151 citations · 1.2k across the 38 of their papers we have counts for
33 papers · 1 filter
Radiative losses and radiation-reaction effects at the first post-Newtonian order in Einstein-Cartan theory
Vittorio De Falco, Emmanuele Battista, Davide Usseglio +1
Gravitational radiation-reaction phenomena occurring in the dynamics of inspiralling compact binary systems are investigated at the first post-Newtonian order beyond the quadrupole…
Analytical results for binary dynamics at the first post-Newtonian order in Einstein-Cartan theory with the Weyssenhoff fluid
Vittorio De Falco, Emmanuele Battista
The quantum spin effects inside matter can be modeled via the Weyssenhoff fluid, which permits to unearth a formal analogy between general relativity and Einstein-Cartan theory at…
On the propagation across the big bounce in an open quantum FLRW cosmology
Emmanuele Battista, Harold C. Steinacker
Recently, solutions of the Ishibashi, Kawai, Kitazawa and Tsuchiya matrix theory have been found, which can be interpreted as 3+1-dimensional quantum geometries describing an effec…
First post-Newtonian -body problem in Einstein-Cartan theory with the Weyssenhoff fluid: Lagrangian and first integrals
Emmanuele Battista, Vittorio De Falco, Davide Usseglio
The rotational dynamics of an -body system at the first post-Newtonian order in Einstein-Cartan theory is derived. This result is achieved by performing the point-particle limit…
Analytical coordinate time at first post-Newtonian order
Vittorio De Falco, Emmanuele Battista, John Antoniadis
In this letter, we exploit the Damour-Deruelle solution to derive the analytical expression of the coordinate time in terms of the polar angle. This formula has advantageous applic…
Discontinuous normals in non-Euclidean geometries and two-dimensional gravity
Emmanuele Battista, Giampiero Esposito
This paper builds two detailed examples of generalized normal in non-Euclidean spaces, i.e. the hyperbolic and elliptic geometries. In the hyperbolic plane we define a n-sided hype…
First post-Newtonian -body problem in Einstein-Cartan theory with the Weyssenhoff fluid: equations of motion
Emmanuele Battista, Vittorio De Falco
We derive the equations of motion for an -body system in the Einstein-Cartan gravity theory at the first post-Newtonian order by exploiting the Weyssenhoff fluid as the spin mod…
On the propagation across the big bounce in an open quantum FLRW cosmology
Emmanuele Battista, Harold C. Steinacker
The propagation of a scalar field in an open FLRW bounce-type quantum spacetime is examined, which arises within the framework of the IKKT matrix theory. In the first part of the p…
Gravitational waves at the first post-Newtonian order with the Weyssenhoff fluid in Einstein-Cartan theory
Emmanuele Battista, Vittorio De Falco
The generation of gravitational waves from a post-Newtonian source endowed with a quantum spin, modeled by the Weyssenhoff fluid, is investigated in the context of Einstein-Cartan…
Geodesic motion in Euclidean Schwarzschild geometry
Emmanuele Battista, Giampiero Esposito
This paper performs a systematic investigation of geodesic motion in Euclidean Schwarzschild geometry, which is studied in the equatorial plane. The explicit form of geodesic motio…
First-post-Newtonian generation of gravitational waves in Einstein-Cartan theory
Emmanuele Battista, Vittorio De Falco
In this paper we investigate the gravitational-wave generation problem at the first post-Newtonian order in the context of Einstein-Cartan theory by exploiting the Blanchet-Damour…
Reconstructing wormhole solutions in curvature based Extended Theories of Gravity
Vittorio De Falco, Emmanuele Battista, Salvatore Capozziello +1
Static and spherically symmetric wormhole solutions can be reconstructed in the framework of curvature based Extended Theories of Gravity. In particular, extensions of the General…
Testing wormhole solutions in extended gravity through the Poynting-Robertson effect
Vittorio De Falco, Emmanuele Battista, Salvatore Capozziello +1
We develop a model-independent procedure to single out static and spherically symmetric wormhole solutions based on the general relativistic Poynting-Robertson effect and the exten…
Einstein, Planck and Vera Rubin: relevant encounters between the Cosmological and the Quantum Worlds
Paolo Salucci, Giampiero Esposito, Gaetano Lambiase +38
In Cosmology and in Fundamental Physics there is a crucial question like: where the elusive substance that we call Dark Matter is hidden in the Universe and what is it made of?, th…
Nonsingular bouncing cosmology in general relativity: physical analysis of the spacetime defect
Emmanuele Battista
In this paper, we describe physical effects occurring in the regularized Robertson-Walker spacetime which can reveal the presence of the defect. Our analysis is based on two main p…
What is a reduced boundary in general relativity?
Emmanuele Battista, Giampiero Esposito
The concept of boundary plays an important role in several branches of general relativity, e.g., the variational principle for the Einstein equations, the event horizon and the app…
General relativistic Poynting-Robertson effect to diagnose wormholes existence: static and spherically symmetric case
Vittorio De Falco, Emmanuele Battista, Salvatore Capozziello +1
We derive the equations of motion of a test particle in the equatorial plane around a static and spherically symmetric wormhole influenced by a radiation field including the genera…
Poynting-Robertson effect as a dissipative system in general relativity
Vittorio De Falco, Emmanuele Battista
We determine for the first time in the literature the analytic form of the Rayleigh potential of the general relativistic Poynting-Robertson effect. The employed procedure is based…
Three-dimensional general relativistic Poynting-Robertson effect II: Radiation field from a rigidly rotating spherical source
Pavel Bakala, Vittorio De Falco, Emmanuele Battista +4
We investigate the three-dimensional, general relativistic Poynting-Robertson effect in the case of rigidly rotating spherical source which emits radiation radially in the local co…
An effective-gravity perspective on the Sun-Jupiter-comet three-body system
Emmanuele Battista, Giampiero Esposito, Angelo Tartaglia
Within the solar system, approximate realizations of the three-body problem occur when a comet approaches a planet while being affected mainly by such a planet and the Sun, and thi…
Analytical Rayleigh potential for the general relativistic Poynting-Robertson effect
Vittorio De Falco, Emmanuele Battista
We determine the analytic expression of the Rayleigh potential associated to the general relativistic Poynting-Robertson effect. This constitutes the first example of a physical di…
The three-dimensional general relativistic Poynting-Robertson effect I: radial radiation field
Vittorio De Falco, Pavel Bakala, Emmanuele Battista +3
In this paper we investigate the three-dimensional (3D) motion of a test particle in a stationary, axially symmetric spacetime around a central compact object, under the influence…
Lagrangian formulation of the general relativistic Poynting-Robertson effect
Vittorio De Falco, Emmanuele Battista, Maurizio Falanga
We propose the Lagrangian formulation for describing the motion of a test particle in a general relativistic, stationary, and axially symmetric spacetime. The test particle is also…
Looking for a new test of general relativity in the solar system
Angelo Tartaglia, Giampiero Esposito, Emmanuele Battista +2
This paper discusses three matter-of-principle methods for measuring the general relativity correction to the Newtonian values of the position of collinear Lagrangian points L1 and…