7 papers · 1 filter
Holographic zeros and poles from apparent singularities
Edwan Préau
We study general holographic fluctuation equations with apparent singularities, and the associated spectral functions. We consider the regime where an apparent singularity approach…
The Tachyon Chern-Simons action with a generic tachyon field, and baryons in V-QCD
Jean-Loup Raymond, Matti Järvinen, Elias Kiritsis +2
Consistency with global flavor anomalies requires the presence of Chern-Simons terms in holographic models of QCD. Such terms are analyzed in a setup arising in the holographic V-Q…
Flavour current correlators and the non-Abelian hydrodynamic approximation: the charged sector
Thomas Apostolidis, Matti Järvinen, Elias Kiritsis +3
Flavor-current correlators are studied in strongly-coupled dense (holographic) matter, at finite quark chemical potential and finite isospin asymmetry. The non-Abelian hydrod…
Higher derivative holography and temperature dependence of QGP viscosities
Thomas Apostolidis, Umut Gürsoy, Edwan Préau
Recent Bayesian analyses of heavy ion collision data have established a non-trivial temperature dependence of the shear and bulk viscosity per entropy. Motivated by this, we consid…
Revisiting color superconductors in bottom-up holography
Edwan Préau
We revisit the problem of constructing a color superconducting phase in bottom-up holography. We introduce a model that describes the five-dimensional dynamics of a scalar field du…
Phases and Phase transitions of U(1)SU(2) symmetric holographic matter
Matti Järvinen, Elias Kiritsis, Francesco Nitti +1
The phase diagram and symmetry breaking patterns of a holographic CFT with U(1)SU(2) symmetry are analyzed using the simplest holographic action, namely Einstein-Yang-Mills…
Holographic QFTs on SS, spontaneous symmetry breaking and Efimov saddle points
Elias Kiritsis, Francesco Nitti, Edwan Préau
Holographic CFTs and holographic RG flows on space-time manifolds which are -dimensional products of spheres are investigated. On the gravity side, this corresponds to Einstein-…