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- Canadian Institute for Advanced ResearchCA58 papers
- Centre National de la Recherche ScientifiqueFR50 papers
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- University of WaterlooCA16 papers
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35 papers · 1 filter
Electric polarization of SrBaMnO: a multiferroic Mott insulator
R. Nourafkan, G. Kotliar, A. -M. S. Tremblay
Ab initio calculations of the electric polarization of correlation-driven insulating materials, namely Mott insulators, have not been possible so far. Using a combination of densit…
Universal V-shaped temperature-pressure phase diagram in the iron-based superconductors KFe2As2, RbFe2As2, and CsFe2As2
F. F. Tafti, A. Ouellet, A. Juneau-Fecteau +7
We report a sudden reversal in the pressure dependence of Tc in the iron-based superconductor RbFe2As2, at a critical pressure Pc = 11 kbar. Combined with our prior results on KFe2…
Fast Electrical Control of Single Electron Spins in Quantum Dots with Vanishing Influence from Nuclear Spins
J. Yoneda, T. Otsuka, T. Nakajima +7
We demonstrate fast universal electrical spin manipulation with inhomogeneous magnetic fields. With fast Rabi frequency up to 127 MHz, we leave the conventional regime of strong nu…
Impurity-induced magnetic moments on the graphene-lattice Hubbard model: an inhomogeneous cluster DMFT study
M. Charlebois, D. Sénéchal, A. -M. Gagnon +1
Defect-induced magnetic moments are at the center of the research effort on spintronic applications of graphene. Here we study the problem of a nonmagnetic impurity in graphene wit…
Probing surface states exposed by crystal terminations at arbitrary orientations of three-dimensional topological insulators
Sthitadhi Roy, Kush Saha, Sourin Das
The topological properties of the bulk band structure of a three-dimensional topological insulator (TI) manifest themselves in the form of metallic surface states. In this paper, w…
Multiplexed Readout of Transmon Qubits with Josephson Bifurcation Amplifiers
V. Schmitt, X. Zhou, K. Juliusson +4
Achieving individual qubit readout is a major challenge in the development of scalable superconducting quantum processors. We have implemented the multiplexed readout of a four tra…