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BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Penn Engineering Events - ECPv6.18.0//NONSGML v1.0//EN CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:Penn Engineering Events X-ORIGINAL-URL:https://seasevents.nmsdev7.com X-WR-CALDESC:Events for Penn Engineering Events REFRESH-INTERVAL;VALUE=DURATION:PT1H X-Robots-Tag:noindex X-PUBLISHED-TTL:PT1H BEGIN:VTIMEZONE TZID:America/New_York BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20190310T070000 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20191103T060000 END:STANDARD BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20200308T070000 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20201101T060000 END:STANDARD BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20210314T070000 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20211107T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTART;TZID=America/New_York:20200225T110000 DTEND;TZID=America/New_York:20200225T120000 DTSTAMP:20200211T144540Z CREATED:20200211T144540Z LAST-MODIFIED:20200211T144540Z UID:2651-1582628400-1582632000@seasevents.nmsdev7.com SUMMARY:ESE Seminar: "Quantum information processing with superconducting circuits: Purcell effect and the measurement problem" DESCRIPTION:Abstract\nWith recent advances in state preparation\, gate\, and measurement operations\, superconducting circuit architectures are now leading candidates for quantum information processing. As micro-fabricated circuits are scaled up towards a practical quantum processor\, strict requirements on the fidelity of operations required for quantum computation are imposed. For theorists\, this mandates the development of accurate models describing the dynamics of complex superconducting circuits subject to strong drives. \nThis talk will begin with an elementary introduction to such systems and their description in terms of quantum electrodynamics\, the fundamental theory of light-matter interactions. We will then address the problem of the Purcell effect\, which is the enhancement of the decay rate of a single qubit due to a linear electromagnetic environment\, and show how convergent results can be obtained without any artificial high-frequency cutoffs. We will also explain how the Purcell rate is further enhanced in the presence of the drive fields typically used to measure qubits\, which is a ubiquitous problem encountered in present-day experiments. URL:https://seasevents.nmsdev7.com/event/ese-seminar-quantum-information-processing-with-superconducting-circuits-purcell-effect-and-the-measurement-problem/ CATEGORIES:Colloquium ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu END:VEVENT END:VCALENDAR