Listar Papers publicados por DAiTA Lab por autor "Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile"
Mostrando ítems 1-15 de 15
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Analytical solutions for radiation-driven winds in massive stars - II. The δ-slow regime
Christen, Alejandra; Cure, Michel; Cidale, LS; Venero, R. O. J.; Arcos, Catalina; Gormaz-Matamala, Alex; Haucke, M.; Escarate, Pedro; Claveria, H.; Araya, Ignacio [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile] (OXFORD UNIV PRESS, 2021-04-29)Accurate mass-loss rates and terminal velocities from massive stars winds are essential to obtain synthetic spectra from radiative transfer calculations and to determine the evolutionary path of massive stars. From a ... -
Collisions between amorphous carbon nanoparticles: phase transformations
Nietiadi, Maureen L.; Valencia, Felipe J. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Gonzalez, Rafael I. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Bringa, Eduardo M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Urbassek, Herbert M. (EDP Sciences, 2020-09)Context. Collisions of nanoparticles (NPs) occur in dust clouds and protoplanetary disks.Aims. Sticking collisions lead to the growth of NPs, in contrast to bouncing or even fragmentation events and we aim to explore these ... -
Effect of intersystem crossing rates and optical illumination on the polarization of nuclear spins close to nitrogen-vacancy centers
Duarte, H.; Dinani, H. T. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Jacques, V.; Maze, J. R. (AMER PHYSICAL SOC, 2021-03-27)Several efforts have been made to polarize the nearby nuclear environment of nitrogen-vacancy (NV) centers for quantum metrology and quantum information applications. Different methods showed different nuclear spin ... -
Enhancement of the spin-wave nonreciprocity in antiferromagnetically coupled multilayers with dipolar and interfacial Dzyaloshinskii-Moriya interactions
Franco, A. F. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Landeros, P. (American Physical Society, 2020-11)Spin-wave-based circuits and logic devices have been considered as an alternative to current electronic devices as they approach the physical limit of miniaturization. Asymmetrical propagation of spin waves, also known as ... -
Estimating the degree of non-Markovianity using machine learning
Fanchini, Felipe F.; Karpat, Goktug; Rossatto, Daniel Z.; Norambuena, Ariel [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Coto, Raúl [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile] (AMER PHYSICAL SOC, 2021-02-24)In the last few years, the application of machine learning methods has become increasingly relevant in different fields of physics. One of the most significant subjects in the theory of open quantum systems is the study ... -
First-Principles Identification of Single Photon Emitters Based on Carbon Clusters in Hexagonal Boron Nitride
Jara, Cesar; Rauch, Tomas; Botti, Silvana; Marqués, Miguel A. L.; Castellanos-Aguila, J. E.; Coto, Raúl; Maze, Jerónimo R.; Muñoz, Francisco; Norambuena, Ariel [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Coto, Raúl [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile] (AMER CHEMICAL SOC, 2021-02-18)A recent study associates carbon with single photon emitters (SPEs) in hexagonal boron nitride (h-BN). This observation, together with the high mobility of carbon in h-BN, suggests the existence of SPEs based on carbon ... -
Mechanical and structural assessment of CuZr metallic glasses rejuvenated by thermal-pressure treatments
Amigo, Nicolas [Univ Mayor, Fac Estudios Interdisciplinarios, Escuela Data Sci, Chile]; Valencia, Felipe [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile] (ELSEVIER, 2021-09-06)Thermal-pressure treatments have proved to bring metallic glasses (MGs) to rejuvenated states. However the knowledge regarding their effect on the mechanical properties and atomic structure is still limited. Here, molecular ... -
Phase space classification of an Ising cellular automaton: The Q2R model
Montalva-Medel, Marco; Rica, Sergio; Urbina, Felipe [Univ Mayor, Fac Estudios Interdisciplinarios, DAiTA Lab, Chile] (Elsevier Ltd., 2020-04)An exact classification of the different dynamical behaviors that exhibits the phase space of a reversible and conservative cellular automaton, the so-called Q2R model, is shown in this paper. Q2R is a cellular automaton ... -
Probabilistic magnetometry with a two-spin system in diamond
Coto, Raúl [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Dinani, Hossein T. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Norambuena, Ariel [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Chen, Mo; Maze, Jerónimo R. (IOP Publishing Ltd, 2021-07)Solid-state magnetometers like the nitrogen-vacancy (NV) center in diamond have been of paramount importance for the development of quantum sensing with nanoscale spatial resolution. The underlying protocol is a Ramsey ... -
Probing Charge Dynamics in Diamond with an Individual Color Center
Gardill, Aedan; Kemeny, Ishita; Cambria, Matthew C.; Li, Yanfei; Dinani, Hossein T. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Norambuena, Ariel [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Maze, Jeronimo R.; Lordi, Vincenzo; Kolkowitz, Shimon (AMER CHEMICAL SOC, 2021-08-25)Control over the charge states of color centers in solids is necessary to fully utilize them in quantum technologies. However, the microscopic charge dynamics of deep defects in wide-band-gap semiconductors are complex, ... -
Sensing Electrochemical Signals Using a Nitrogen-Vacancy Center in Diamond
Dinani, Hossein T. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Muñoz, Enrique; Maze, Jerónimo R. (MDPI, 2021-02)Chemical sensors with high sensitivity that can be used under extreme conditions and can be miniaturized are of high interest in science and industry. The nitrogen-vacancy (NV) center in diamond is an ideal candidate as a ... -
Simulations of primary damage in a High Entropy Alloy: Probing enhanced radiation resistance
Deluigi, O. R.; Pasianot, R. C.; Valencia, F. J. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Caro, A.; Farkas, D.; Bringa, E. M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile] (PERGAMON-ELSEVIER SCIENCE LTD, 2021-07)High Entropy Alloys (HEA) attract attention as possible radiation resistant materials, a feature observed in some experiments that has been attributed to several unique properties of HEA, in particular to the disorder-induced ... -
Thermal Stability of Hollow Porous Gold Nanoparticles: A Molecular Dynamics Study
Valencia, Felipe J. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Ramirez, Max; Varas, Alejandro; Rogan, José; Kiwi, Miguel (American Chemical Society, 2020-12)Hollow nanoparticle structures play a major role in nanotechnology and nanoscience since their surface to volume ratio is significantly larger than that of filled ones. While porous hollow nanoparticles offer a significant ... -
Understanding contagion dynamics through microscopic processes in active Brownian particles
Norambuena, Ariel [Univ Mayor, Ctr Invest DAiTA LAB, Fac Estudios Interdisciplinarios, Chile]; Valencia, Felipe J. [Univ Mayor, Fac Ciencias, Ctr Invest DAiTA Lab, Chile]; Guzman-Lastra, Francisca [Univ Mayor, Fac Ciencias, Ctr Invest DAiTA Lab, Chile] (Nature Publishing Group, 2020-11)Together with the universally recognized SIR model, several approaches have been employed to understand the contagion dynamics of interacting particles. Here, Active Brownian particles (ABP) are introduced to model the ... -
V4142 Sgr: Double periodic variable with an accretor surrounded by the accretion disk's atmosphere
Rosales, JA.; Mennickent, RE.; Djurasevic, G.; Araya, I. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile]; Cure, M.; Schleicher, DRG.; Petrovic, J. (EDP SCIENCES S A, 2023-02-10)Context. A detailed study of the close interacting binary V4142 Sgr, based on photometric and spectroscopic analyses, indicates that this system belongs to the enigmatic class of Algol-like variables exhibiting a long ...