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X-WR-CALNAME:Stewart Blusson Quantum Matter Institute
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X-WR-CALDESC:Events for Stewart Blusson Quantum Matter Institute
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BEGIN:VEVENT
DTSTART;TZID=America/Vancouver:20211104T100000
DTEND;TZID=America/Vancouver:20211104T110000
DTSTAMP:20211028T191645Z
CREATED:20211028T191424Z
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SUMMARY:Abhay Pasupathy: Recent progress in moiré materials
DESCRIPTION:https://ubc.zoom.us/j/66879995529?pwd=dHpQb25LSGVZK3ozY243em5tenRWQT09\nMeeting ID: 668 7999 5529\nPasscode: 113399 \n  \n\nSpeaker: Abhay Pasupathy\, Columbia University \nAbstract: I will discuss two recent sets of experiments from my group on moiré materials. In the first experiment\, I will discuss transport experiments on twisted bilayers of the monolayer semiconductor WSe2 (Wang et al\, Nature Materials 19\, 861 (2020) and Ghiotto et al Nature 597\, 345 (2021)). In these experiments\, we see the presence of an insulating state at half filling of the lowest subband of this material driven by electron correlations. I will describe our recent efforts to understand transport properties of this material and the evidence that there exist a ring of quantum critical points in this system at the metal-insulator transitions driven by doping and electric field. Time permitting\, I will then discuss scanning tunneling microscopy experiments on magic-angle twisted trilayer graphene where superconductivity has recently been observed. These imaging experiments show that the atomic and electronic structure of twisted trilayer graphene has a number of unique differences from its elder brother\, twisted bilayer graphene. I will speculate on the importance of these differences for superconductivity in this material. \n  \nBio: Abhay Pasupathy is a Professor of Physics at Columbia University (since 2009) and a group leader in the Condensed Matter Physics and Materials Science Department at Brookhaven National Laboratory (since 2019). His group uses scan probe microscopies and electron transport measurement to study emergent quantum phases in materials. Two-dimensional materials including exfoliated and thin-film grown materials are of particular interest.
URL:https://qmi.ubc.ca/event/abhay-pasupathy-recent-progress-in-moire-materials/
CATEGORIES:CM Seminar
ORGANIZER;CN="Kaho Saito":MAILTO:kaho.saito@ubc.ca
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BEGIN:VEVENT
DTSTART;TZID=America/Vancouver:20211116T140000
DTEND;TZID=America/Vancouver:20211116T150000
DTSTAMP:20211111T183730Z
CREATED:20211029T204737Z
LAST-MODIFIED:20211111T183730Z
UID:10000139-1637071200-1637074800@qmi.ubc.ca
SUMMARY:Careers in Industry
DESCRIPTION:Speakers: \n\nPrakash Verma\, PhD in Theoretical Chemistry (University of Florida)\, Computational Chemist\, 1Qbit – a scientist with a background in quantum chemistry research\, most of which is in developing and benchmarking computational tools to compute molecular properties accurately and efficiently.\nChristin Wiedemann\, PhD in Physics (University of Stockholm)\, Director of Quality Engineering\, Slalom Build\, – an inclusive leader focused on strategic planning\, team management\, data analysis and interpretation\, innovation\, coaching\, training\, mentoring\, software development and testing.\nReza Rezaee\, PhD in Physics (University of Tennessee)\, postdoctoral research fellow at the Department of Physics and Max Planck Centre for Extreme and Quantum Photonics\, University of Ottawa and an entrepreneur. His research includes exotic quantum light sources and quantum optics with years of experience in experimental physics and scientific instrumentation\, laser spectroscopy\, quantum sensing using color centers\, and laser scanning confocal microscopy. In addition to experimental physics\, he also has experience in computational quantum chemistry. His mission is to accelerate the commercialization of quantum technologies.
URL:https://qmi.ubc.ca/event/careers-in-industry/
CATEGORIES:Student event
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Vancouver:20211118T100000
DTEND;TZID=America/Vancouver:20211118T230000
DTSTAMP:20211115T185156Z
CREATED:20211115T161934Z
LAST-MODIFIED:20211115T185156Z
UID:10000144-1637229600-1637276400@qmi.ubc.ca
SUMMARY:Cory R. Dean: Towards realizing twistronics on demand
DESCRIPTION:Title: Towards realizing twistronics on demand\nSpeaker: Cory R. Dean\, Department of Physics\, Columbia University \nAbstract: The ability to isolate atomically thin crystals\, such as graphene\, boron nitride\, and the transition metal dichalcogenides\, and then mechanically layer them to form new heterostructures has driven a recent revolution in materials design. These layered structures are held together by weak van der waals forces\, rather than chemical bonding making it possible to readily mix and match 2D materials spanning a wide range of properties\, virtually at will. More recently it has been demonstrated that the weak interlayer coupling also makes it possible to arbitrarily tune the rotation angle between adjacent layers and that varying this twist angle can lead to dramatic transformations in electronic\, optical and magnetic of the combined heterostructure. Here I will discuss our ongoing efforts to develop in-situ control with the goal towards realizing dynamically tunable “twistronics”\, where twisted devices can be reconfigured and probed in real-time. I will discuss recent progress in terms of mechanical rotation of individual monolayers\, improved understanding of interfacial dissipation mechanisms\, implementation of in-situ feedback of twist angle and new approaches towards developing non-contact control of the heterostructure geometry at the nanoscale. Prospects for realizing a tunable quantum simulator in a solid state platform will be discussed.
URL:https://qmi.ubc.ca/event/cory-r-dean-towards-realizing-twistronics-on-demand/
CATEGORIES:CM Seminar
ORGANIZER;CN="Kaho Saito":MAILTO:kaho.saito@ubc.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Vancouver:20211125T100000
DTEND;TZID=America/Vancouver:20211125T230000
DTSTAMP:20211117T221913Z
CREATED:20211117T221519Z
LAST-MODIFIED:20211117T221913Z
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SUMMARY:Sinéad Griffin: Searching for New Matter
DESCRIPTION:Title: Searching for New Matter \nSpeaker: Sinéad Griffin\, Lawrence Berkeley National Laboratory \n  \nAbstract: \nThe past decade has seen a huge surge of interest in matter that cannot be described by our standard theories such as Landau-Ginzburg theory or the Standard Model. For example\, the theoretical proposal and subsequent experimental realization of topological phases in materials has ushered in a new era in the discovery of new forms of matter. On top of this\, how these new phases of matter interact with our conventional order parameters such as superconducting\, ferroelectricity\, and magnetism\, is an emerging area. In this talk\, I will discuss how theory and ab initio calculations have driven the discovery of such novel forms of matter\, with applications in classical and quantum computing. Finally\, I will discuss how such emergent phenomena in quantum materials are apt for exploring matter that cannot be described by the Standard Model – dark matter – and how materials-by-design approaches can suggest new and enhanced detection experiments for low-mass dark matter detection. \n  \nBio: \nSinéad Griffin is a staff scientist in the Materials Science Division and the Molecular Foundry at Berkeley Lab. Originally from Ireland\, her work as a theorist focuses on the description and discovery of quantum materials and physical phenomena at the nanoscale. The applications of Sinéad’s work range from new materials for energy and quantum computing to exploring the origins of the universe. Her awards include the Swiss Physical Society’s General Prize\, an MIT Rising Star in Physics\, the Falling Walls Bay Area Young Innovator of the Year\, and an ‘Emerging Leader’ from the Institute of Physics. Aside from her research\, she is involved with building a research network in condensed matter physics in Africa\, including being awarded an inaugural American Physical Society Innovation Fund grant to set up a US-Africa Workshop and Network. \n 
URL:https://qmi.ubc.ca/event/sinead-griffin-searching-for-new-matter/
CATEGORIES:CM Seminar
ORGANIZER;CN="Kaho Saito":MAILTO:kaho.saito@ubc.ca
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