystal field Hamiltonian for two electrons, incorporati
Externí odkaz:
http://arxiv.org/abs/2002.05737
Publikováno v:
Phys. Rev. B 101, 054439 (2020)
Motivated by experimental and theoretical interest in realizing multipolar orders in $d$-orbital materials, we discuss the quantum magnetism of $J\!=\!2$ ions which can be realized in spin-orbit coupled oxides with $5d^2$ transition metal ions. Based
Externí odkaz:
http://arxiv.org/abs/1909.03089
Autor:
Maharaj, Dalini D., Sala, Gabriele, Stone, Matthew B., Kermarrec, Edwin, Ritter, Clemens, Fauth, François, Marjerrison, Casey A., Greedan, John E., Paramekanti, Arun, Gaulin, Bruce D.
Publikováno v:
Phys. Rev. Lett. 124, 087206 (2020)
We report time-of-flight neutron spectroscopic and diffraction studies of the 5$d^2$ cubic double pervoskite magnets, Ba$_2$MOsO$_6$ ($M$ = Zn, Mg, Ca). These cubic materials are all described by antiferromagnetically-coupled 5$d^2$ Os$^{6+}$ ions de
Externí odkaz:
http://arxiv.org/abs/1909.03113
Autor:
Clark, Lucy, Sala, Gabriele, Maharaj, Dalini D., Stone, Matthew B., Knight, Kevin S., Telling, Mark T. F., Wang, Xueyun, Xu, Xianghan, Kim, Jaewook, Li, Yanbin, Cheong, Sang-Wook, Gaulin, Bruce D.
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 pervasive amongst a class of materials known as frustrated magnets, in
Externí odkaz:
http://arxiv.org/abs/1806.08215
Publikováno v:
Phys. Rev. B 97, 224409 (2018)
The pyrochlore magnet $\rm Yb_2Ti_2O_7$ has been proposed as a quantum spin ice candidate, a spin liquid state expected to display emergent quantum electrodynamics with gauge photons among its elementary excitations. However, $\rm Yb_2Ti_2O_7$'s grou
Externí odkaz:
http://arxiv.org/abs/1711.02648
Autor:
Maharaj, Dalini D.
First we shall consider the rare-earth titanate Yb2Ti2O7 which has been extensively studied within the past two decades but is still not very well understood. There has been much debate over the nature of the magnetic ground state of this system with
Externí odkaz:
http://hdl.handle.net/11375/16508
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