304 citations
- Universidade de São PauloBR71 papers
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13 papers · 1 filter
Light propagation in magnetoelectric materials: The role of optical coefficients in refractive index modulation
Vitorio A. De Lorenci, Lucas T. de Paula
Investigations into optical phenomena associated with nonlinear magnetoelectric effects are attracting growing attention within the scientific community. Technologies constantly de…
Feasibility of singularity avoidance for a collapsing object due to a scalar field
Eduardo Bittencourt, Alan G. Cesar, Jonas P. Pereira
We study the problem of the gravitational collapse of an object as seen by an external observer. We assume that the resultant spacetime is a match of an external Vaidya spacetime w…
PDRs4All IV. An embarrassment of riches: Aromatic infrared bands in the Orion Bar
Ryan Chown, Ameek Sidhu, Els Peeters +136
(Abridged) Mid-infrared observations of photodissociation regions (PDRs) are dominated by strong emission features called aromatic infrared bands (AIBs). The most prominent AIBs ar…
PDRs4All II: JWST's NIR and MIR imaging view of the Orion Nebula
Emilie Habart, Els Peeters, Olivier Berné +139
The JWST has captured the most detailed and sharpest infrared images ever taken of the inner region of the Orion Nebula, the nearest massive star formation region, and a prototypic…
A limit of nonplanar 5-body central configurations is nonplanar
Alain Albouy, Antonio Carlos Fernandes
Moeckel (1990), Moeckel and Simó (1995) proved that, while continuously changing the masses, a 946-body planar central configuration bifurcates into a spatial central configuration…
Revisiting the mass of open clusters with \emph{Gaia} data
Anderson Almeida, Hektor Monteiro, Wilton S. Dias
The publication of the \emph{Gaia} catalogue and improvements in methods to determine memberships and fundamental parameters of open clusters has led to major advances in recent ye…