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Topological Superconductors on Superstring Worldsheets
Justin Kaidi, Julio Parra-Martinez, Yuji Tachikawa +1
We point out that different choices of Gliozzi-Scherk-Olive (GSO) projections in superstring theory can be conveniently understood by the inclusion of fermionic invertible phases,…
GSO projections via SPT phases
Justin Kaidi, Julio Parra-Martinez, Yuji Tachikawa
We point out that the choice of phases in GSO projections can be accounted for by a choice of fermionic SPT phases on the worldsheet of the string. This point of view not only easi…
Reflection groups and 3d 6 SCFTs
Yuji Tachikawa, Gabi Zafrir
We point out that the moduli spaces of all known 3d 8 and 6 SCFTs, after suitable gaugings of finite symmetry groups, have the form $\mathbb{C}^{4r}/Γ…
On gapped boundaries for SPT phases beyond group cohomology
Ryohei Kobayashi, Kantaro Ohmori, Yuji Tachikawa
We discuss a strategy to construct gapped boundaries for a large class of symmetry-protected topological phases (SPT phases) beyond group cohomology. This is done by a generalizati…
Anomaly of the Electromagnetic Duality of Maxwell Theory
Chang-Tse Hsieh, Yuji Tachikawa, Kazuya Yonekura
We consider the ()-dimensional Maxwell theory in the situation where going around nontrivial paths in the spacetime involves the action of the duality transformation exchang…
autoboot: A generator of bootstrap equations with global symmetry
Mocho Go, Yuji Tachikawa
We introduce autoboot, a Mathematica program which automatically generates mixed-correlator bootstrap equations of an arbitrary number of scalar external operators, given the globa…