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Discovery of a neutron star that behaves like a black hole
An international scientific team, in which Yuri Cavecchi, from the physics department of the UPC has participated, and led by the Instituto de Astrofísica de Canarias (IAC), has found a neutron star that steals matter from a companion star in a violent and unstable. This process, previously only observed in black holes. The study is published in the journal Nature.
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Discovered a spin-crossover compound for solid-state cooling
Researchers from the Group of Characterization of Materials at the Department of Physics of the UPC along with international collaborators have discovered a spin-crossover compound that undergoes a giant thermal response driven by pressure. This work, published in Advanced Materials, open routes to exploit this type of compounds in future solid-state refrigeration technologies as alternative to current methods that use harmful fluids
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One dimensional quantum lattice liquids
In a recent article published in Physical Review Letters, a mixed team from the Universitat Politècnica de Catalunya (UPC) and the Universitat de Barcelona (UB), present a microscopic theory of bound quantum droplets that explains their formation.
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Clara Prats and Nura Ahmad rely on mathematical models to improve tuberculosis control in Nigeria
Researchers from the Department of Physics of the Higher School of Agriculture of Barcelona (ESAB), design a pilot plan to improve the diagnosis and control of tuberculosis in the city of Gombe, located northeast of Nigeria. The project has received funding in the last call for aid from the Center for Development Cooperation (CCD) of the UPC.
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Seismicity at the Castor gas reservoir, offshore Spain, was controlled by pore pressure diffusion and the failure of loaded asperities on a shallow fault
An international team led by scientists at GFZ Helmholtz Centre Potsdam, in collaboration with colleagues by Spanish, Italian and US institutions, where collaborates Estefania Blanch from the department of Physics of the EPSEB, is publishing a new scientific work on induced seismicity in Europe in the Journal Nature Communications.
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Recent advances on coastal remote sensing and applications to Castelldefels and Barcelona beaches
Daniel Calvete and Francesca Ribas, from the group of Nonlinear fluid dynamics, have been working for a few years on the development of image analysis techniques to extract information from video cameras installed on the beaches of Castelldefels and Barcelona, to be able to quantify their evolution
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David Arcos' thesis takes a step further in the characterization of two-dimensional materials
On Tuesday 19 July, doctoral student David Arcos Gutiérrez defended his thesis entitled Optoelectronic characterization of two-dimensional materials at high frequencies, which was co-directed by Núria Ferrer Anglada and Lluís Ametller Congost. In the thesis, non-destructive characterization methods are analyzed, applied and compared at frequencies above 1 GHz, which are used to characterize samples of 2D materials on different substrates. The optoelectronic properties of two heterostructures are also measured. (graphene / MoS2 and graphene / WS2 on molten quartz) and are compared with those of individual materials
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Viktor Cikojević defended his thesis on the study of ultracold atomic mixtures
Viktor Cikojević defended his thesis co-directed by Leandra Vranješ Markić and Jordi Boronat on April 20th 2021 at Campus Diagonal Nord, titled "Ab-initio Quantum Monte Carlo study of ultracold atomic mixtures". The thesis presents a systematic study of self-bound quantum droplets in a Bose-Bose mixture, employing techniques of Quantum Monte Carlo and Density Functional Theory.
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Heat can freeze fluids in the quantum world
An international collaboration between researchers from Denmark, Spain and Austria, which includes the postdoctoral researcher at UPC, Juan Sánchez Baena, as first author, shows that heating does not always melt a solid material. Their discovery reveals how increasing the temperature of an ultracold quantum fluid can trigger its phase transition to a solid state.
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Unmasking the microscopic fingerprint in finite-temperature features of a one-dimensional Bose gas
A team of researchers from UPC in Barcelona and EPFL in Lausanne built a new theory to explain the finite-temperature properties in terms of microscopic excitations of bosons in one dimension
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