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19 papers · 1 filter
Hairy AdS black holes with a toroidal horizon in 4D Einstein-nonlinear -model system
Marco Astorino, Fabrizio Canfora, Alex Giacomini +1
An exact hairy asymptotically locally AdS black hole solution with a flat horizon in the Einstein-nonlinear sigma model system in (3+1) dimensions is constructed. The ansatz for th…
Analytic topologically non-trivial solutions of the (3+1)-dimensional gauged Skyrme model and extended duality
L. Avilés, F. Canfora, N. Dimakis +1
We construct the first analytic examples of topologically non-trivial solutions of the (3+1)-dimensional gauged Skyrme model within a finite box in (3+1)-dimensional flat sp…
Integrable systems with BMS Poisson structure and the dynamics of locally flat spacetimes
Oscar Fuentealba, Javier Matulich, Alfredo Pérez +4
We construct a hierarchy of integrable systems whose Poisson structure corresponds to the BMS algebra, and then discuss its description in terms of the Riemannian geometry of…
Electrically charged black hole on AdS: scale invariance and the Smarr formula
Cristián Erices, Oscar Fuentealba, Miguel Riquelme
The Einstein-Maxwell theory with negative cosmological constant in three spacetime dimensions is considered. It is shown that the Smarr relation for the electrically charged BTZ bl…
Gravitational catalysis of merons in Einstein-Yang-Mills theory
Fabrizio Canfora, Seung Hun Oh, Patricio Salgado-Rebolledo
We construct regular configurations of the Einstein-Yang-Mills theory in various dimensions. The gauge field is of meron-type: it is proportional to a pure gauge (with a suitable p…
Non-relativistic Spinning Particle in a Newton-Cartan Background
Andrea Barducci, Roberto Casalbuoni, Joaquim Gomis
We construct the action of a non-relativistic spinning particle moving in a general torsionless Newton-Cartan background. The particle does not follow the geodesic equations, inste…