Events

SBQMI hosts numerous academic and other events throughout the year. Please search by audience or event type, or enter a keyword, to find events of interest to you.

If you are interested in inviting our faculty as keynote speakers at your event, or are a school group interested in visiting our labs, please contact us to submit your request.

Quantum simulation with superconducting circuits

20 Feb2017

Speaker: Dr. Oleksandr Kyriienko, Postdoctoral Researcher at the Niels Bohr Institute (Copenhagen, Denmark)

Time: Monday February 20th, 2017, 1:30 pm

Location: AMPEL 311

The general goal of a quantum simulator is to mimic the behaviour of a system of interest using another well-controlled quantum setup. Offering a potential to solve classically intractable quantum problems, it will allow to study complex quantum systems and answer fundamental questions of nature. This is also of vast importance from the applied point of view, with examples...

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Mott Insulator versus Bose glass in nanostructured Josephson junction chains

16 Feb2017

Speaker: Timothy Duty, EQuS - ARC Centre for Engineered Quantum Systems and School of Physics, University of New South Wales

Time: Thursday February 16, 2017 2:00 - 3:00

Location: Hennings 318

The low-temperature states of bosonic condensates exhibit fundamental quantum effects at the macroscopic scale such as supercurrents. The combined effects of interaction and disorder in these can have drastic consequences, leading to the Mott insulator and Bose-Anderson glass. The latter is thought to describe helium-4 in porous media, cold atoms in disordered optical potentials, isordered magnetic insulators, and thin...

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Dopants and Charge Carriers in Colloidal Quantum Dots

09 Feb2017

Speaker: Daniel R. Gamelin, Department of Chemistry, University of Washington

Time: Thursday February 9, 2017 2:00 - 3:00

Location: Hennings 318

The physical properties of inorganic crystalline materials can be dramatically transformed by controlled introduction of impurities or other defects, without which most semiconductor technologies including transistors, diodes, and solar cells would not be possible. The development and characterization of high-quality doped inorganic crystals has consequently been a perennial research frontier. This talk will describe some of our group’s recent...

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What can defect bound states tell us? A case study of superconducting LiFeAs

06 Feb2017

Speaker: Shun Chi, Department of Physics & Astronomy, UBC

Time: February 6, 2017 1:00 - 2:00

Location: AMPEL 311

Defect physics is one the driving forces required to understand the mechanism of superconductivity. In conventional s-wave superconductors, only magnetic defects (impurities) exhibit impurity bound states, whereas for a sign-change order parameter they can occur for both magnetic and nonmagnetic defects. Impurity bound states in superconductors can thus provide important insight into the order parameter. Here, I will present...

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Sliced Basis Set Approach to Quantum Chemistry with DMRG

26 Jan2017

Speaker: Miles Stoudenmire, UC Irvine

Time: January 26, 2017 2:00 - 3:00

Location: Hennings 318

Though the density matrix renormalization group (DMRG) is a powerful technique for strongly correlated problems in quantum chemistry, it is not without drawbacks. I will describe a new method for applying DMRG to quasi-1d chemical systems combining a grid approximation of the continuum along one direction with a basis set approximation along the other two directions. Combined with techniques...

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Chiral spin liquids in SU(N) fermionic Mott insulators with artifical gauge fields

20 Jan2017

Speaker: Miklos Lajko, Ecole Polytechnique Federale de Lausanne

Time: January 20, 2017 2:00 - 3:00

Location: Hennings 318

With the recent progress towards achieving SU(N) symmetry with ultracold fermionic atoms [1], the investigation of the effective SU(N) Heisenberg model on various one- and two-dimensional lattices has become a very active field of research. The appearance of chiral phases in these systems was first proposed by Hermele et al. [2] showing that chiral phases may stabilize in a...

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Electronic Structure of Metal Halide Perovskite Surfaces and Interfaces

19 Jan2017

Speaker: Antoine Kahn, Princeton University

Time: January 19, 2017 2:00 - 3:00

Location: Hennings 318

The formidable promises of a recently “re-discovered” class of semiconductors, i.e. the organic/inorganic halide perovskites (HOIP) such as methylamonium lead tri-iodide (MAPbI3), and the rapid and steady rise in device performance achieved with these materials over the past six years, have triggered a flurry of research all over the world. This talk reviews our efforts to understand key interfaces...

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Exploratory Synthesis and Property Investigation of Novel Functional and Superconducting Materials

16 Jan2017

Speaker: Nikolai Zhigadlo, Department of Chemistry and Biochemistry, University of Bern

Time: January 16, 2017 2:00 - 3:00

Location: AMPEL 311

In this talk I will provide some new insights into the material exploratory synthesis and the crystal growth of various intermetallic and oxide compounds, including high-temperature copper-based superconductors, magnesium diboride, pyrochlores, ternary perovskite-based superconductors, Fe-based pnictides, and two-dimensional van der Waals semiconductors. The availability of high-quality single crystals has proved crucial in investigating their intrinsic magnetic, electronic and thermodynamic...

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Ultrafast Optical Control of Complex Quantum Materials

12 Jan2017

Speaker: Stefan Kaiser, 4th Physics Institute, University of Stuttgart and Max-Planck Institute for Solid State Research

Time: January 12, 2017 2:00 - 3:00

Location: Hennings 318

It is well known fact that various phase transitions in condensed matter can by triggered by external parameters such as temperature, pressure, electric field or magnetic field. Finding systems that show phase transitions triggered by external stimulation of light became a particular interesting field of research.

Advanced nonlinear optical methods such as ultra-broad band pump-probe spectroscopy open...

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Symmetries in Anyon Systems

05 Jan2017

Speaker: Fiona Burnell, School of Physics and Astronomy, University of Minnesota

Time: January 5, 2017 2:00 - 3:00

Location: Hennings 318

The past decade has seen a number of advances in our understanding of how phases of matter can be distinguished by phenomena other than spontaneous symmetry breaking, notably through global topological properties, such as emergent quasiparticles with fractional statistics known as anyons, or symmetry-protected gapless boundary states. A particularly rich set of possibilities comes from combining these two, and...

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