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DTSTART:20170326T030000
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DTSTART:20161030T020000
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DTSTAMP:20260429T024521Z
UID:583424f2eab23716417249@ist.ac.at
DTSTART:20161207T091500
DTEND:20161207T101500
DESCRIPTION:Speaker: Gerhard Kirchmair\nAbstract: In this talk I want to pr
 esent the research activities of the Superconducting Quantum Circuits grou
 p at the Institute for Quantum Optics and Quantum Information in Innsbruck
 .\nIn the first part I will give an introduction to circuit quantum electr
 odynamics and the 3D\narchitecture. I will show how we want to use this ar
 chitecture to realize a platform for quantum many body simulations of dipo
 lar XY models on 2D lattices using state of the art circuit QED technology
 . The central idea is to exploit the naturally occurring dipolar interacti
 ons between 3D superconducting qubits to simulate models of interacting qu
 antum spins. The ability to arrange the qubits on essentially arbitrary ge
 ometries allows us to design spin models with more than nearest-neighbor i
 nteraction in various geometries. In the second part of my talk I want to 
 present an experimental analysis of the Kerr effect of extended plasma res
 onances in a 1000 Josephson junction(JJ) chain resonator inside a rectangu
 lar waveguide. We study the bistable behavior\, using a pump probe scheme 
 on two modes of the JJ array\, exploiting the Cross-Kerr effect in our sys
 tem. In order to understand the behavior of the bi-stability we perform co
 ntinuous time measurements to observe the switching between the two metast
 able states. We observe a strong dependence of the switching rates on the 
 photon number and the drive frequency.
LOCATION:Seminar room Big Ground floor / Office Bldg West (I21.EG.101)\, IS
 TA
ORGANIZER:sdanzing@ist.ac.at
SUMMARY:Gerhard Kirchmair: Quantum Simulations with Superconducting Qubits 
 and Josepshon Junction array resonato
URL:https://talks-calendar.ista.ac.at/events/230
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