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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.
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Mon, 06/03/2013 - 12:30

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

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.
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Mon, 06/10/2013 - 12:30

Frank Verstraete , Université de Vienne
- 12:30
- D3-2040
- To be announced
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Tue, 06/11/2013 - 00:00

Wolfgang Belzig, l'Université de Constance, Allemagne
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Journal Article

Jandl S, Strach T, Ruf T, Cardona M, Nekvasil V, Iliev M, Zhigunov DI, Barilo SN, Shiryaev SV. 1997. Raman study of crystal-field excitations in Pr2CuO4. Physical Review B. 56:5049-5052.

Strach T, Ruf T, Cardona M, Lin CT, Jandl S, Nekvasil V, Zhigunov DI, Barilo SN, Shiryaev SV. 1996. Raman study of intermultiplet crystal-field transitions in Sm2CuO4. Physical Review B. 54:4276-4282.

Carlone C, Cyr C, Jandl S, Truong KD, Hota NK, Zauhar J. 1983. RESONANCE RAMAN EFFECT IN TCNQ CRYSTALS.. Canadian journal of physics. 61:1510-1514.

Gaulin BD, Isaacs ED, Lussier JG, Reimers JN, Gibbs D, Zschack P, Schröder A, Taillefer L, Garrett JD. 1994. Resonant magnetic X-ray scattering studies of heavy fermion superconductors. Physica B: Physics of Condensed Matter. 199-200:57-62.

Gaulin BD, Gibbs D, Isaacs ED, Lussier JG, Reimers JN, Schröder A, Taillefer L, Zschack P. 1994. Resonant magnetic X-ray scattering study of phase transitions in UPd2Als. Physical Review Letters. 73:890-893.

Ciorga M, Korkusiński M, Pioro-Ladrière M, Zawadzki P, Hawrylak P, Sachrajda AS. 2003. Simple spin textures in a quantum dot. Physica Status Solidi (B) Basic Research. 238:325-330.

Guillot-Noël O, Viana B, Bellamy B, Gourier D, Zogo-Mboulou GB, Jandl S. 2000. Spectroscopic evidence of inhomogeneous distribution of Nd3+ in YVO4, YPO4 and YAsO4 crystals. Optical Materials. 13:427-437.

Sachrajda AS, Korkusinski M, Hawrylak P, Ciorga M, Pioro-Ladrière M, Zawadzki P. 2004. Spin textures in few electron quantum dots. Journal of Magnetism and Magnetic Materials. 272-276:e1273-e1274.

Pioro-Ladrière M, Ciorga M, Lapointe J, Zawadzki P, Korkusiński M, Hawrylak P, Sachrajda AS. 2003. Spin-blockade spectroscopy of a two-level artificial molecule. Physical Review Letters. 91:026803/1-026803/4.

Ellman B, Zaluska A, Taillefer L. 1995. Structural modulations in UPt3 single crystal whiskers. Physica B: Physics of Condensed Matter. 205:346-348.

Loeser AG, Shen Z-X, Schabel MC, Kim C, Zhang M, Kapitulnik A, Fournier P. 1997. Temperature and doping dependence of the Bi-Sr-Ca-Cu-O electronic structure and fluctuation effects. Phys. Rev. B. 56:14185.

Carlone C, Cyr C, Jandl S, Hota NK, Zauhar J. 1982. Temperature dependence of the Raman active phonons in TCNQ crystals. The Journal of Chemical Physics. 77:4920-4925.

Sutherland M, Hawthorn DG, Hill RW, Ronning F, Wakimoto S, Zhang H, Proust C, Boaknin E, Lupien C, Taillefer L et al.. 2003. Thermal conductivity across the phase diagram of cuprates: Low-energy quasiparticles and doping dependence of the superconducting gap. Physical Review B. 67:1745201-17452011.

Daou R, Cyr-Choinière O, Laliberté F, Le Boeuf D, Doiron-Leyraud N, Yan J-Q, Zhou J-S, Goodenough JB, Taillefer L. 2009. Thermopower across the stripe critical point of La1.6-x Nd0.4 Srx CuO4: Evidence for a quantum critical point in a hole-doped high- Tc superconductor. Physical Review B. 79

Granger G, Gaudreau L, Kam A, Pioro-Ladrière M, Studenikin SA, Wasilewski ZR, Zawadzki P, Sachrajda AS. 2010. Three-dimensional transport diagram of a triple quantum dot. Physical Review B. 82

Jiang J, Tong X, Morris D, Zhao Y. 2006. Toward photocontrolled release using light-dissociable block copolymer micelles. Macromolecules. 39:4633-4640.

Zhukov AA, Kokkaliaris S, De Groot PAJ, Jansen AGM, Mossang E, Asaoka H, Wolf T, Gagnon R, Taillefer L. 2000. Transformations of the peak-effect near the multicritical point in YBa2Cu3Oy single crystals. Physica C: Superconductivity and its Applications. 341-348:1027-1030.

Kokkaliaris S, Zhukov AA, De Groot PAJ, Gagnon R, Taillefer L, Wolf T, Wirth G. 2000. Transition from elastic to plastic vortex dynamics in YBa2Cu3O7-δ single crystals: The effect of columnar defects. Physica C: Superconductivity and its Applications. 341-348:1041-1042.

Kokkaliaris S, Zhukov AA, De Groot PAJ, Gagnon R, Taillefer L, Wolf T. 2000. Transition from elastic to plastic vortex phase and its evolution with quenched disorder in YBa2Cu3Oy single crystals. Physical Review B. 61:3655-3664.

Zhao YG, Srivastava RC, Fournier P, Smolyaninova V, Rajeswari M, Wu T, Li ZY, Greene RL, Venkatesan T. 2000. Transport and magnetic properties of La0.8Ce0.2MnO3 thin films grown by pulsed laser deposition. Journal of Magnetism and Magnetic Materials. 220:161-166.

Blais A, Maassen Van Den Brink A, Zagoskin AM. 2003. Tunable coupling of superconducting qubits. Physical Review Letters. 90:127901/1-127901/4.

Ciorga M, Pioro-Ladrière M, Zawadzki P, Hawrylak P, Sachrajda AS. 2002. Tunable negative differential resistance controlled by spin blockade in single-electron transistors. Applied Physics Letters. 80:2177.

Lin SW, Ran QZ, Adenwalla S, Zhao Z, Ketterson JB, Taillefer L, Hinks DG, Levy M, Sarma BK. 1991. Ultrasonic velocity determination of the phase diagram of UPt3. Physica B: Physics of Condensed Matter. 169:493-494.

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.

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