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X-WR-CALNAME:Stewart Blusson Quantum Matter Institute
X-ORIGINAL-URL:https://qmi.miffanytark.com
X-WR-CALDESC:Events for Stewart Blusson Quantum Matter Institute
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DTSTART;TZID=America/Vancouver:20240201T100000
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DTSTAMP:20240130T212209Z
CREATED:20240130T212209Z
LAST-MODIFIED:20240130T212209Z
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SUMMARY:CM Seminar: Hao Tjeng – Max Planck Institute: Stabilization of U 5f2 configuration in UTe2 through U 6d dimers in the presence of Te2 chains
DESCRIPTION:Hao Tjeng – Max Planck\nTitle: Stabilization of U 5f2 configuration in UTe2 through U 6d dimers in the presence of Te2 chains \nAbstract: We investigate the topological superconductor candidate UTe2 using high-resolution valence-band resonant inelastic x-ray scattering at the U M4\,5-edges. We observe atomic-like low-energy excitations that support the correlated nature of this unconventional superconductor. These excitations originate from the U 5f2 configuration\, which is unexpected since the short Te2-Te2 distances exclude Te2 being 2-. By utilizing the photoionization cross-section dependence of the photoemission spectra in combination with band structure calculations\, we infer that the stabilization of the U 5f2 configuration is due to the U 6d bonding states in the U-dimers acting as a charge reservoir. Our results emphasize that the description of the physical properties should commence with a 5f2 ansatz. \nSpeaker Bio: Prof. Tjeng has been Director and Scientifc member at the Max Planck Institute for Chemical Physics of Solids since October 2009. He is an experimental physicist and has previously been associated with the Royal Netherlands Academy of Sciences\, the Solid State Physics Laboratory\, University of Groningen\, The Netherlands\, and the University of Cologne\, Germany.
URL:https://qmi.miffanytark.com/event/cm-seminar-hao-tjeng-max-planck-institute-stabilization-of-u-5f2-configuration-in-ute2-through-u-6d-dimers-in-the-presence-of-te2-chains/
CATEGORIES:CM Seminar
ORGANIZER;CN="Aditi Adhikari":MAILTO:aditi.adhikari@ubc.ca
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BEGIN:VEVENT
DTSTART;TZID=America/Vancouver:20240208T100000
DTEND;TZID=America/Vancouver:20240208T110000
DTSTAMP:20240123T175112Z
CREATED:20240123T175112Z
LAST-MODIFIED:20240123T175112Z
UID:6851-1707386400-1707390000@qmi.miffanytark.com
SUMMARY:CM Seminar: James McIver– Columbia University: Ultrafast optoelectronic circuits
DESCRIPTION:CM Seminar: James McIver– Columbia University\nTitle: Ultrafast optoelectronic circuits \nAbstract: Ultrafast optoelectronic circuits offer new opportunities for investigating and controlling the electrical responses of microstructured quantum materials and heterostructures at femtosecond timescales and THz frequencies. Based on metal waveguides and laser-triggered photoconductive switches\, these chip-scale circuits can be interfaced to quantum materials to directly probe the ultrafast flow of electrical currents or perform near-field THz spectroscopy on length scales orders of magnitude smaller than the diffraction limit. \nIn this talk\, I will present on my group’s activities using these circuits to study the electrical transport properties of quantum materials driven out of equilibrium by femtosecond laser pulses [1]. In monolayer graphene\, we observe an anomalous Hall effect induced by circularly polarized light in the absence of an applied magnetic field [2]. The dependence of the effect on a gate potential used to tune the Fermi level reveals multiple features that reflect the formation of a photon-dressed\, or “Floquet-engineered”\, topological band structure. The results are a critical first step towards realizing and controlling light-induced topological edge states. I will also discuss our recent results on the Weyl semimetal Td-MoTe2\, where we observe rectified photocurrents that scale linearly with the applied laser field. This scaling violates the perturbative description of nonlinear optics/transport\, but can be explained by the formation of a photon-dressed magnetic Weyl semimetal state. \nIn the second part of my talk\, I will present on my group’s efforts in using femtosecond voltage pulses generated on-chip to probe and manipulate gate-tunable van der Waals heterostructures embedded in plasmonic cavities. We perform near-field time-domain THz spectroscopy on these cavities to study the light-matter hybridization. We observe coherent plasmon cavity modes that can be tuned from the weak to ultrastrong coupling regimes with electrostatic gating and cavity geometry. These techniques\, which we are extending to mK temperatures and strong magnetic fields\, could be used to investigate and control a wide range of topological and strongly correlated phenomena in microstructured quantum materials and heterostructures that fall on the THz/meV energy scale.
URL:https://qmi.miffanytark.com/event/cm-seminar-james-mciver-columbia-university/
CATEGORIES:CM Seminar
ORGANIZER;CN="Aditi Adhikari":MAILTO:aditi.adhikari@ubc.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Vancouver:20240214T100000
DTEND;TZID=America/Vancouver:20240214T110000
DTSTAMP:20240122T231436Z
CREATED:20240122T231436Z
LAST-MODIFIED:20240122T231436Z
UID:6843-1707904800-1707908400@qmi.miffanytark.com
SUMMARY:Unboxing Quantum 2024: Navigating the Nanoscale for Novel Applications
DESCRIPTION:Mark your calendars for a journey into the microscopic realm of quantum technologies with the inaugural event of the 2024 Unboxing Quantum Series: Navigating the Nanoscale for Novel Applications. \nCo-hosted by the Stewart Blusson Quantum Matter Institute (Blusson QMI) and UBC Advanced Nanofabrication Facility (ANF)\, the event takes place virtually from 10:00 am to 11:00 am (PT) on February 14\, 2024. \n \nModerated by Blusson QMI Postdoctoral Fellow Kirsty Gardner\, the panel features speakers active in academia and industry\, providing the quantum community with an insider’s perspective on the research and development partnerships shaping the future of BC and Canada. \nSpeakers: \n– Pinder Dosanjh\, Facilities Director\, Quantum Collaboratory (BC node)\, Blusson QMI \n– Carlos Gerardo\, Director of R&D\, Sonus Microsystems \n– Matthew Mitchell\, Photonic Integration Lead\, Dream Photonics \nUBC’s ANF is a world-leading device manufacturing facility bringing together partners from across academia\, industry and government to reinforce Canada’s position as a leader in developing next-generation quantum devices and technologies. Both Sonus Microsystems and Dream Photonics are users of the ANF. \nWe encourage you to prepare any questions you may have\, as the event will include a Q&A session with our panelists. We look forward to your participation in what promises to be an insightful event. \nRegistration is free with limited capacity – secure your spot today! \nRegister here
URL:https://qmi.miffanytark.com/event/unboxing-quantum-2024-navigating-the-nanoscale-for-novel-applications/
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DTSTART;TZID=America/Vancouver:20240215T100000
DTEND;TZID=America/Vancouver:20240215T110000
DTSTAMP:20240123T175412Z
CREATED:20240123T175412Z
LAST-MODIFIED:20240123T175412Z
UID:6853-1707991200-1707994800@qmi.miffanytark.com
SUMMARY:CM Seminar: James Analytis – UC Berkley: Frustrated Quantum Devices: understanding how correlations\, complex order and boundary states manifest in novel material functionalities
DESCRIPTION:CM Seminar: James Analytis – UC Berkley \nTitle: Frustrated Quantum Devices: understanding how correlations\, complex order and boundary states manifest in novel material functionalities \nAbstract: Materials at the boundary of critical phase transitions are of significant fundamental interest\, not least due because of their connection to unconventional superconductivity and quantum magnetism. One characteristic of such systems is the presence of coupled order parameters that underlie these phase transitions. Here\, we explore how this coupling manifests in the response of these materials when driven out of equilibrium by applied currents. We demonstrate how magnetic and charge textures can be electrically manipulated\, suggesting possible applications for exotic materials in spintronics technologies. \n 
URL:https://qmi.miffanytark.com/event/cm-seminar-james-analytis-uc-berkley-frustrated-quantum-devices-understanding-how-correlations-complex-order-and-boundary-states-manifest-in-novel-material-functionalities/
CATEGORIES:CM Seminar
ORGANIZER;CN="Aditi Adhikari":MAILTO:aditi.adhikari@ubc.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Vancouver:20240221T080000
DTEND;TZID=America/Vancouver:20240223T170000
DTSTAMP:20240206T170514Z
CREATED:20240206T170514Z
LAST-MODIFIED:20240206T170514Z
UID:7074-1708502400-1708707600@qmi.miffanytark.com
SUMMARY:Quantum Days
DESCRIPTION:Quantum Days 2024 \nThis February\, Quantum Days 2024 will convene Canada’s quantum community to discuss the latest discoveries at the forefront of quantum research\, explore real-world applications\, and engage with government and industry leaders driving quantum advancements across various sectors. This year’s event is hosted in the city of Calgary and runs from February 21 to 23. \nOn February 21\, from 11:10am to 12:10pm (MST)\, Blusson QMI Investigator Ziliang Ye will speak as part of a panel discussion on the role of quantum materials in the development of quantum science and technology. \nOn February 22\, from 2:30pm-3:30pm (MST)\, Blusson QMI Investigator Joseph Salfi will be part of a quantum showcase session on the cutting-edge advancements\, breakthroughs\, and insights shaping Canada’s quantum landscape. \nA Poster Prize Ceremony will take place on February 23 from 12:00pm to 12:15pm (MST). The prizes will be presented by Mitacs CEO John Hepburn and Poster Session Chair Ziliang Ye. \nLearn more about the event here. \nTicket sales for Quantum Days 2024 will close on February 13 – to register\, please see here.
URL:https://qmi.miffanytark.com/event/quantum-days/
LOCATION:City of Calgary\, Calgary\, Alberta\, Canada
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Vancouver:20240222T130000
DTEND;TZID=America/Vancouver:20240222T140000
DTSTAMP:20240228T191907Z
CREATED:20240228T191907Z
LAST-MODIFIED:20240228T191907Z
UID:7101-1708606800-1708610400@qmi.miffanytark.com
SUMMARY:CM Seminar: David Goldhaber-Gordon – Stanford University: Electrons in twisted layers: design\, surprise\, and a new set of eyes
DESCRIPTION:David Goldhaber-Gordon – Stanford University\nTitle: Electrons in twisted layers: design\, surprise\, and a new set of eyes \nAbstract: When two atomically-thin layers of a material are stacked one atop each other\, with a relative twist angle between them\, properties can emerge that bear little resemblance to the behavior of the individual layers. Though much can be predicted and designed about such structures\, I will share two vignettes about how my students aimed for a particular behavior but found something quite different. The first led to the discovery of the first experimentally-known “orbital magnet”\, a ferromagnet in which the tiny microscopic magnets that align with each other are not electron spins but tiny circulating current loops. The second surprise was observation of resistance that skyrocketed with the application of a magnetic field\, along with other striking electronic properties — this one took years to figure out\, but we’ve recently explained it. \nEach of these two surprises turned out to be caused by a structural feature of the layered stack which had not previously been considered important. Finally\, I’ll describe a refined approach to stacking and a newly-developed technique for mapping the structure of twisted layers\, which together might help us get more repeatable control of structure and thus electronic properties in such twisted systems.
URL:https://qmi.miffanytark.com/event/cm-seminar-david-goldhaber-gordon-stanford-university-electrons-in-twisted-layers-design-surprise-and-a-new-set-of-eyes/
ORGANIZER;CN="Aditi Adhikari":MAILTO:aditi.adhikari@ubc.ca
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Vancouver:20240229T100000
DTEND;TZID=America/Vancouver:20240229T110000
DTSTAMP:20240214T190047Z
CREATED:20240214T190047Z
LAST-MODIFIED:20240214T190047Z
UID:7086-1709200800-1709204400@qmi.miffanytark.com
SUMMARY:CM Seminar: Ania Bleszynski Jayich – University of California Santa Barbara: Quantum sensing in the solid-state: from one spin to many spins
DESCRIPTION:CM Seminar: Ania Bleszynski Jayich – University of California Santa Barbara\nTitle: Quantum sensing in the solid-state: from one spin to many spins \nAbstract: Sensors that leverage quantum phenomena to measure physical quantities harbor many attractive features beyond classical sensors. Solid-state quantum sensors\, with the nitrogen-vacancy (NV) center in diamond a forefront technology\, are particularly attractive for their compatibility with biological and condensed matter systems\, offering ultra-high spatial resolution and sensitivity over a wide temperature range\, while being quantitative and non-invasive. Here I first present our group’s work on NV-center-based scanned probe imaging of electron flow patterns in graphene\, revealing the presence of hydrodynamic electron flow. A frontier of quantum sensing is the utilization of entangled quantum sensors for metrological advantage\, a goal not yet realized in the solid-state. I also discuss our group’s progress towards realizing novel many-body states of entangled spins\, both diamond-based qubits and novel chemically-assembled molecular spin systems. \nSpeaker Bio: Ania Bleszynski Jayich is a professor of physics at the University of California Santa Barbara\, where she holds the Bruker Endowed Chair for Science and Engineering\, the Elings Endowed Chair for Quantum Science\, and is co-director of the Quantum Foundry\, an NSF Q-AMASE-I center. Her research interests include quantum assisted sensing and imaging on the nanoscale\, spin-coupled optomechanics\, and hybrid quantum systems for sensing and quantum information. Before coming to UCSB\, Ania was a postdoctoral researcher at Yale University\, and received her PhD in physics from Harvard in 2006 and a B.S. in physics and mathematical and computational science from Stanford in 2000. \n 
URL:https://qmi.miffanytark.com/event/cm-seminar-ania-bleszynski-jayich-university-of-california-santa-barbara-quantum-sensing-in-the-solid-state-from-one-spin-to-many-spins/
CATEGORIES:CM Seminar
ORGANIZER;CN="Aditi Adhikari":MAILTO:aditi.adhikari@ubc.ca
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