Previous Events

To see the upcoming events and seminars, please check the Events page.

Event Name Date, Time and Host Summary
Photoelectron Spectroscopy and First-Principles Studies of 2D Topological Semimetals and Interfacial Topological Superconducting States
event
-
place
Physics Library
group
Guang Bian
Two-dimensional (2D) materials have emerged as a central focus in condensed matter physics since the discovery of graphene, owing to their atomic-scale confinement, mechanical flexibility, and tunable electronic structures. The interplay between reduced… Show more

Speaker: Dr. Johnson Lu, Oak Ridge National Laboratory

Quantum Technologies with Light-Matter Interaction
event
-
place
Physics 223A
group
Pontus Laurell
Abstract: From knotted cords to contemporary computers, the revolution in information technologies has been a major driving force of human civilization. Since its emergence in the early 1900s, quantum mechanics has played a foundational role in enabling many… Show more

Speaker: Prof. Chuanwei Zhang, Department of Physics, Washington University in St. Louis

Coherent control of wave propagation in opaque materials
event
-
place
Physics 223A
group
Pavlo Sukhachov
Concept of diffusion is widely used to describe propagation of light through multiple scattering media such as clouds, interstellar gas, colloids, paints, biological tissue, etc. Such media are often called random. This terminology is, however, misleading.… Show more

Speaker: Prof. Alexey Yamilov, Department of Physics, Missouri S & T

Light alkane conversion through catalytic structures and pathways design
event
-
place
Physics Library - Room 223A
group
Guang Bian
Light alkane, such as ethane and propane, are ubiquitous in natural gas and the by-products of the various waste-, biomass-, and power-to-X processes. However, the transformations of light alkane, due to the inert C-H bonds, remain a formidable challenge.… Show more

Speaker: Prof. Yizhi Xiang, University of Missouri

Entangled Pauli Principles
event
-
place
Physics 223A
group
Pavlo Sukhachov
Abstract: One of the enduring questions in the study of strongly correlated electrons is how to read the universal, long-distance physics directly from a microscopic Hamiltonian. In fractional quantum Hall systems, certain solvable models achieve this through… Show more

Speaker: Prof. Alexander Seidel, Department of Physics, Washington University in St. Louis

Electron Transport and Topological Hall Effect in Skyrmion Crystals
event
-
place
Physics Library
group
Guang Bian
Magnetic skyrmions are topologically protected spin configurations that have gained enormous interest as building blocks for next-generation spintronic devices. A distinctive feature of skyrmion systems is the topological Hall effect (THE): when electrons… Show more

Speaker: Prof. Sashi Satpathy, University of Missouri

Multiferroic phase transitions in polar magnets
event
-
place
Physics 223A
group
Tom Heitmann
Multiferroics refers to compounds where more than one ferroic order such as (anti)ferromagnetism, ferroelectricity, ferroelasticity etc. coexist. The coupling between the various ferroic orders allows for cross-control of the related order parameters, the most… Show more

Speaker: Dr. Narendirakumar Narayanan, MURR

Designer Flat Bands and Emergent Quantum Properties of Moiré Systems
event
-
place
Physics 223A
group
Pontus Laurell
Moiré patterns are well known in the visual arts and textile industries—the term comes from the textured patterns seen in mohair silk fabrics. It arises whenever two periodic structures are superimposed, giving rise to new periodicities. Remarkably, applying these… Show more

Speaker: Prof. Shaffique Adam, Department of Physics, Washington University in St. Louis

Exploring Carrier Transport Regimes in Solids Using Transient Absorption Microscopy
event
-
place
Physics 223A
group
Pontus Laurell
Transient absorption microscopy (TAM), based on femtosecond lasers, has emerged as a powerful tool for investigating the ultrafast excitation dynamics of photoexcited carriers, particularly their real-space transport properties, in solid-state materials. In this… Show more

Speaker: Prof. Hui Zhao, Department of Physics & Astronomy, The University of Kansas

First-principles real-time dynamics of charge current and spin current in the study of topological & geometrical natures of condensed matter band states
event
-
place
Physics Library, room 223a
group
Carsten Ullrich
First-principles real-time dynamics of charge current and spin current in the study of topological & geometrical natures of condensed matter band states Noejung Park (noejung@unist.ac.kr)Ulsan National Institute of Science and Technology (UNIST), Department… Show more

Speaker: Noejung Park

Computational insights into long-range charge transfer processes in redox proteins
event
-
place
Physics Library, room 223a
group
Pavlo Sukhachov
 Long-range charge transfer processes - transmission of electrons and protons over long distances - play a fundamental role in cellular metabolism. In my research, I employ multi-scale computational methods to track charge transfer processes in complex… Show more

Speaker: Dear Dr. Oleksii Zdorevskyi, University of Helsinki

Bioprinting and 3D-Cell Assays Using Microgel Support Baths
event
-
place
Physics room 223a
group
Pontus Laurell
At relatively low polymer concentrations, granular hydrogel particles, commonly called microgels, undergo a jamming transition and behave like a soft elastic solid with reversible yielding. Over the past decade, these microgel packings have been utilized as… Show more

Speaker: Prof. Christopher S. O'Bryan, Department of Mechanical and Aerospace Engineering, MU

Quantum-Enhanced Sensing via Squeezed Light and On-Chip Optical Resonators
event
-
place
Physics Library
group
Guang Bian
Quantum sensing enables precision measurements beyond classical limits by exploiting quantum properties such as entanglement and squeezing. These resources allow us to detect extremely weak signals—such as minute magnetic fields, subtle forces, or small phase shifts—… Show more

Speaker: Dr. Fu Li, Department of Electrical and Systems Engineering at Washington University in St. Louis

Computational design of optimal heterostructure materials for monoclinic Ga2O3
event
-
place
Physics room 223a
group
Pontus Laurell
Ga2O3, a wide-band gap semiconductor, is of interest for high-power devices and deep-UV photodetectors. Many of these applications require the formation of heterostructures to create a conduction-band offset to confine charge carriers. This is commonly achieved… Show more

Speaker: Prof. Hartwin Peelaers, Department of Physics & Astronomy, The University of Kansas

Spectrum of Insight in Transition Metal Dichalcogenides Moiré Superlattices
event
-
place
Physics room 223a
group
Pontus Laurell
Abstract: Moiré superlattices in two-dimensional (2D) materials represent a highly promising platform for uncovering and controlling novel quantum phenomena. The robust excitonic responses observed in transition metal dichalcogenides (TMDs) provide a powerful means… Show more

Speaker: Xi Wang, Department of Physics, Washington University in St. Louis

Towards the Full Configuration Interaction limit: A Decade of Progress in Molecular Electronic Structure Theory
event
-
place
Physics room 223a
group
Pontus Laurell
Abstract: The calculation of the ground-state electronic energy of a molecule is one of the primary tasks of quantum chemistry. In this talk, we survey recent progress for this task using benzene, the chromium dimer, and the FeMo cofactor as representative systems.… Show more

Speaker: Prof. Kurt Brorsen, Department of Chemistry, MU

Towards a Better Understanding of the Transient Flow and Heat Transfer Fundamentals via Advanced Instrumentation and Physics-Based Modeling
event
-
place
223A
group
Guang Bian
Accelerating the development and deployment of advanced energy systems is crucial in an increasingly “energy-hunger” world, especially with the advent of AI era. In today’s U.S. energy market, nuclear power accounts for 20% of the total electricity generation… Show more

Speaker: Prof. Yue Jin, Department of Mechanical & Aerospace Engineering, University of Missouri

Exploring the Fascinating Properties of Complex 2D Chalcogenides synthesized via the Building Block Approach
event
-
place
Physics Library
group
Guang Bian
In recent years Choudhury lab has designed a series of 2D quaternary chalcogenides involving a variety of building units, including simple tetrahedral, supertetrahedral, and ethane-like moieties. These 2D materials are synthesized by a building-block approach, in… Show more

Speaker: Prof. Amitava Choudhury, Department of Chemistry, Missouri S & T

Rotational symmetry breaking in both normal and superconducting states in topological half-Heusler YPtBi
event
-
place
Physics room 223a
group
Pontus Laurell
Abstract:The surface state of a topological material is widely regarded as a promising platform for next-generation information technology, such as a topological quantum computer utilizing the Majorana zero mode. Materials exhibiting such topological surface states… Show more

Speaker: Prof. Hyunsoo Kim, Department of Physics, Missouri S & T

Ferroic Materials: Designed and Probed using Electrons
event
-
place
Physics room 223a
group
Pontus Laurell
Abstract: Advances in supercomputing capabilities and electronic structure calculations based on density-functional theory (DFT) now make it possible to design materials with new properties starting from the atomic scale and guide their experimental synthesis and… Show more

Speaker: Rohan Mishra, Department of Mechanical Engineering & Materials Science, Washington University in St. Louis

Promises of Organic-Inorganic Mixed-Dimensional Heterostructures
event
-
place
Physics Library
group
Pontus Laurell
Abstract:"Mixed-dimensional heterostructures are a unique class of material combining components of distinct dimensionalities through van der Waals interactions, e.g., zero-dimensional organic molecules self-assembled on two-dimensional (2D) materials. In addition to… Show more

Speaker: Prof. Qunfei Zhou, University of Kansas

AI and Quantum Computing in Interatomic Potentials: Advances and Challenges
event
-
place
Physics room 223a
group
Pontus Laurell
"In this talk, I will discuss recent developments in AI-based interatomic potentials, which have improved our ability to model atomic interactions by effectively partitioning energy at each atomic site. While these AI potentials have made significant progress in… Show more

Speaker: Prof. Ridwan Sakidja, Missouri State University

TBA
event
-
place
Physics Library
group
Andrew Meng
TBA

Speaker: Chris Cooper, Washington University at St Louis

Physics with suspended atomically thin membranes
event
-
place
Physics Library
group
Guang Bian
Somewhat to my surprise, two independent research projects we are pursuing take place in or with suspended atomically thin membranes. In the first case, we will review thermal transport measurements inspired by a search for physics of the Kitaev quantum spin liquid;… Show more

Speaker: Prof. Erik Henriksen, Washington University at St Louis

Landau level Nanoscopy of low-dimensional Dirac heterostructures
event
-
place
Zoom Seminar
group
Guang Bian
In contemporary condensed matter physics and photonics, four length scales are fundamentally interesting and intertwined: 1) Polaritonic wavelength λ in infrared (IR) and terahertz (THz) frequencies ω (e.g. plasmon, phonon, exciton, or magnon polaritons), which… Show more

Speaker: Prof. Mengkun Liu, Stony Brook University

Magnetic fluid state due to new quasi-particle kinetics in nanomagnetic system
event
-
place
Physics Library
group
Guang Bian
In this talk, we will discuss experimental and theoretical results that suggest the occurrence of a new type of quasi-particle in nanomagnets. The persistent quasi-particle kinetics results into a highly viscous magnetic fluid state in two-dimensional nanomagnetic… Show more

Speaker: Prof. Deepak Singh and Dr. Daniel Hill, University of Missouri

Toughening 2D Materials
event
-
place
Physics Library
group
Guang Bian
Two dimensional (2D) nanomaterials have been intensively investigated as emerging materials for future devices, including electronics, photonics, and electrochemical energy storage devices. The mechanical stability of each 2D component is critical to the reliability… Show more

Speaker: Prof. Yingchao Yang, Department of Mechanical and Aerospace Engineering, University of Missouri

Low-Dimensional Magnetism and Ionic Conductivity in Layered Transition Metal Oxides
event
-
place
Physics Library
group
Dr. Tom Heitmann
Abstract: The physics of low-dimensional magnetic systems has gained significant global attention over the last decade. Especially, two-dimensional (2D) layered magnetic systems are of present research interest due to their unusual magnetic properties, arising from… Show more

Speaker: Dr. Bikash Saha

Quantum Diamond Sparkles
event
-
place
Physics Library
group
Guang Bian
Diamond is not just a perfect gemstone. The tiny imperfections inside diamond can be turned into ultrasensitive nanoscale quantum sensors which can offer brand-new lenses to see through intricate phenomena spanning from atomic and molecular objects to events on a… Show more

Speaker: Prof. Chong Zu, Washington University, St Louis

Observation of flat bands in breathing kagome semiconductors
event
-
place
Zoom Seminar
group
Guang Bian
Quantum materials with kagome lattice – comprised of corner-sharing triangles forming a hexagon in the crystal structure - have been studied as the potential playgrounds for exploring the interplay among parameters such as geometry, topology, electronic correlations… Show more

Speaker: Prof. Madhab Neupane, Department of Physics, University of Central Florida