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Low-Field Regime of Magnon Transport in Yttrium Iron Garnet
Hossein Taghinejad, Kohtaro Yamakawa, Xiaoxi Huang +4
Diffusive propagation of spin waves and their quanta - magnons - in the archetypal magnetic insulator yttrium iron garnet (YIG) is under a surge of research for low-power and low-l…
Collective spin dynamics under dissipative spin Hall torque
Yaroslav Tserkovnyak, Eran Maniv, James Analytis
Current-induced spin torques in layered magnetic heterostructures have many commonalities across broad classes of magnetic materials. These include not only collinear ferromagnets,…
Competition between magnetic order and charge localization in NaIrO thin crystal devices
Josue Rodriguez, Gilbert Lopez, Samantha Crouch +15
Spin orbit assisted Mott insulators such as sodium iridate (NaIrO) have been an important subject of study in the recent years. In these materials, the interplay of electro…
Transport signatures of surface states in a Weyl semimetal: evidence of field driven Fermi arc interferometry
Nityan L. Nair, Marie-Eve Boulanger, Francis Laliberté +8
A signature property of Weyl semimetals is the existence of topologically protected surface states - arcs in momentum space that connect Weyl points in the bulk. However, the prese…
Thermodynamic signatures for the existence of Dirac electrons in ZrTe5
Nityan L. Nair, Philipp T. Dumitrescu, Sanyum Channa +4
We combine transport, magnetization, and torque magnetometry measurements to investigate the electronic structure of ZrTe5 and its evolution with temperature. At fields beyond the…
Transport evidence for Fermi-arc mediated chirality transfer in the Dirac semimetal CdAs
Philip J. W. Moll, Nityan L. Nair, Tony Helm +4
Dirac semi-metals show a linear electronic dispersion in three dimension described by two copies of the Weyl equation, a theoretical description of massless relativistic fermions.…