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- Canadian Institute for Advanced ResearchCA58 papers
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9 papers · 1 filter
Robust micro-magnet design for fast electrical manipulations of single spins in quantum dots
Jun Yoneda, Tomohiro Otsuka, Tatsuki Takakura +9
Tailoring spin coupling to electric fields is central to spintronics and spin-based quantum information processing. We present an optimal micromagnet design that produces appropria…
Topological phases of the Kitaev-Hubbard Model at half-filling
J. P. L. Faye, S. R. Hassan, D. Sénéchal
The Kitaev-Hubbard model of interacting fermions is defined on the honeycomb lattice and, at strong coupling, interpolates between the Heisenberg model and the Kitaev model. It is…
Cluster categories of type and triangulations of the infinite strip
Shiping Liu, Charles Paquette
We first study the (canonical) orbit category of the bounded derived category of finite dimensional representations of a quiver with no infinite path, and we pay more attention on…
Observation of directly interacting coherent two-level systems in a solid
Jürgen Lisenfeld, Grigorij J. Grabovskij, Clemens Müller +3
Parasitic two-level tunneling systems originating from structural material defects affect the functionality of various microfabricated devices by acting as a source of noise. In pa…
-wave superconductivity in coupled ladders
J. P. L. Faye, S. R. Hassan, P. V. Sriluckshmy +2
We study the one-band Hubbard model on the trellis lattice, a two-dimensional frustrated lattice of coupled two-leg ladders, with hopping amplitude within ladders and betw…
Nature of ground states in one-dimensional electron-phonon Hubbard models at half-filling
Hassan Bakrim, Claude Bourbonnais
The renormalization group technique is applied to one-dimensional electron-phonon Hubbard models at half-filling and zero temperature. For the Holstein-Hubbard model, the results o…