25–27 Nov 2026
KEK Tsukuba Campus
Asia/Tokyo timezone

Quantum spacetime and gravity from the IKKT matrix model

25 Nov 2026, 14:50
20m
K03 Seminar Hall (KEK Tsukuba Campus)

K03 Seminar Hall

KEK Tsukuba Campus

KEK, 1-1 OHO, TSUKUBA, IBARAKI 305-0801, JAPAN

Speaker

Harold Steinacker (University of Vienna)

Description

We describe how an expanding and asymptotically flat 3+1 dimensional homogeneous and isotropic spacetime arises from the IKKT matrix model at one loop, within a weak coupling regime. Some aspects of the emergent gravity theory are also discussed, which deviates form general relativity in the extreme UV and IR regimes.

Presentation materials

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