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R. G. Herb Condensed Matter Seminars

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Events During the Week of October 6th through October 13th, 2019

Monday, October 7th, 2019

No events scheduled

Tuesday, October 8th, 2019

Spectroscopy with Josephson Junctions
Time: 11:00 am
Place: 4274 Chamberlin Hall
Speaker: Dr. Çaglar Girit, College de France
Abstract: Spectroscopy, by providing a direct measurement of the energy spectrum, is a powerful tool to probe matter. Conventional spectroscopy techniques suffer several drawbacks when applied to mesoscopic systems, or artificial quantum coherent atoms. I present an on-chip, Josephson-junction based spectrometer which surpasses state-of-the-art instruments, works between 2-200 GHz, and is ideally suited for probing elementary excitations in mesoscopic systems. I describe the operating principle and design of the spectrometer, show spectra of several superconducting quantum circuits, and outline experiments to investigate single quasiparticles in superconductors.
Host: Brar
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Wednesday, October 9th, 2019

No events scheduled

Thursday, October 10th, 2019

Quantum computing with superconducting circuits
Time: 11:00 am
Place: 5310 Chamberlin
Speaker: Yu Chen , Google
Abstract: In this talk, I will review the recent progress in Google AI quantum team. I will discuss the development of our flagship processor based on superconducting qubits both with fixed and tunable coupling. I will demonstrate that the tunable coupling provides us great flexibility in developing two-qubit gates for error-corrections and near-term applications. I will show we have developed technologies that enables us to achieve high performance at a system level.
Host: Alex Levchenko
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Friday, October 11th, 2019

No events scheduled
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