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The analysis of a meteorite reveals secrets about the birth of the solar system
An international team of cosmochemists and astrophysicists, which includes Jordi José, a researcher from the Physics Department of the UPC and the Institut d'Estudis Espacials de Catalunya (IEEC), has discovered a meteorite grain forged during the final phases of a star disappeared a long time ago. Encapsulated in a meteorite collected in Antarctica, the tiny grain - only a few microns in size - has shed new light on the terminal phases of star life and how they sow the universe with the building blocks of new stars, planets and life.
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Researchers design light-powered nano-swimmers
A team of researchers made up of professors from the UPC Physics department, from the Institute of Nanoscience and Nanotechnology, University of Barcelona, ​​and from the University of Wisconsin-Madison, USA, have designed the theoretical prototype of a nano-swimmer that could drive directionally with light.
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Pablo Amil defends his thesis on medical image analysis using artificial intelligence
Pablo Amil defended his doctoral thesis supervised by Cristina Masoller, in the ETSIAAT in Terrassa on February 11, 2020. Titled "Machine learning methods for the characterization and classification of complex data", the thesis presents several automatic learning methods focused particularly on the analysis of ophthalmological images, and complex data in general. The results presented in the thesis show how the proposed artificial intelligence methods are able to distinguish healthy eyes from sick eyes
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Jorge Enrique Velasco Cruz defends his thesis on metallic glasses
Jorge Enrique defended his thesis coadvised by Daniel Crespo and Eloi Pineda on the 28th of June in Campus del Besos. Entitled "Study of the elastic inhomogeneity in metallic glass in the mesoscale", the thesis presents an analysis of the anisotropy of glasses using molecular dynamics simulations
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Fading of the polaron in a gas of bosons due to temperature effect
PhD student Gerard Pascual and professor Jordi Boronat of the research group Approaches to the first principles in condensed matter physics: quantum effects and complexity; have published a paper in the journal Physical Review Letters, where it is theoretically described how a polaron, the result of the interaction of an impurity with a gas of bosons in the condensation phase, disappears due to the effect of temperature
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New physical mechanism for the formation of transverse finger bars in beaches with abundant supply of sand
Albert Falqués and Francesca Ribas, from the group of Nonlinear fluid dynamics of the Physics Department, together with two other researchers from the UPC, have discovered a new morphodynamic instability mechanism that can explain the formation of alongshore-rhythmic systems of transverse finger bars that often develop at beaches with an abundant supply of sand, like those at El Trabucador beach, in the Ebro delta
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The new research on intrinsic correlation between the fraction of liquid-like zones and the beta-relaxation in high-entropy metallic glasses
Researchers Y. J. Duan, E. Pineda and D. Crespo, from the Group of Materials Characterization of the UPC, have made new progress to understand the mechanical properties of high-entropy metallic glasses. The work clarifies the correlation between the fraction of liquid-like zones, i.e. the fraction of atoms that can easily rearrange under the effect of external forces, and the secondary or β relaxation observed in these materials. Besides, the work reveals the high-entropy effect on the supercooled liquid dynamics of the metallic melt.
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Innovative methods for selectively fragmenting molecules with laser X-rays are proposed
Carles Serrat Jurado, a professor in the Department of Physics at the UPC, has demonstrated in research that the interior of a molecule can be modified locally and selectively by applying hard X-ray lasers. The work has been published in the reference scientific journal 'The Journal of Physical Chemistry'
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Raúl Bombín Escudero defends his thesis on dipolar systems in the degenerate quantum regimen
Raúl Bombín Escudero defended his thesis, co-directed by Jordi Boronat Médico and Fernando Pablo Mazzanti Castrillejo on December 13 on the North Campus titled "Ultracold bose and fermi dipolar gases: a quantum Monte Carlo study", the thesis presents a study on dipolar systems in the degenerate quantum regimen.
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The study of the color of enamels and historical glasses colored by copper and iron
Mingyue Yuan defended his thesis directed by Trinitat Pradell Cara on 17th of November at Campus Diagonal Besos. Entitled "Historical copper and iron colored glazes and glasses", the thesis presents an understanding of the mechanisms of coloring and compositional differences in historical enamels and glasses, and offers valuable information on ancient glassmaking technologies.
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