A semiclassical deformed BTZ solution encodes Planck-scale kinematic modifications from curved momentum space in a nonlinear microscopic-to-ADM mass map, leaving local geometry and thermodynamics unchanged in form.
Construction of $\theta$-Poincar\'e Algebras and their Invariants on $\mathcal{M}_\theta$
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abstract
In the present paper we construct deformations of the Poincar\'e algebra as representations on a noncommutative spacetime with canonical commutation relations. These deformations are obtained by solving a set of conditions by an appropriate ansatz for the deformed Lorentz generator. They turn out to be Hopf algebras of quantum universal enveloping algebra type with nontrivial antipodes. In order to present a notion of $\theta$-deformed Minkowski space $\mathcal{M}_\theta$, we introduce Casimir operators and spacetime invariants for all deformations obtained.
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2025 1verdicts
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Quantum-Gravitational Backreaction in the BTZ Background from Curved Momentum Space
A semiclassical deformed BTZ solution encodes Planck-scale kinematic modifications from curved momentum space in a nonlinear microscopic-to-ADM mass map, leaving local geometry and thermodynamics unchanged in form.