Search Results - "Lombardo, Diego"
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Born-Infeld generalization: Axion and Kalb-Ramond from dynamical torsion fields
Published in Europhysics letters (01-09-2021)“…Abstract We show that in theories of gravitation based on affine geometries the torsion field, that takes a dynamical character, not only the chiral magnetic…”
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2
Geometrical aspects of hypermagnetic field interactions
Published in Europhysics letters (01-11-2021)“…Abstract We investigate the role of a dynamical torsion field coming from a geometrical non-Riemannian model. This model is reminiscent of a generalized…”
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3
Fermion helicity flip and fermion oscillation induced by dynamical torsion field
Published in Europhysics letters (01-07-2019)“…We show that in theories of gravitation based in affine geometries the torsion field, that takes a dynamical character, produces the non-conservation of the…”
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Dynamic Functional Connectivity between order and randomness and its evolution across the human adult lifespan
Published in NeuroImage (Orlando, Fla.) (15-11-2020)“…Functional Connectivity (FC) during resting-state or task conditions is not static but inherently dynamic. Yet, there is no consensus on whether fluctuations…”
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5
The muon pair production in the process e+e-→e+e-μ+μ- through the two-photon mechanism at high energies: transverse momentum, rapidity and angular distributions
Published in The European physical journal. A, Hadrons and nuclei (2021)“…In the present paper, we investigate the muon pair production in the interaction between two quasi-real photons in e + e - collision. We calculate the total…”
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6
Entanglement and Generalized Berry Geometrical Phases in Quantum Gravity
Published in Symmetry (Basel) (01-08-2024)“…A new formalism is introduced that makes it possible to elucidate the physical and geometric content of quantum space–time. It is based on the Minimum Group…”
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Quantum-Spacetime Symmetries: A Principle of Minimum Group Representation
Published in Universe (Basel) (01-01-2024)“…We show that, as in the case of the principle of minimum action in classical and quantum mechanics, there exists an even more general principle in the very…”
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Modular slowing of resting-state dynamic functional connectivity as a marker of cognitive dysfunction induced by sleep deprivation
Published in NeuroImage (Orlando, Fla.) (15-11-2020)“…Dynamic Functional Connectivity (dFC) in the resting state (rs) is considered as a correlate of cognitive processing. Describing dFC as a flow across morphing…”
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Non-Riemannian geometry, Born–Infeld models and trace free gravitational equations
Published in Journal of high energy astrophysics (01-12-2017)“…Non-Riemannian generalization of the standard Born–Infeld (BI) Lagrangian is introduced and analyzed from a theory of gravitation with dynamical torsion field…”
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10
Dynamo effects and geometrical origin of the alpha term in affine theory of gravity
Published in Physics of particles and nuclei letters (01-11-2017)“…Dynamo effect is considered in the context of an Unified field theoretical model based in affine geometries. We show that there exists an analog “α-term” in…”
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11
On Einstein–Born–Infeld conformally invariant theory
Published in The European physical journal. C, Particles and fields (01-03-2023)“…A new Weyl Born Infeld model is presented. It takes as basis the formalism for the mathematical description of conformal gravity based on the local twistor…”
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12
On some geometrical aspects of the potential structure of the equations of evolution: The case of Navier-Stokes
Published in Europhysics letters (01-08-2022)“…Abstract In this paper we discuss the potential structure of the evolution equations, in particular Navier-Stokes. To this end, the method of prolongation of…”
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13
Charge dynamics, Majorana condition and the topology of the interacting electromagnetic field
Published in Physics of particles and nuclei letters (01-11-2017)“…In previous works [1, 2], the 2-dimensional charge transport with parallel (in plane) magnetic field was considered from the theoretical point of view showing…”
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14
Dark matter candidates, helicity effects and new affine gravity with torsion
Published in Journal of high energy astrophysics (01-03-2017)“…The cross section for neutrino helicity spin-flip obtained from a new f(R,T) model of gravitation with dynamic torsion field is phenomenologically analyzed. To…”
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15
Dynamic Functional Connectivity as a complex random walk: Definitions and the dFCwalk toolbox
Published in MethodsX (01-01-2020)“…Functional Connectivity, describing the interaction between brain regions beyond their anatomical interconnection, is highly dynamic even when no task is…”
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Peccei–Quinn Transformations and Black Holes: Orbit Transmutations and Entanglement Generation
Published in Universe (Basel) (01-03-2017)“…In a recent paper (Mod. Phys. Lett. A 2015, 30, 1550104), the black-hole/qubit correspondence (BHQC) was exploited to define “black hole quantum circuits”…”
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17
Understanding the physical systems from their underlying geometrical and topological properties
Published in Physics of particles and nuclei letters (2016)“…As it is well known, a certain lack of theoretical understanding of the mechanisms governing the various phenomena exists in several areas of physics. In…”
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Cerebrospinal fluid examination may be useful in diagnosing neurosyphilis in asymptomatic HIV+ patients with syphilis
Published in Arquivos de neuro-psiquiatria (01-02-2016)“…Lumbar puncture in neurologically asymptomatic HIV+ patients is still under debate. There are different criteria for detecting neurosyphilis through…”
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19
Axisymmetric Force-Free Magnetospheres and Theoretical Models Beyond General Relativity: Magnetic Moment of Axion Stars
Published in Physics of particles and nuclei letters (01-11-2019)“…The magnetosphere structure of a magnetar is considered in the context of a theory of gravity with dynamical torsion field beyond the standard General…”
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Different patterns of intrinsic functional connectivity at the default mode and attentional networks predict crystalized and fluid abilities in childhood
Published in Cerebral cortex communications (01-07-2023)“…Abstract Crystallized abilities are skills used to solve problems based on experience, while fluid abilities are linked to reasoning without evoke prior…”
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