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10 papers · 2 filters
Affine extensions of non-crystallographic Coxeter groups induced by projection
Pierre-Philippe Dechant, Celine Boehm, Reidun Twarock
In this paper, we show that affine extensions of non-crystallographic Coxeter groups can be derived via Coxeter-Dynkin diagram foldings and projections of affine extended versions…
Novel Kac-Moody-type affine extensions of non-crystallographic Coxeter groups
Pierre-Philippe Dechant, Celine Boehm, Reidun Twarock
Motivated by recent results in mathematical virology, we present novel asymmetric Z[tau]-integer-valued affine extensions of the non-crystallographic Coxeter groups H_2, H_3 and H_…
Coideal Quantum Affine Algebra and Boundary Scattering of the Deformed Hubbard Chain
Marius de Leeuw, Takuya Matsumoto, Vidas Regelskis
We consider boundary scattering for a semi-infinite one-dimensional deformed Hubbard chain with boundary conditions of the same type as for the Y=0 giant graviton in the AdS/CFT co…
Dynamical locality of the free scalar field
Christopher J. Fewster, Rainer Verch
Dynamical locality is a condition on a locally covariant physical theory, asserting that kinematic and dynamical notions of local physics agree. This condition was introduced in [a…
The Bound State S-matrix of the Deformed Hubbard Chain
Marius de Leeuw, Takuya Matsumoto, Vidas Regelskis
In this work we use the q-oscillator formalism to construct the atypical (short) supersymmetric representations of the centrally extended Uq (su(2|2)) algebra. We then determine th…
Dynamical locality and covariance: What makes a physical theory the same in all spacetimes?
Christopher J. Fewster, Rainer Verch
The question of what it means for a theory to describe the same physics on all spacetimes (SPASs) is discussed. As there may be many answers to this question, we isolate a necessar…