Direct evidence for neutrino flavor transformation from neutral-current interactions in the Sudbury Neutrino Observatory.
- Q. Ahmad, R. C. Allen, M. Yeh
- PhysicsPhysical Review Letters
- 2002
Observations of neutral-current nu interactions on deuterium in the Sudbury Neutrino Observatory are reported, providing strong evidence for solar nu(e) flavor transformation.
Nonlocal magnetization dynamics in ferromagnetic heterostructures
- Y. Tserkovnyak, A. Brataas, G. Bauer, B. Halperin
- Physics
- 9 September 2004
Two complementary effects modify the GHz magnetization dynamics of nanoscale heterostructures of ferromagnetic and normal materials relative to those of the isolated magnetic constituents. On the one…
Enhanced gilbert damping in thin ferromagnetic films.
- Y. Tserkovnyak, A. Brataas, G. Bauer
- PhysicsPhysical Review Letters
- 11 October 2001
The precession of the magnetization of a ferromagnet is shown to transfer spins into adjacent normal metal layers, slowing down the precession corresponding to an enhanced Gilbert damping constant in the Landau-Lifshitz equation.
Spin pumping and magnetization dynamics in metallic multilayers
- Y. Tserkovnyak, A. Brataas, G. Bauer
- Physics
- 6 August 2002
We study the magnetization dynamics in thin ferromagnetic films and small ferromagnetic particles in contact with paramagnetic conductors. A moving magnetization vector causes ‘‘pumping’’ of spins…
Measurement of day and night neutrino energy spectra at SNO and constraints on neutrino mixing parameters.
- Q. Ahmad, R. C. Allen, M. Yeh
- PhysicsPhysical Review Letters
- 1 July 2002
The Sudbury Neutrino Observatory (SNO) has measured day and night solar neutrino energy spectra and rates, and a global solar neutRino analysis in terms of matter-enhanced oscillations of two active flavors strongly favors the large mixing angle solution.
Blowing magnetic skyrmion bubbles
- Wanjun Jiang, P. Upadhyaya, A. Hoffmann
- PhysicsScience
- 27 February 2015
A phase diagram for skyrmion formation is determined and the efficient manipulation of these dynamically created skyrMions, including depinning and motion, are revealed, which could lead to progress in sk Kyrmion-based spintronics.
Magnetization switching through giant spin-orbit torque in a magnetically doped topological insulator heterostructure.
- Yabin Fan, P. Upadhyaya, Kang L. Wang
- PhysicsNature Materials
- 3 March 2014
The giant SOT and efficient current-induced magnetization switching exhibited by the bilayer heterostructure may lead to innovative spintronics applications such as ultralow power dissipation memory and logic devices.
Measurement of charged current interactions produced by 8 B solar neutrinos at the Sudbury Neutrino Observatory
- Q. Ahmad, R. C. Allen, M. Yeh
- Biology
- 2001
Q.R. Ahmad, R.C. Allen, T.C. Andersen, J.D. Anglin, G. B uhler, J.C. Barton, E.W. Beier, M. Bercovitch, J. Bigu, S. Biller, R.A. Black, I. Blevis, R.J. Boardman, J. Boger, E. Bonvin, M.G. Boulay,…
Antiferromagnetic spintronics
- V. Baltz, A. Manchon, M. Tsoi, T. Moriyama, T. Ono, Y. Tserkovnyak
- Physics
- 14 June 2016
Antiferromagnetic materials could represent the future of spintronic applications thanks to the numerous interesting features they combine: they are robust against perturbation due to magnetic…
Switching of perpendicular magnetization by spin-orbit torques in the absence of external magnetic fields.
- Guoqiang Yu, P. Upadhyaya, Kang L. Wang
- PhysicsNature Nanotechnology
- 4 November 2013
This work reports the switching of out-of-plane magnetized Ta/Co(20)Fe(60)B(20)/TaO(x) structures by spin-orbit torques driven by in-plane currents, without the need for any external magnetic fields.
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