Aust-EU colloquium EU-Aust colloquium. Strongly correlated pi-magnets driven by e-ph and e-e interaction

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  •  28 Aug 2024
     3:00 pm - 4:00 pm

Assoc. Prof. Pavel Jelinek, Institute of Physics of the Czech Acadamy of Sciences Catch up on the talk on YouTube Recent progress in on-surface chemistry enabled the synthesizing and characterizing of novel-conjugated carbon molecules with magnetic properties systems with unprecedented properties [1]. This route, complemented with high-resolution scanning probe imaging (SPM), provides new opportunities to Read More

Aust-EU colloquium. Single magnetic adatoms on superconductors – probed by scanning tunneling and Josephson spectroscopy

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  •  24 Jul 2024
     3:00 pm - 4:00 pm

Prof. Katharina J. Franke, Freie Universität Berlin Catch the talk on YouTube Magnetic adatoms on superconductors induce bound states – known as Yu-Shiba-Rusinov (YSR) states – inside the superconducting energy gap of the underlying substrate. These states have been widely characterized by scanning tunneling microscopy/spectroscopy (STM/STS), leading to a fundamental understanding on how spin-carrying orbitals Read More

AUST-US Colloquium. Observation of Pines’ Demon in Sr2RuO4 with Momentum-Resolved EELS

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  •  25 Oct 2023
     10:00 am - 11:00 am

Prof. Peter Abbamonte, Fox Family Professor of Engineering Department of Physics and Materials Research Laboratory, University of Illinois Missed the seminar. Catch up on YouTube The characteristic excitation of a metal is its plasmon, which is a quantized sound wave in its valence electron density. In 1965, David Pines predicted that a distinct type of Read More

Different Phases of Polariton Lasers

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  •  27 Sep 2023
     10:00 am - 11:00 am

Prof. Hui Deng, Professor in Physics, Applied Physics and Electrical Engineering, University of Michigan Missed the presentation? Catch up on FLEET’s YouTube channel Non-equilibrium systems can exhibit new types of phase transitions not found in equilibrium ones, such as spontaneous pattern formation and phase separation. An interesting platform for studying such phenomena is the exciton-polaritons Read More

EU-Aust colloquium. Exceptional non-Hermitian topology

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  •  23 Aug 2023
     3:00 pm - 4:00 pm

Prof. Flore Kunst, Max Planck Institute for the Science of Light, Germany. Catch up on Youtube While topological phases of matter have predominantly been studied for isolated Hermitian systems, a recent shift has been made towards considering these phases in the context of non-Hermitian Hamiltonians. Non-Hermitian topological phenomena reveal an enrichment of the phenomenology of Read More

US-Europe-AUST Colloqium. Quantum Geometry in flat-band superconductivity, Bose-Einstein condensation, light-matter interactions and nanophotonics

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  •  28 Jun 2023
     3:00 pm - 4:00 pm

Päivi Törmä, Department of Applied Physics, Aalto University, Finland Catch up on YouTube We have found that superconductivity and superfluidity have a connection to quantum geometry [1,2]. Namely, the superfluid weight in a multiband system has a previously unnoticed component which we call the geometric contribution. It is proportional to the minimal quantum metric of Read More

US-Aust colloquium. Exploring out of equilibrium physics in an open system with polariton lattices

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  •  24 May 2023
     3:00 pm - 4:00 pm

Jacqueline Bloch, Center for Nanoscience and Nanotechnology C2N / Université Paris Saclay/ CNRS, Palaiseau, France Photonic resonators, coupled within a lattice, have appeared in the recent years as a powerful synthetic platform to imprint on light some of the fascinating physical properties that can emerge in condensed matter, or even to go beyond what exists Read More

US-Aust Colloquium. Twists and turns of superconductivity from a repulsive interaction

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  •  26 Apr 2023
     10:00 am - 11:00 am

Prof. Andrey Chubukov,  Department of Physics, University of Minnesota Catch up on YouTube In this colloquium, I will review recent and not so recent works that aim to understand whether a nominally repulsive Coulomb interaction can give rise to superconductivity. I discuss a generic scenario of the pairing, put forward by Kohn and Luttinger back Read More

US-Aust Colloquium. Engineering topological phases with a superlattice potential

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  •  26 Oct 2022
     10:00 am - 11:00 pm

Assistant Professor, Jennifer Cano. Department of Physics and Astronomy, Stony Brook University, Flatiron Institute Missed the presentation? Catch up on FLEET’s YouTube Channel here Spontaneous symmetry breaking on the surface of a topological insulator can realize exotic quantum phases such as a quantum anomalous Hall insulator or topological superconductor. However, in all known 3D topological Read More

US-Aust Colloquium. The rich landscape of intertwined electronic phases in quantum materials

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  •  28 Sep 2022
     10:00 am - 11:00 am

Prof. Rafael M. Fernandes, University of Minnesota Catch up on YouTube Quantum materials encompass a wide family of systems that display many fascinating phenomena, from high-temperature superconductivity to topological order. They stand out not only as promising candidates for new technological applications, but also as windows into the fundamental microscopic properties of interacting electrons, whose Read More

US-Aust Colloquium. Superconductors and semiconductors, nanowires and majorana, research and integrity

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  •  24 Aug 2022
     10:00 am - 11:00 am

Sergey Frolov, University of Pittsburgh Watch on YouTube This talk will be on three topics, but in a way it is one. My research focus and passion is the proximity effect. It is when superconducting correlations are induced in a non-superconducting material. Because superconductivity is always tied to a spin order, proximity effects get especially Read More

US-Aust colloquium Topological Insulator States in Thin Films of Cadmium Arsenide

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  •  27 Jul 2022
     10:00 am - 11:00 am

Prof. Susanne Stemmer, Materials Research Lab, University of California, Santa Barbara Over the past decade, the unique properties of topological materials have generated huge excitement in the condensed matter physics community.  Recently, high-quality thin films of cadmium arsenide (Cd3As2), a three-dimensional Dirac semimetal in its bulk version, have emerged as a promising platform for the Read More

US-Aust Colloquium. Optical lattice clocks: From Timekeepers to Spies of the Quantum Realm

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  •  25 May 2022
     10:00 am - 11:00 am

Prof Ana Maria Rey, JILA, NIST and University of Colorado, Boulder Missed the talk? Catch up on YouTube. Harnessing the behavior of complex systems is at the heart of quantum technologies. Precisely engineered ultracold gases are emerging as a powerful tool for this task. In this talk I will explain how ultracold strontium atoms trapped Read More

Electronic Transport in Strain-Engineered Graphene

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  •  23 Mar 2022
     10:00 am - 11:00 am

Professor Nadya Mason, Rosalyn Sussman Yalow Professor in Physics, University of Illinois Urbana-Champaign Missed the seminar. Catch up on YouTube There is wide interest in using strain-engineering to modify the physical properties of 2D materials, for both basic science and applications. Deformations of graphene, for example, can lead to the opening of band gaps, as Read More

Phase transitions and critical states of monitored quantum systems

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  •  23 Feb 2022
     10:00 am - 11:00 am

Prof Ehud Altman, Professor of Physics, Berkleley University of California Catch-up: watch online Phase transitions emerging in monitored (observed) quantum systems force intriguing phase transitions that can affect the behaviour of the quantum circuits that make up quantum computers. The unique interplay of unitary gates, entanglement, measurement and noise in systems driven out of equilibrium Read More

Superfluids of Light

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  •  24 Nov 2021
     10:00 am - 11:00 am

Professor David Snoke, Distinguished Professor, Department of Physics and Astronomy, University of Pittsburgh Missed the talk? Catch up on youtube It is possible to engineer a system in which photons are “dressed” to have an effective mass and repulsive interactions. In this case, they obey the same equations as bosonic atoms and can undergo Bose-Einstein Read More

Topological Materials for Low-energy Electronics

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  •  10 Nov 2021
     9:00 am - 10:00 am

Prof. Michael Fuhrer, School of Physics and Astronomy, and ARC Centre of Excellence in Future Low-Energy Electronics Technologies, Monash University. Missed the seminar. Catch up on YouTube The impending end of Moore’s Law has prompted a search for a new computing technology with vastly lower energy consumed per operation than silicon CMOS. The recent discovery Read More

Semiconductor Moiré Superlattices: a New Material Platform for Quantum Information Science

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  •  27 Oct 2021
     10:00 am - 11:00 am

Professor Xiaoqin (Elaine) Li, Professor of Physics, University of Texas-Austin Zoom registration Meeting ID: 883 1736 6970  Passcode: 12345 When two atomically thin van der Waals (vdW) layers are vertically stacked together, the atomic alignment between the layers exhibits periodical variations, leading to a new type of in-plane superlattices known as the moiré superlattices. The Read More

Quantum stochastic resonance of individual Fe atoms

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  •  13 Oct 2021
     9:00 am - 10:00 am

Prof. Susan Coppersmith, Head of School of Physics, University New South Wales (UNSW), FLEET Associate Investigator, Research Theme 1: Topological Dissipationless Systems. Missed the presentation? Catch up on YouTube Stochastic resonance, where noise synchronizes a system’s response to an external drive, is a phenomenon that occurs in a wide variety of noisy systems ranging from Read More

Dark-Matter Challenges of the Solid State

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  •  23 Sep 2021
     10:00 am - 11:00 am

Prof. Piers Coleman, Center for Materials Theory, Dept Physics and Astronomy, Rutgers University, Dept Physics, Royal Holloway University, London. Missed the colloquium? Catch up on YouTube At the turn of the 20th century, physicists faced an uncanny range of unsolved problems: simple questions, such as why hot objects change color, why matter is hard and Read More

Exploring non-Hermitian physics with exciton polaritons

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  •  9 Sep 2021
     9:00 am - 10:00 am

Prof Elena Ostrovskaya Australian National University the Research School of Physics, the Australian National University Exciton polaritons are hybrid light-matter bosons formed by excitons in semiconductors strongly coupled to microcavity photons. Sufficiently strong optical pumping can drive exciton-polaritons to a macroscopically occupied coherent state similar to a Bose-Einstein condensate. The same optical pump that injects Read More

Inverse designed integrated photonics

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  •  25 Aug 2021
     10:00 am - 11:00 am

Prof. Jelena Vuckovic, Stanford University Missed the colloquium. Catch up on Youtube Meeting ID: 839 7484 9616 Passcode: 12345 Photonics with superior properties can be implemented in a variety of old (silicon, silicon nitride) and new (silicon carbide, diamond) photonic materials by combining state of the art photonics optimization techniques (photonics inverse design) with new Read More

Research seminar: Jennifer MacLeod – Controlling the growth of molecular nanoarchitectures on surfaces

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  •  4 Aug 2021
     2:00 pm - 3:00 pm

Associate Professor, Jennifer MacLeod, School of Chemistry and Physics, Queensland University of Technology Register in advance for this meeting After registering, you will receive a confirmation email containing information about joining the meeting. All welcome – please share the seminar flyer with your network. Abstract Bottom-up approaches hold the promise of targeted design of nanomaterials. Read More

US-AUST TRANSPACIFIC COLLOQUIUM. Domain and skyrmion bound states on the surface of magnetic topological insulators

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  •  28 Jul 2021
     10:00 am - 11:00 am

Associate Professor, Tami Pereg-Barnea, Department of Physics, McGill University Catch up online A 3D topological insulator (TI) hosts an odd number of Dirac cones as its 2D surface states spectrum. The states are exponentially localized to the surface and their (pseudo)spin is locked to the surface momentum direction due to spin-orbit interaction. If the TI Read More

US-Aust. Transpacific Colloquium – Prof Gil Refael: Topological physics at the light-matter interface

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  •  24 Mar 2021
     10:00 am - 11:00 am

If you missed the talk, you can catch it on YouTube AUST 24 February, 10am (AEDT – Melbourne) USA 23 February 7pm (EDT – New York) | 4pm (PDT – Los Angeles) Prof. Gil Refael Taylor W. Lawrence Professor of Theoretical Physics, Caltech Topological phases have been dominating the limelight in the past 10 years. Read More