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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:20260205T100000
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UID:9130-1770285600-1770289200@qmi.miffanytark.com
SUMMARY:CM Seminar: Topological Landau Theory\, Joseph Maciejko\, University of Alberta
DESCRIPTION:Speaker: Joseph Maciejko\, University of Alberta \nTime: 10:00-11:00am \nLocation: BRIM 311 \nTitle: Topological Landau Theory \nAbstract: I will discuss a notion of topology “hidden” in Landau’s theory of phase transitions. When the order parameter comprises several components in the same irreducible representation of symmetry\, it can possess a nontrivial topology and acquire a Berry phase under the variation of thermodynamic parameters. To illustrate this idea\, I will focus on the superconducting phase transition of an electronic system with tetragonal symmetry and a two-component order parameter. From the time-dependent Ginzburg-Landau equation in the adiabatic limit\, we find that the order parameter acquires a Berry phase after a cyclic evolution of parameters. I will discuss two concrete models — one preserving time-reversal symmetry and one breaking it — and show that the nontrivial topology of the order parameter originates from thermodynamic analogs of gapless Dirac and Weyl points in the phase diagram. Finally\, I will propose an experimental realization of a thermodynamic Dirac point in chiral superconductors under strain\, and its detectable signature in the Josephson effect\, the geometry of vortices\, and the upper critical field.
URL:https://qmi.miffanytark.com/event/cm-seminar-topological-landau-theory-joseph-maciejko-university-of-alberta/
CATEGORIES:CM Seminar
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DTSTART;TZID=America/Vancouver:20260210T100000
DTEND;TZID=America/Vancouver:20260210T110000
DTSTAMP:20260203T023855Z
CREATED:20260203T023855Z
LAST-MODIFIED:20260203T023855Z
UID:9161-1770717600-1770721200@qmi.miffanytark.com
SUMMARY:Special Seminar: 1+1>2: Electronic Structure and Spin Control by Proximitization of Layered Materials\, Oliver L.A. Monti\, The University of Arizona
DESCRIPTION:Title: 1+1>2: Electronic Structure and Spin Control by Proximitization of Layered Materials \nSpeaker: Oliver L.A. Monti\, Department of Physics\, Department of Chemistry and Biochemistry\, Applied Mathematics Program\, The University of Arizona \nAbstract: Layered materials provide an exceptional platform for manipulating electronic states and spin properties. Particularly in the realm of 2D materials\, examples range from the emergence of strongly correlated phases to exciton condensates and the appearance of multiferroicity. Key to these advances in creating a sandbox for materials “synthesis” is the concept of proximitization of two materials\, often involving few-layer structures of 2D materials. As versatile as this approach has proved to be\, the structural design space of layered materials remains limited\, e.g. excluding certain types of lattice geometries beyond hexagonal lattices completely and thus preventing the study of some of the most exciting classes of problems. \nThis need for increased structural richness may be bridgeable by proximitizing layered materials\, or quantum materials more broadly\, with molecules. The chemical space of molecules is enormous\, with subtle changes routinely accessible by synthetic chemists. I will show in this talk that this paradigm can indeed create unexpected and rich physics that allows tuning both spin and electronic structure\, including potentially correlations. We combine spin-\, time- and angle-resolved photoemission spectroscopy with advanced structural methods to reveal new ways of sculpting the interface\, opening pathways to ultrafast spintronic modalities and to new materials designs.
URL:https://qmi.miffanytark.com/event/special-seminar-112-electronic-structure-and-spin-control-by-proximitization-of-layered-materials-oliver-l-a-monti-the-university-of-arizona/
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DTSTART;TZID=America/Vancouver:20260212T100000
DTEND;TZID=America/Vancouver:20260212T110000
DTSTAMP:20260206T191900Z
CREATED:20260206T191900Z
LAST-MODIFIED:20260206T191900Z
UID:9167-1770890400-1770894000@qmi.miffanytark.com
SUMMARY:CM Seminar: Signature of preformed pairs in angle-resolved two-electron coincidence photoemission\, Janez Bonča\, University of Ljubljana.
DESCRIPTION:Speaker: Janez Bonča\, University of Ljubljana \nTime: 10:00-11:00am \nLocation: BRIM 311 \nTitle: Signature of preformed pairs in angle-resolved two-electron coincidence photoemission \nAbstract: We employ density matrix renormalization group (DMRG) and variational exact diagonalization (VED) to compute single- and two-electron removal spectra of the Hubbard–Holstein model at low electron densities. By tuning electron–phonon coupling and Hubbard repulsion\, we distinguish polaron and bipolaron liquids. While both are metallic\, the polaron liquid exhibits spectral weight up to the Fermi energy\, whereas the bipolaron liquid shows a gap set by the bipolaron binding energy\, suggesting that ARPES can identify liquids of preformed pairs. The bipolaron liquid is well approximated by a gas of hard-core bosons in momentum space [1]. \nTwo-electron coincidence spectra reveal distinct energy and momentum signatures for electrons emitted from the same versus different pairs. These generic fingerprints provide a route to detect pairing and distinguish coherent from incoherent pairs [2].  The pair binding energy can be read off directly from the 2eARPES intensity map when defined as a functiopn of the two distinct frequencies of ejected  photoelectrons. [3] \n  \n[1] K. Kovac\, A. Nocera\,  A.  Damascelli\,  J. Bonca\, and M. Berciu\, Phys. Rev. Lett. 134\, 096502 (2025). \n[2] J. Bonca\,  A.  Damascelli\,  M. Berciu\, under review. \n[3] J. Bonca\,  A. Nocera\, A.  Damascelli\,  M. Berciu\, in preparation.
URL:https://qmi.miffanytark.com/event/cm-seminar-signature-of-preformed-pairs-in-angle-resolved-two-electron-coincidence-photoemission-janez-bonca-university-of-ljubljana/
CATEGORIES:CM Seminar
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DTSTART;TZID=America/Vancouver:20260217T083000
DTEND;TZID=America/Vancouver:20260217T160000
DTSTAMP:20260203T025001Z
CREATED:20260203T025001Z
LAST-MODIFIED:20260203T025001Z
UID:9163-1771317000-1771344000@qmi.miffanytark.com
SUMMARY:Quantum Days 2026 Site Visits: Inside Canada’s Quantum Coast
DESCRIPTION:British Columbia’s research strength has fueled a world-class quantum sector\, home to globally recognized companies and a rapidly expanding cluster of industry.  As part of Quantum Days 2026\, participants are invited to explore this ecosystem through guided site visits showcasing the province’s quantum research and innovation hubs including  TRIUMF\, the University of British Columbia\, Simon Fraser University\, and the University of Victoria. \nVancouver & Burnaby \nSpend a full day visiting British Columbia’s leading quantum research facilities. The tour includes transportation between sites and lunch. \nFeature Locations \nTRIUMF\, UBC’s Blusson Quantum Matter Institute (UBC Blusson QMI)\, and SFU’s Silicon Quantum Technology Lab \nDate: Tuesday\, February 17\, 2026 (pre-conference) \nTime: meet at TRIUMF at 8:30am for coffee and check-in. Tour concludes at 4:00pm at SFU. \nRegistration for the Vancouver & Burnaby site visit is available as an add-on during event registration. \n*Additional registration required – limited space available. \nPlease register here. \nSite visit sponsored by
URL:https://qmi.miffanytark.com/event/quantum-days-2026-site-visits-inside-canadas-quantum-coast/
LOCATION:UBC Stewart Blusson Quantum Matter Institute\, 2355 East Mall\, Vancouver\, British Columbia\, V6T 1Z4\, Canada
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DTSTART;TZID=America/Vancouver:20260218T080000
DTEND;TZID=America/Vancouver:20260220T170000
DTSTAMP:20250922T194729Z
CREATED:20250922T194729Z
LAST-MODIFIED:20250922T194729Z
UID:9004-1771401600-1771606800@qmi.miffanytark.com
SUMMARY:Quantum Days 2026: Defining Canada's Quantum Future
DESCRIPTION:Quantum Days brings together Canada’s quantum ecosystem to define our quantum future–with researchers presenting breakthrough work\, companies showcasing real-world applications\, investors identifying the next big opportunities\, and policymakers charting the path ahead. This isn’t just another conference. It’s where Canada’s quantum hubs connect. Where research meets commercialization. Where academic discoveries become startup opportunities. Where careers launch and policy gets shaped by the people actually doing the work. This year’s conference Chair is UBC Blusson QMI Investigator Alannah Hallas. \nTo read the message from the Chair\, please click here. \nTo register please click here.
URL:https://qmi.miffanytark.com/event/quantum-days-2026-defining-canadas-quantum-future/
LOCATION:Victoria Conference Centre\, 720 Douglas St\, Victoria\, BC\, V8W 3M7
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DTSTART;TZID=America/Vancouver:20260226T100000
DTEND;TZID=America/Vancouver:20260226T110000
DTSTAMP:20260224T000532Z
CREATED:20260224T000532Z
LAST-MODIFIED:20260224T000532Z
UID:9183-1772100000-1772103600@qmi.miffanytark.com
SUMMARY:CM Seminar: Cryogenic electron microscopy of polar order in a quantum paraelectric\, Ismail El Baggari\, UBC
DESCRIPTION:Speaker: Ismail El Baggari\, UBC \nTime: 10:00-11:00am \nLocation: BRIM 311 \nTitle: Scanning transmission electron microscopy (STEM) now routinely resolves the atomic structure and chemistry of materials with sub-angstrom resolution. Recent advances in instrumentation further allow spatially resolved mapping of subtle\, picometer-scale atomic shifts that underpin emergent functional properties. In ferroelectrics\, for example\, polarization arises from tiny atomic displacements that break inversion symmetry; STEM can locally visualize these displacements and reveal novel polarization textures.  \nDespite this potential\, STEM applications have traditionally been restricted to room temperature (or higher) because of longstanding challenges in implementing stable liquid-helium cryogenic cooling\, such as vibrations and inadequate temperature control. My group has been addressing these limitations by developing dedicated liquid helium cryogenic STEM instrumentation to probe materials whose emergent properties appear only at low temperatures. We have now overcome key technical hurdles and can cool samples inside the microscope to cryogenic regimes down to ~20 K. I will present recent applications of cryogenic STEM to imaging order and disorder in ferroelectrics. In particular\, I will highlight quantum paraelectric SrTiO₃\, a material that hovers on the verge of ferroelectricity yet remains paraelectric to the lowest temperatures due to quantum fluctuations. Using cryogenic STEM\, we directly visualize emergent nanoscale polar textures and mesoscale correlations in this quantum paraelectric phase. \n  \nZhang et al. “Inverse Melting of Polar Order in Chemically Substituted BaTiO3.” Physical Review Letters 134.25 (2025) \nRennich\, et al. “Ultracold cryogenic TEM with liquid helium and high stability.” Proceedings of the National Academy of Sciences122.36 (2025) \nZhang et al. “Nanoscale Polar Landscapes in Quantum Paraelectric SrTiO3.” arXiv:2509.24969 (2025).
URL:https://qmi.miffanytark.com/event/cm-seminar-cryogenic-electron-microscopy-of-polar-order-in-a-quantum-paraelectric-ismail-el-baggary-ubc/
CATEGORIES:CM Seminar
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