Condensed Matter Physics in the Alps: Geometric Frustration, Topology, Flat Bands, and Correlation in Kagome and Van der Waals Systems

Session

Monday Morning Session I, Chair G. Aeppli

5 Jan 2026, 08:45

Saas Fee

29. Kagome spin ice and strange metal phases

Philipp Gegenwart (University of Augsburg)

05/01/2026, 08:45

Kagome experimental

Invited talk (by invitation only)

In the talk, I will focus on two members of the ZrNiAl structure type with twisted magnetic kagome layers. HoAgGe represents the first crystalline realization of kagome spin ice, evidenced by neutron scattering, and displays striking fractionalized plateau states in magnetic and transport experiments [1-3].
CrNiAs is a kagome metal in which the ferromagnetic order of Cr moments can be...

30. Magnetism of the RT6Sn6 kagome metals

Rob McQueeney (Iowa State University and Ames Laboratory)

05/01/2026, 09:20

Kagome experimental

Invited talk (by invitation only)

Kagome metals are known for their unique electronic band structure containing flat bands and Dirac cones with topological character. This has elevated interest in kagome metals as an adaptable system to study the interplay of band topology with superconductivity, itinerant magnetism, and other charge instabilities that are driven by electronic correlations. In the RT6Sn6 kagome metals,...