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Tomorrow

  1. Gabriel Poulin-Lamarre
    • 12:30
    • D3-2040
    • To be announced

    • Voir Google Calendar

Mon, 05/27/2013 - 12:30

  1. 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

  1. Bhaskar Roy Bardhan, Department of Physics and Astronomy, Louisiana State University
    • 12:30
    • D3-2040
    • To be annonced

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Wed, 06/05/2013 - 10:45

  1. 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

  1. Frank Verstraete , Université de Vienne
    • 12:30
    • D3-2040
    • To be announced

    • Voir Google Calendar
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Wilhelm H, Jaccard D, Duprat R, Bourbonnais C, Jérome D, Moser J, et al. The case for universality of the phase diagram of the Fabre and Bechgaard salts. European Physical Journal B. 2001;21:175-83.
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Duprat R, Bourbonnais C. Interplay between spin-density-wave and superconducting states in quasi-one-dimensional conductors. European Physical Journal B. 2001;21:219-28.
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Bourbonnais C. Basic considerations on broken-symmetry states of organic superconductors. In: Journal De Physique. IV : JP. Vol 10.; 2000. p. Pr3-81.
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Wzietek P, Lefebvre S, Mayaffre H, Brown S, Bourbonnais C, Jérome D, et al. Two-dimensional organic superconductors studied by NMR under pressure. Hyperfine Interactions. 2000;128:183-91.
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Sédéki A, Caron LG, Bourbonnais C. Electron-phonon coupling and Peierls transition in metallic carbon nanotubes. Physical Review B. 2000;62:6975-8.
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Tremblay A-, Bourbonnais C, Sénéchal D. Strong correlations in low dimensional conductors: What are they and where are the challenges? Physics in Canada/La physique au Canada. 2000:229.
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Lefebvre S, Wzietek P, Brown S, Bourbonnais C, Jérome D, Mézière C, et al. Mott transition, antiferromagnetism, and unconventional superconductivity in layered organic superconductors. Physical Review Letters. 2000;85:5420-3.
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Nelisse H, Bourbonnais C, Touchette H, Vilk YM, Tremblay A-. Spin susceptibility of interacting electrons in one dimension: Luttinger liquid and lattice effects. European Physical Journal B. 1999;12:351-65. Abstract
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application/pdf iconspin susceptibility, nelisse, bourbonnais, touchette, vilk, tremblay.pdf
Dumoulin B, Pouget JP, Bourbonnais C. Theory of 2kF and 4kF fluctuations effects in strongly correlated Peierls systems. Synthetic Metals. 1999;103:1797-8.
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Guay B, Bourbonnais C. Interchain pairing in quasi-one-dimensional conductors. Synthetic Metals. 1999;103:2180-2.
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