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New perspectives on neutron star and black hole spectroscopy and dynamic tides

- S. Chakrabarti, T. Delsate, J. Steinhoff
- Physics
- 8 April 2013

We elaborate on a powerful tidal interaction formalism where the multipole dynamics is kept generic and encoded in a linear response function. This response function is the gravitational counterpart… Expand

22 3- PDF

Giant pulsar glitches and the inertia of neutron star crusts

- T. Delsate, N. Chamel, N. Gurlebeck, A. Fantina, J. Pearson, C. Ducoin
- Physics
- 31 May 2016

Giant pulsar frequency glitches as detected in the emblematic Vela pulsar have long been thought to be the manifestation of a neutron superfluid permeating the inner crust of a neutron star. However,… Expand

32 3- PDF

Effective action and linear response of compact objects in Newtonian gravity

- S. Chakrabarti, T. Delsate, J. Steinhoff
- Physics
- 25 June 2013

We apply an effective field theory method for the gravitational interaction of compact stars, developed within the context of general relativity, to Newtonian gravity. In this effective theory, a… Expand

27 2- PDF

I-Q Relation for Rapidly Rotating Neutron Stars

- S. Chakrabarti, T. Delsate, N. Gurlebeck, J. Steinhoff
- Physics
- 25 November 2013

We consider a universal relation between moment of inertia and quadrupole moment of arbitrarily fast rotating neutron stars. Recent studies suggest that this relation breaks down for fast rotation.… Expand

48 2- PDF

Neutron stars in general second order scalar-tensor theory: The case of nonminimal derivative coupling

- Adolfo Cisterna, T. Delsate, Massimiliano Rinaldi
- Physics
- 20 April 2015

We consider the sector of Horndeski's gravity characterized by the coupling between the kinetic scalar field term and the Einstein tensor. We numerically construct neutron star configurations where… Expand

83 1- PDF

Nonminimal derivative coupling scalar-tensor theories: Odd-parity perturbations and black hole stability

- Adolfo Cisterna, M. Cruz, T. Delsate, J. Saavedra
- Physics
- 26 August 2015

We derive the odd parity perturbation equation in scalar-tensor theories with a non minimal kinetic coupling sector of the general Horndeski theory, where the kinetic term is coupled to the metric… Expand

29 1- PDF

Determination of the melting threshold of TiO2 thin films processed by excimer laser irradiation

- O. V. Overschelde, T. Delsate, R. Snyders
- Physics
- 22 June 2012

Processing surfaces by laser needs an understanding of the mechanisms generated by irradiation. In this work, to gain understanding of the mechanisms occurring during irradiation of TiO2 thin films… Expand

9 1

Initial value formulation of dynamical Chern-Simons gravity

- T. Delsate, D. Hilditch, Helvi Witek
- Physics
- 24 July 2014

We derive an initial value formulation for dynamical Chern-Simons gravity, a modification of general relativity involving parity-violating higher derivative terms. We investigate the structure of the… Expand

41 1- PDF

Slowly rotating neutron stars in the nonminimal derivative coupling sector of Horndeski gravity

- Adolfo Cisterna, T. Delsate, L. Ducobu, Massimiliano Rinaldi
- Physics
- 22 February 2016

This work is devoted to the construction of slowly rotating neutron stars in the framework of the nonminimal derivative coupling sector of Horndeski theory. We match the large radius expansion of… Expand

65 1- PDF

On the stability of AdS black strings

- Y. Brihaye, T. Delsate, E. Radu
- Physics
- 22 October 2007

Abstract We explore via linearized perturbation theory the Gregory–Laflamme instability of the black string solutions of Einstein's equations with negative cosmological constant recently discussed in… Expand

28 1- PDF

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