Antonia Micol Frassino

Antonia Micol Frassino
University of Barcelona | UB · Department of Theoretical Physics

PhD

About

31
Publications
2,879
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616
Citations
Introduction
Antonia Micol Frassino currently works at the Department of Theoretical Physics, University of Barcelona.
Additional affiliations
September 2018 - present
University of Barcelona
Position
  • PostDoc Position
September 2017 - September 2018
University of Geneva
Position
  • PostDoc Position
Description
  • Swiss Government Excellence scholarship
September 2016 - September 2017
Frankfurt Institute for Advanced Studies
Position
  • PostDoc Position

Publications

Publications (31)
Article
Full-text available
The exploration of the universe has recently entered a new era thanks to the multi-messenger paradigm, characterized by a continuous increase in the quantity and quality of experimental data that is obtained by the detection of the various cosmic messengers (photons, neutrinos, cosmic rays and gravitational waves) from numerous origins. They give u...
Article
A bstract We analyze different holographic complexity proposals for black holes that include corrections from bulk quantum fields. The specific setup is the quantum BTZ black hole, which encompasses in an exact manner the effects of conformal fields with large central charge in the presence of the black hole, including the backreaction corrections...
Preprint
Full-text available
We analyze different holographic complexity proposals for black holes that include corrections from bulk quantum fields. The specific setup is the quantum BTZ black hole, which encompasses in an exact manner the effects of conformal fields with large central charge in the presence of the black hole, including the backreaction corrections to the BTZ...
Preprint
Full-text available
The exploration of the universe has recently entered a new era thanks to the multi-messenger paradigm, characterized by a continuous increase in the quantity and quality of experimental data that is obtained by the detection of the various cosmic messengers (photons, neutrinos, cosmic rays and gravitational waves) from numerous origins. They give u...
Preprint
Full-text available
The effective quantum field theory description of gravity, despite its non-renormalizability, allows for predictions beyond classical general relativity. As we enter the age of gravitational wave astronomy, an important and timely question is whether measurable quantum predictions that depart from classical gravity, analogous to quantum optics effe...
Article
Full-text available
A theoretical framework for the quantization of gravity has been an elusive Holy Grail since the birth of quantum theory and general relativity. While generations of scientists have attempted to find solutions to this deep riddle, an alternative path built upon the idea that experimental evidence could determine whether gravity is quantized has bee...
Preprint
Full-text available
A theoretical framework for the quantization of gravity has been an elusive Holy Grail since the birth of quantum theory and general relativity. While generations of scientists have attempted solutions to this deep riddle, an alternative path built upon the idea that experimental evidence could determine whether gravity is quantized has been decade...
Article
Full-text available
A bstract We study a holographic construction of quantum rotating BTZ black holes that incorporates the exact backreaction from strongly coupled quantum conformal fields. It is based on an exact four-dimensional solution for a black hole localized on a brane in AdS 4 , first discussed some years ago but never fully investigated in this manner. Besi...
Preprint
Full-text available
We study a holographic construction of quantum rotating BTZ black holes that incorporates the exact backreaction from strongly coupled quantum conformal fields. It is based on an exact four-dimensional solution for a black hole localized on a brane in AdS$_4$, first discussed some time ago but never fully investigated in this manner. We obtain the...
Article
Full-text available
Black holes are the simplest objects in the Universe. They correspond to extreme deformations of spacetime geometry and can exist even devoid of matter. In general relativity, (electro)vacuum black holes are uniquely determined by their mass, charge, and angular momentum. This feature follows from a uniqueness theorem, which can be evaded if one co...
Preprint
Full-text available
We analyze charged and static black holes in four-dimensional Einsteinian cubic gravity minimally coupled to a Maxwell field, uncovering some surprising features: (1) When the cubic coupling parameter lies above a certain strictly positive value, the theory contains black holes with charge greater than mass (in Einstein-Maxwell theory such solution...
Article
Full-text available
We present the derivation of the Casimir-Polder interactions mediated by a massive photon between two neutral systems described in terms of their atomic polarizability tensors. We find a compact expression for the leading term at large distances between the two systems. Our result reduces, in the massless photon limit, to the standard Casimir-Polde...
Article
Full-text available
We use the extension problem proposed by Caffarelli and Silvestre to study the quantization of a scalar nonlocal quantum field theory built out of the fractional Laplacian. We show that the quantum behavior of such a nonlocal field theory in d dimensions can be described in terms of a local action in d+1 dimensions which can be quantized using the...
Preprint
Full-text available
We present the derivation of the Casimir-Polder interactions mediated by a massive photon between two neutral systems described in terms of their atomic polarizability tensors. We find a compact expression for the leading term at large distances between the two systems. Our result reduces, in the mass-less photon limit, to the standard Casimir-Pold...
Article
Full-text available
A bstract We study several aspects of the extended thermodynamics of BTZ black holes with thermodynamic mass $$ M=\alpha m+\gamma \frac{j}{\ell } $$ M = αm + γ j ℓ and angular momentum J = αj + γℓm , for general values of the parameters ( α, γ ) ranging from regular ( α = 1 , γ = 0) to exotic ( α = 0 , γ = 1). We show that there exist two distinct...
Preprint
Full-text available
We use the extension problem proposed by Caffarelli and Silvestre to study the quantization of a scalar nonlocal quantum field theory built out of the fractional Laplacian. We show that the quantum behavior of such a nonlocal field theory in $d$-dimensions can be described in terms of a local action in $d+1$ dimensions which can be quantized using...
Preprint
Full-text available
We study several aspects of the extended thermodynamics of BTZ black holes with thermodynamic mass $M=\alpha m + \gamma \frac{j}{\ell}$ and angular momentum $J = \alpha j + \gamma \ell m$, for general values of the parameters $(\alpha, \gamma)$ ranging from regular ($\alpha=1, \gamma=0$) to exotic ($\alpha=0, \gamma=1$). We show that there exist tw...
Article
We study the impact of the limit on ||/G from Lunar Laser Ranging on "nonlocal gravity", i.e. On models of the quantum effective action of gravity that include nonlocal terms relevant in the infrared, such as the "RR" and "RT" models proposed by our group, and the Deser-Woodard (DW) model. We elaborate on the analysis of Barreira et al. [1] and we...
Preprint
Full-text available
We study the impact of the limit on $|\dot{G}|/G$ from Lunar Laser Ranging on "nonlocal gravity", i.e. on models of the quantum effective action of gravity that include nonlocal terms relevant in the infrared, such as the "RR" and "RT" models proposed by our group, and the Deser-Woodard (DW) model. We elaborate on the analysis of Barreira et al. [1...
Chapter
In this essay, we examine a set of uncertainty principles that are proposed in the literature to encode possible features of a theory of quantum gravity.
Article
Full-text available
We use black holes with a negative cosmological constant to investigate aspects of the freeze-out temperature for hadron production in high energy heavy-ion collisions. The two black hole solutions present in the anti-de Sitter geometry have different mass and are compared to the data showing that the small black hole solution is in good agreement....
Article
Full-text available
The Dirac oscillator in a homogenous magnetic field exhibits a chirality phase transition at a particular (critical) value of the magnetic field. Recently, this system has also been shown to be exactly solvable in the context of noncommutative quantum mechanics featuring the interesting phenomenon of re-entrant phase transitions. In this work we pr...
Article
Full-text available
In this paper we present the un-Casimir effect, namely the study of the Casimir energy in the presence of an unparticle component in addition to the electromagnetic field contribution. The distinctive feature of the un-Casimir effect is a fractalization of metallic plates. This result emerges through a new dependence of the Casimir energy on the pl...
Article
Full-text available
We review some of the results obtained by introducing a thermodynamic pressure via the cosmological constant in a class of higher curvature theories known as Lovelock gravity. In particular, we focus on a specific relation between the higher-order Lovelock couplings that introduces a peculiar isolated critical point for hyperbolic black holes chara...
Article
Full-text available
Recently a short scale modified black hole metric, known as holographic metric, has been proposed in order to capture the self-complete character of gravity. In this paper we show that such a metric can reproduce some geometric features expected from the quantum $N$-portrait beyond the semi-classical limit. We show that for a generic $N$ this corre...
Article
Full-text available
We investigate general features of charged Lovelock black branes by giving a detailed description of geometrical, thermodynamic and holographic properties of charged Gauss-Bonnet (GB) black branes in five dimensions. We show that when expressed in terms of effective physical parameters, the thermodynamic behaviour of charged GB black branes is comp...
Article
Full-text available
The connection between black hole thermodynamics and chemistry is extended to the lower-dimensional regime by considering the rotating and charged BTZ metric in the $(2+1)$-D and a $(1+1)$-D limits of Einstein gravity. The Smarr relation is naturally upheld in both BTZ cases, where those with $Q \ne 0$ violate the Reverse Isoperimetric Inequality a...
Article
Full-text available
We study a solution of the Einstein's equations generated by a self-gravitating, anisotropic, static, non-singular matter fluid. The resulting Schwarzschild like solution is regular and accounts for smearing effects of noncommutative fluctuations of the geometry. We call this solution regular Schwarzschild spacetime. In the presence of an Anti-deSi...
Article
Full-text available
We investigate the effects of higher curvature corrections from Lovelock gravity on the phase structure of asymptotically AdS black holes, treating the cosmological constant as a thermodynamic pressure. We examine how various thermodynamic phenomena, such as Van der Waals behaviour, reentrant phase transitions (RPT), and tricritical points are mani...
Article
Full-text available
In this paper we present the un-Casimir effect, namely the study of the Casimir energy related to the presence of an un-particle component in addition to the electromagnetic field contribution. We derive this result by considering modifications of the Feynmann propagator in the unparticle sector. The contribution of unparticles turns out to be the...
Article
Full-text available
We study the corrections to the Casimir effect in the classical geometry of two parallel metallic plates, separated by a distance a, due to the presence of a minimal length (ℏ√β) arising from quantum mechanical models based on a generalized uncertainty principle (GUP). The approach for the quantization of the electromagnetic field is based on proje...

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