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Mons Meeting 2013
PandA Doctoral School

Speaker :
Richard Brito (IST - Portugal)
Vitor Cardoso (IST - Portugal, Mississipi U. - USA)
Diego Chialva (UMons, Belgium)
Térence Delsate (UMons, Belgium)
Hirotada Okawa (IST - Portugal)
Paolo Pani (IST - Portugal)
Jorge Rocha (IST - Portugal)
Ulrich Sperhake (Cambridge - United Kingdom)
Jan Steinhoff (U. Bremen - Germany)
Vincenzo Vitagliano (IST - Portugal)
Helvi Witek (Cambridge - United Kingdom)

Tentative Schedule:

08.45 - 09.00 : Opening (Day 1)
09.00 - 10.00 : Session 1
10.00 - 11.00 : Session 2
11.00 - 11.30 : Coffee break
11.30 - 12.30 : Session 3


S1 : Vitor Manuel Santos Cardoso, Black hole superradiance: beyond GR

S2 : Jan Steinhoff, Oscillation modes, tides, and resonances of compact stars

This lecture discusses oscillation modes of stars in Newtonian gravity. These modes are important astrophysical observables. As a particular mechanism to excite the modes, we consider tidal forces raised by a companion star. Such systems can exhibit resonances of oscillations modes and orbital motion. This lecture is based on the first sections of and an outlook to the relativistic case in is given.

S3 : Diego Chialva, Perturbations and quantization in cosmology.

The lesson will focus on the quantum theory of perturbations (scalar and tensor) in time evolving background relevant for cosmology. Special emphasis will be put on the individuation of the correct observable quantities, and on aspects and issues of the quantization procedure.


S1 : Terence Delsate, Extradimensional models of gravity and the braneworld paradigm.

This lecture will give an overview of some models of braneworld in higher dimensional gravity. Higher dimensional gravity emerges from String Theory as a low energy model. The braneworld models we will present here are in some sense phenomenological in the sense that we will use scalar and/or gauge fields with some given potentials in order to support the brane. Although this idea seems to lead to model dependant results, we will see that generic aspects are available. We will start by reviewing the most famous brane models, namely the Randall-Sundrum and Arkani-Hamed-Dimopoulos-Dvali models, which assume thin branes. Next we discuss smoothened thick branes supported by solitonic fields. Finally we briefly explain how to localize fermions on the brane.

S2 : Jorge V. Rocha, Solution generating techniques and charged black rings

I will present an overview of some powerful black hole solution generating techniques in theories of gravity coupled to vector and scalar fields. These methods lead recently to the discovery of novel charged black rings in a five-dimensional Einstein-Maxwell-dilaton theory. Such solutions are expected to be the most general black rings in this theory. Although I will focus on charged black rings, the techniques discussed can be applied in broader contexts. Most of the material presented is available at

S3 : Helvi Witek, Numerical Relativity in higher dimensions.
Afternoon: Q/R


S1 : Paolo Pani, Coupling gravity to nongravitational fields: when matter does matter

S2 : Vincenzo Vitagliano, Metric-affine theories of gravity

S3 : Richard Brito, Massive gravity and bimetric theories

Day 4

S1 : Ulrich Sperhake, Review of Numerical relativity or BH collision

S2 : Hirotada Okawa, Toward Nonlinear Evolution in Black Hole Bomb Mechanism

S3 : Oral presentations for the PhD participants or Q/R Session and Discussion