Search Results - "Fernández, David Rodríguez"

Holographic Quark Matter and Neutron Stars by Hoyos, Carlos, Jokela, Niko, Rodríguez Fernández, David, Vuorinen, Aleksi

“…We use a top-down holographic model for strongly interacting quark matter to study the properties of neutron stars. When the corresponding equation of state…”
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Holographic compact stars meet gravitational wave constraints by Annala, Eemeli, Ecker, Christian, Hoyos, Carlos, Jokela, Niko, Fernández, David Rodríguez, Vuorinen, Aleksi

“…A bstract We investigate a simple holographic model for cold and dense deconfined QCD matter consisting of three quark flavors. Varying the single free…”
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Stiff phases in strongly coupled gauge theories with holographic duals by Ecker, Christian, Hoyos, Carlos, Jokela, Niko, Fernández, David Rodríguez, Vuorinen, Aleksi

“…A bstract According to common lore, Equations of State of field theories with gravity duals tend to be soft, with speeds of sound either below or around the…”
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Progress in the Use of Biobutanol Blends in Diesel Engines by Fernández-Rodríguez, David, Lapuerta, Magín, German, Lizzie

“…Nowadays, the transport sector is trying to face climate change and to contribute to a sustainable world by introducing modern after-treatment systems or by…”
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Turbulent hydrodynamics in strongly correlated Kagome metals by Di Sante, Domenico, Erdmenger, Johanna, Greiter, Martin, Matthaiakakis, Ioannis, Meyer, René, Fernández, David Rodríguez, Thomale, Ronny, van Loon, Erik, Wehling, Tim

“…A current challenge in condensed matter physics is the realization of strongly correlated, viscous electron fluids. These fluids can be described by…”
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Black holes in multi-fractional and Lorentz-violating models by Calcagni, Gianluca, Rodríguez Fernández, David, Ronco, Michele

“…We study static and radially symmetric black holes in the multi-fractional theories of gravity with q -derivatives and with weighted derivatives, frameworks…”
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Analysis of Soot from the Use of Butanol Blends in a Euro 6 Diesel Engine by Lapuerta, Magín, Sánchez-Valdepeñas, Jesús, Barba, Javier, Fernández-Rodríguez, David, Andrés, Juan Pedro, García, Tomás

“…The use of advanced fuels must increase from 0.5 to 3.6% of the total fuel consumption in internal combustion engines according to the forthcoming European…”
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Electric conductivity in non-Hermitian holography by Xian, Zhuo-Yu, Rodríguez Fernández, David, Chen, Zhaohui, Liu, Yang, Meyer, René

“…We study the phase structure and charge transport at finite temperature and chemical potential in the non-Hermitian \mathcal{PT} -symmetric holographic model…”
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Ward identities and relations between conductivities and viscosities in holography by Hoyos, Carlos, Fernández, David Rodríguez

“…A bstract We derive relations between viscosities and momentum conductivity in 2 + 1 dimensions by finding a generalization of holographic Ward identities for…”
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Autoignition study of LPG blends with diesel and HVO in a constant-volume combustion chamber by Oliva, Fermín, Fernández-Rodríguez, David

“…•LPG-HVO blends in HD engines enable new technologies for reducing GHG emissions.•The use of pilot injection strategies leads to a reduction in ignition delay…”
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Modeling viscosity of butanol and ethanol blends with diesel and biodiesel fuels by Lapuerta, Magín, Rodríguez-Fernández, José, Fernández-Rodríguez, David, Patiño-Camino, Rayda

“…•Alcohols in diesel or biodiesel cause a strong non-linear decrease of viscosity.•Viscosity of all butanol-diesel blends remains within a permissible…”
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Cold flow and filterability properties of n-butanol and ethanol blends with diesel and biodiesel fuels by Lapuerta, Magín, Rodríguez-Fernández, José, Fernández-Rodríguez, David, Patiño-Camino, Rayda

“…•Bioalcohols contribute to improve cold-flow properties in diesel/biodiesel blends.•Butanol blends show better cold-flow properties than less miscible ethanol…”
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Cold- and warm-temperature emissions assessment of n-butanol blends in a Euro 6 vehicle by Lapuerta, Magín, Ramos, Ángel, Barba, Javier, Fernández-Rodríguez, David

“…•Euro 6 vehicle tested under driving cycle with n-butanol blends at 24 °C and −7 °C.•Butanol blends up to 16% showed benefits in particle number and mass…”
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Autoignition of blends of n-butanol and ethanol with diesel or biodiesel fuels in a constant-volume combustion chamber by Lapuerta, Magín, Hernández, Juan José, Fernández-Rodríguez, David, Cova-Bonillo, Alexis

“…Recently, there is increasing interest in using butanol as a renewable component not only for gasoline but also for diesel fuels. This work investigates the…”
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Affordable medium-finesse optical cavity for diode laser stabilization by Fernández, David Rodríguez, Torres, Manuel Alejandro Lefrán, Cardoso, Marcos Roberto, Kondo, Jorge Douglas Massayuki, Saffman, Mark, Marcassa, Luis Gustavo

“…We have constructed and characterized an affordable medium-finesse optical cavity ( F ∼ 1500 ) for the stabilization of tunable diode lasers at two different…”
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High resolution laser spectroscopy of iodine molecule in the 14400–14600 cm−1 range by Fernández, David Rodríguez, Torres, Manuel Alejandro Lefrán, Cardoso, Marcos Roberto, Kondo, Jorge Douglas Massayuki, Marcassa, Luis Gustavo

“…We have extended our previous work (Torres et al., 2022) by performing absorption laser spectroscopy of I2 in the 14400–14600 cm−1 range, using a narrow…”
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Sonoelastography of Plantar Fascia: Reproducibility and Pattern Description in Healthy Subjects and Symptomatic Subjects by Ríos-Díaz, José, Martínez-Payá, Jacinto J, del Baño-Aledo, María Elena, de Groot-Ferrando, Ana, Botía-Castillo, Paloma, Fernández-Rodríguez, David

“…Abstract The purpose of the work reported here was to describe the sonoelastographic appearance of the plantar fascia of healthy volunteers and patients with…”
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Varying electric charge in multiscale spacetimes by Calcagni, Gianluca, Magueijo, João, Fernández, David Rodríguez

“…We derive the covariant equations of motion for Maxwell field theory and electrodynamics in multiscale spacetimes with weighted Laplacian. An effective…”
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Semi-Supervised Semantic Image Segmentation by Deep Diffusion Models and Generative Adversarial Networks by Díaz-Francés, José Ángel, Fernández-Rodríguez, José David, Thurnhofer-Hemsi, Karl, López-Rubio, Ezequiel

“…Typically, deep learning models for image segmentation tasks are trained using large datasets of images annotated at the pixel level, which can be expensive…”
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A convolutional autoencoder and a neural gas model based on Bregman divergences for hierarchical color quantization by Fernández-Rodríguez, José David, Palomo, Esteban J., Benito-Picazo, Jesús, Domínguez, Enrique, López-Rubio, Ezequiel, Ortega-Zamorano, Francisco

“…•We present a novel hybrid model composed of a convolutional autoencoder and a Growing Hierarchical Bregman Neural Gas (GHBNG) for hierarchical color…”
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