AIP summer meeting 2025

Session

Focus Session - From edge states to emergent phases

1 Dec 2025, 10:45

Hope Theatre (Building 40, Room 153)

Conveners

Focus Session - From edge states to emergent phases: Focus Session: From Edge States to Emergent Phases

• Julie Karel (Monash University)

Focus Session - From edge states to emergent phases: Focus Session: From Edge States to Emergent Phases

• Julie Karel (Monash University)

318. Theory of exciton condensation in graphene

Oleg Sushkov (University of New South Wales)

01/12/2025, 11:00

Focus session invited talk

A possible exciton condensation in monolayer graphene had been widely discussed/predicted in theoretical literature and never observed before. Clearly something is wrong with the conventional theoretical approach. Recent STM data indicate opening of a gap in the metal decorated monolayer graphene near the Dirac point. The ratio of the gap over the critical temperature is about 100. I argue...

194. Chiral topological superconductivity in Sn/Si(111) and related compounds

Stephan Rachel (University of Melbourne)

01/12/2025, 11:30

From Edge States to Emergent Phases: Advances in Topological and Strongly Correlated Materials

Focus session invited talk

Motivated by the recently discovered superconductivity in boron-doped Sn/Si(111) with a Tc as high as 10K [1], I will focus on unconventional superconductivity of correlated electrons on the triangular lattice. I will further demonstrate the significance of Rashba spin-orbit couling for materials such as Sn/Si(111) and show that, as a consequence, the superconducting phase possesses a...

263. Three-dimensional flat band in ultra-thin Kagome metal Mn3Sn film

Dr Mengting Zhao (Monash University)

01/12/2025, 12:00

From Edge States to Emergent Phases: Advances in Topological and Strongly Correlated Materials

Focus session invited talk

Flat bands with narrow energy dispersion can give rise to strongly correlated electronic and topological phases, especially when located at the Fermi level. Whilst flat bands have been experimentally realized in two-dimensional (2D) twisted van der Waals heterostructures, they are highly sensitive to twist angle, necessitating complex fabrication techniques. Geometrically frustrated kagome...

268. Bimerons and Antibimerons in Magnetic Topological Materials

Prof. Oleg Tretiakov (UNSW)

01/12/2025, 13:30

From Edge States to Emergent Phases: Advances in Topological and Strongly Correlated Materials

Focus session invited talk

I will discuss topological magnetic textures, such as skyrmions, merons, and (anti)bimerons, which constitute tiny chiral whirls in the magnetic order. They are promising candidates as information carriers for next generation electronics, as they can be efficiently propelled at very high velocities employing current-induced spin torques [1]. First, I will talk about bimerons [2] and...

271. Group theory method for extracting order parameters from scanning tunneling microscopy data

Harley Scammell (University of Technology Sydney)

01/12/2025, 14:00

From Edge States to Emergent Phases: Advances in Topological and Strongly Correlated Materials

Focus session invited talk

Scanning tunneling microscopy (STM) is a powerful local probe of correlated electronic states. We introduce a group-theoretical framework for STM analysis that decomposes images into components corresponding to irreducible representations of the local density of states, providing a real-space map of symmetry properties. This decomposition enables the direct detection of spatial...

277. Some Recent Developments in SPM Probing of Ferroelectrics: Crackling Noise Microscopy, Phonon-Nanoscopy and Optically Manipulated Ferroelectricity in BiFeO3

Jan Seidel

01/12/2025, 14:30

From Edge States to Emergent Phases: Advances in Topological and Strongly Correlated Materials

Focus session invited talk

I will discuss our recent work on various ferroelectric and multiferroic oxide material systems using scanning probe microscopy (SPM) as the main investigative tool, with a focus on nanoscale functional property measurements of individual topological defects and new SPM instrument capability developments.

The nanoscale phonon properties of BiFeO₃ structural variants have rarely been...

288. Talk

Mengting Zhao (Monash University)

Focus session invited talk

283. Talk

Mengting Zhao (Monash University)

Focus session invited talk

286. Talk

Mengting Zhao (Monash University)

Focus session invited talk

287. Talk

Mengting Zhao (Monash University)

Focus session invited talk

165. The Interplay of Electron Correlation, Electron-Phonon Coupling, and Nontrivial Topology in High Temperature Superconducting FeSe/SrTiO3 Heterostructure

Prof. Subhasish Mandal (Department of Physics and Astronomy, West Virginia University)

From Edge States to Emergent Phases: Advances in Topological and Strongly Correlated Materials

Focus session invited talk

High-temperature superconductivity and topological phase transition are among the most debated and intriguing phenomena in modern condensed matter physics. Their combined manifestation in either a single or hybrid material structure is of great interest for exhibiting Majorana zero modes. So far, the study of topological materials and the role of electron-phonon coupling in superconductivity...