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Tue, 05/21/2013 - 12:30

Gabriel Poulin-Lamarre
- 12:30
- D3-2040
- To be announced
- Voir Google Calendar

Mon, 05/27/2013 - 12:30

Susanne Butz, Physikalisches Institut, Karlsruhe Institute of Technology, Karlsruhe, Germany.
- 12:30
- D3-2040
- Title: A Tunable Josephson Metamaterial
  
  Abstract: We present experimental data on a tunable magnetic metamaterial consisting of rf-SQUIDs. A metamaterial is a medium constructed of artifical elements, so- called meta-atoms, that interact in a specific way with an incoming electromagnetic wave. The size of and the distance between the individual meta-atoms is much smaller than the wavelength. Our metamaterial consists of one-dimensional arrays of 27 rf-SQUIDs, one chain placed inside each of the gaps of a coplanar waveguide. Due to the nonlinear inductance of the rf-SQUID, its resonance frequency is tunable in situ by applying a dc magnetic field. We demonstrate that this results in tunable effective parameters of our metamaterial. In order to obtain the effective magnetic permeability from the measured data, we employ a technique that uses only the complex transmission coefficient S21.
- Voir Google Calendar

Mon, 06/03/2013 - 12:30

Bhaskar Roy Bardhan, Department of Physics and Astronomy, Louisiana State University
- 12:30
- D3-2040
- To be annonced
- Voir Google Calendar

Wed, 06/05/2013 - 10:45

INTRIQ : Lilian Childress, McGill
- 10:45
- D1-2165
- Title: Spins and photons: toward quantum networks in diamond
  
  Abstract: Long-lived electronic and nuclear spin states have made nitrogen-vacancy (NV) defects in diamond a leading candidate for solid-state quantum information processing. Moreover, their coherent optical transitions open opportunities for quantum communication. This talk will consider the motivation and requirements for optically-networked quantum devices, and explore challenges and opportunities for realizing them in diamond. In particular, the resonant excitation and emission in these defect centers enables single shot spin detection as well as observation of two-photon quantum interference; these two capabilities have enabled measurement-based entanglement between remote NV centers.
- Voir Google Calendar

Mon, 06/10/2013 - 12:30

Frank Verstraete , Université de Vienne
- 12:30
- D3-2040
- To be announced
- Voir Google Calendar

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2009

Dupuy E, Pauc N, Drouin D, Xu G, Gendry M, Morris D. 2009. High resolution imaging of INAS/INP Single Quantum Dots by Low-voltage cathodoluminescence. Conference Proceedings - International Conference on Indium Phosphide and Related Materials. :355-357.

2008

Richard P, Neupane M, Xu Y-M, Fournier P, Li S, Dai P, Wang Z, Ding H. 2008. Emergence of the nodal portion of the Fermi surface due to the reduction process in the electron-doped cuprates. Physica B: Condensed Matter. 403:1170-1172.

Dupuy E, Xu G, Regreny P, Robach Y, Gendry M, Chauvin N, Bru-Chevallier C, Patriarche G, Morris D, Pauc N et al.. 2008. Influence of surface reconstructions on the shape of InAs quantum dots grown on InP(OOI). Conference Proceedings - International Conference on Indium Phosphide and Related Materials.

Xue P, Sanders BC, Blais A, Lalumière K. 2008. Quantum walks on circles in phase space via superconducting circuit quantum electrodynamics. Physical Review A. 78

2007

Richard P, Neupane M, Xu Y-M, Fournier P, Li S, Dai P, Wang Z, Ding H. 2007. Competition between Antiferromagnetism and Superconductivity in the Electron-Doped Cuprates Triggered by Oxygen Reduction. Physical Review Letters. 99:157002.

2000

Zhang Y, Ong NP, Xu ZA, Krishana K, Gagnon R, Taillefer L. 2000. Determining the Wiedemann-Franz Ratio from the Thermal Hall Conductivity: Application to Cu and YBa2Cu3O6.95. Physical Review Letters. 84:2219-2222.

Xu ZA, Zhang Y, Ong NP, Krishana K, Gagnon R, Taillefer L. 2000. Wiedemann-Franz ratio in YBa2Cu3O7-δ determined from the thermal Hall conductivity. Physica C: Superconductivity and its Applications. 341-348:III/.

Xu ZA, Zhang Y, Ong NP, Krishana K, Gagnon R, Taillefer L. 2000. The Wiedemann-Pranz ratio in YBa2Cu3O7-δ determined from the thermal Hall conductivity. Physica C: Superconductivity and its Applications. 341-348:1833-1836.

1999

Krishana K, Ong NP, Zhang Y, Xu ZA, Gagnon R, Taillefer L. 1999. Quasiparticle thermal Hall angle and magnetoconductance in YBa2Cu3Ox. Physical Review Letters. 82:5108-5111.

1996

Xu ZZ, Morris D. 1996. Electron-electron inter-subband scattering in GaAs quantum wells. Canadian Journal of Physics. 74:S252-S255.

1992

Jandl S, Banville M, Xu QF, Ait-Ouali A. 1992. Raman and infrared studies of the one-dimensional antiferromagnet CsNiCl3. Physical Review B. 46:11585-11590.

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