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268 papers
Nonlinear electroweak sphaleron clouds around Kerr black holes
Carlos Herdeiro, Jutta Kunz, Hendrik Mennenga +1
Kerr black holes and electroweak sphalerons are remarkable solutions of two pillars of modern physics: General Relativity and the Standard Model of particle physics, respectively.…
Boson Star Factory: Past, Present, and Future
Romain Gervalle, Jorge Filipe Mónico Delgado, Etevaldo dos Santos Costa Filho +4
Boson stars are self-gravitating solitons of the Einstein-Klein-Gordon equations for a massive complex scalar field, and arguably the simplest horizonless compact objects arising i…
Electroweak balls: non-topological solitons in the Weinberg-Salam theory
Carlos Herdeiro, Jutta Kunz, Burkhard Kleihaus +1
We construct a new class of smooth, finite-energy solitons in the bosonic Weinberg-Salam theory, which we dub . Their localization mechanism…
Analytic backreaction of a scalar wig on a Schwarzschild black hole
Marco de Cesare, Manuel Del Piano, Carlos A. R. Herdeiro
We analytically determine the leading backreaction of a spherically symmetric massive complex scalar quasi-bound state (with mass ) on a Schwarzschild black hole with (initial)…
Electromagnetic duality degeneracy in dynamical black hole mergers
José Ferreira, Gabriele Bozzola, Carlos A. R. Herdeiro +2
Electromagnetic duality is a symmetry of the source-free Einstein-Maxwell equations that rotates electric and magnetic fields while leaving the stress-energy tensor invariant. We p…
Relativistic and Newtonian Proca Stars: A Tale of Two Limits
Alberto Diez-Tejedor, Carlos Herdeiro, Claudio Lazarte +4
We investigate a representative set of static solitonic solutions of the Einstein-Proca theory in the Newtonian regime, where the field frequency approaches the particle mass, $ω\t…