Centro de Investigación DAiTA Lab: Envíos recientes
Mostrando ítems 1-20 de 28
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V4142 Sgr: Double periodic variable with an accretor surrounded by the accretion disk's atmosphere
(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 ... -
Effect of intersystem crossing rates and optical illumination on the polarization of nuclear spins close to nitrogen-vacancy centers
(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 ... -
Sensing Electrochemical Signals Using a Nitrogen-Vacancy Center in Diamond
(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
(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 ... -
Estimating the degree of non-Markovianity using machine learning
(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 ... -
Probabilistic magnetometry with a two-spin system in diamond
(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
(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, ... -
A neural network for prediction of high intensity resonance modes in magnetic multilayers
(IOP Publishing Ltd, 2021-07)The use of magnetic materials as building blocks for frequency applications makes it possible to fabricate micrometer and nanometer high frequency devices. Moreover, devices with multiple high intensity modes for multiband ... -
First-Principles Identification of Single Photon Emitters Based on Carbon Clusters in Hexagonal Boron Nitride
(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 ... -
Stable and unstable trajectories in a dipolar chain
(AMER PHYSICAL SOC, 2021-05-27)In classical mechanics, solutions can be classified according to their stability. Each of them is part of the possible trajectories of the system. However, the signatures of unstable solutions are hard to observe in an ... -
Analytical solutions for radiation-driven winds in massive stars - II. The δ-slow regime
(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 ... -
Mechanical and structural assessment of CuZr metallic glasses rejuvenated by thermal-pressure treatments
(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 ... -
Thermal Stability of Hollow Porous Gold Nanoparticles: A Molecular Dynamics Study
(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
(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 ... -
Highly porous tungsten for plasma-facing applications in nuclear fusion power plants: a computational analysis of hollow nanoparticles
(IOP Publishing Ltd., 2020-09)Plasma-facing materials (PFMs) for nuclear fusion, either in inertial confinement fusion (ICF) or in magnetic confinement fusion (MCF) approaches, must withstand extremely hostile irradiation conditions. Mitigation strategies ... -
Phase space classification of an Ising cellular automaton: The Q2R model
(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 ... -
Enhancement of the spin-wave nonreciprocity in antiferromagnetically coupled multilayers with dipolar and interfacial Dzyaloshinskii-Moriya interactions
(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 ... -
From the open generalized Heisenberg model to the Landau-Lifshitz equation
(IOP Publishing Ltd., 2020-10)Magnetic systems can be described by the classical Landau-Lifshitz (LL) equation or the fully quantum open generalized Heisenberg model. Using the Lindblad master equation and the mean-field approximation, we demonstrate ... -
Dynamics of Rydberg excitations and quantum correlations in an atomic array coupled to a photonic crystal waveguide
(American Physical Society, 2020-08)We study the dynamics of up to two Rydberg excitations and the correlation growth in a chain of atoms coupled to a photonic crystal waveguide. In this setup, an excitation can hop from one atom to another via exponentially ... -
Simulation of the Reactivation of Partially Inactivated Biocatalysts in Sequential Batch Reactors
(MDPI AG, 2020-11)The enzymatic reactivation process enables the recovery of catalytic activity for inactive biocatalysts. However, its effect on the specific productivity of the processes has not been studied. The main objective of this ...