• A neural network for prediction of high intensity resonance modes in magnetic multilayers 

      Franco, A. F. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest, DAiTA Lab, Chile] (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 ...
    • 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 ...
    • Coding closed and open quantum systems in MATLAB: applications in quantum optics and condensed matter 

      Norambuena, Ariel [Ctr Invest DAiTA LAB, Fac Estudios Interdisciplinarios, Univ Mayor, Chile]; Tancara, Diego; Coto, Raúl [Ctr Invest DAiTA LAB, Fac Estudios Interdisciplinarios, Univ Mayor, Chile] (IOP PUBLISHING LTD, 2020-07)
      We develop a package of numerical simulations implemented in MATLAB to solve complex many-body quantum systems. We focus on widely used examples that include the calculation of the magnetization dynamics for the closed and ...
    • 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 ...
    • Correction to: Detecting social media users based on pedestrian networks and neighborhood attributes: an observational study 

      Masias, Victor H.; Hecking, Tobias; Crespo, Fernando [Univ Mayor, Fac Estudios Interdisciplinarios, DAiTA Lab, Chile]; Hoppe, H. Ulrich (Chile. Universidad Mayor, 2019)
      Following publication of the original article [1], the author reported that figure 5 numbered correction was not implemented during the production process. The corrected figure can be found below.
    • Detecting social media users based on pedestrian networks and neighborhood attributes: an observational study 

      Masias, Victor H.; Hecking, Tobias; Crespo, Fernando [Univ Mayor, Fac Estudios Interdisciplinarios, DAiTA Lab, Chile]; Hoppe, H. Ulrich (Chile. Universidad Mayor, 2019)
      This paper proposes a methodological approach to explore the ability to detect social media users based on pedestrian networks and neighborhood attributes. We propose the use of a detection function belonging to the Spatial ...
    • Dynamics of Rydberg excitations and quantum correlations in an atomic array coupled to a photonic crystal waveguide 

      Chougale, Yashwant; Talukdar, Jugal; Ramos, Tomas [Univ Mayor, Fac Estudios Interdisciplinarios, DAiTA Lab, Chile]; Nath, Rejish (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 ...
    • 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 ...
    • Effect of phonons on the electron spin resonance absorption spectrum 

      Norambuena, Ariel [Ctr Invest DAiTA LAB, Fac Estudios Interdisciplinarios, Univ Mayor, Chile]; Jimenez, Alejandro; Becher, Christoph; Maze, Jerónimo R. (IOP Publishing Ltd., 2020-07)
      The unavoidable presence of vibrations in solid-state devices can drastically modify the expected electron spin resonance (ESR) absorption spectrum in magnetically active systems. In this work, we model the effect of phonons ...
    • 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 ...
    • From the open generalized Heisenberg model to the Landau-Lifshitz equation 

      Norambuena, Ariel [Univ Mayor, Ctr Invest DAiTA LAB, Fac Estudios Interdisciplinarios, Chile]; Franco, Andrés [Univ Mayor, Ctr Invest DAiTA LAB, Fac Estudios Interdisciplinarios, Chile]; Coto, Raúl [Univ Mayor, Ctr Invest DAiTA LAB, Fac Estudios Interdisciplinarios, Chile] (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 ...
    • Highly porous tungsten for plasma-facing applications in nuclear fusion power plants: a computational analysis of hollow nanoparticles 

      Díaz-Rodríguez, Pablo; Muñoz, Francisco; Rogan, José; Martin-Bragado, Ignacio; Perlado, J. M.; Peña-Rodríguez, Ovidio; Rivera, Antonio; Valencia, Felipe J. [Univ Mayor, Fac Ciencias, Ctr Invest DAiTA Lab, Chile] (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 ...
    • 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 ...
    • Shear transformation zones structure characterization in Cu50Zr50 metallic glasses under tensile test 

      Amigo, Nicolás [Univ Mayor, Fac Estudios Interdisciplinarios, Nucleo Matemat Fis & Estadist, Chile]; Urbina, Felipe [Univ Mayor, Fac Estudios Interdisciplinarios, DAiTA Lab, Chile]; Valencia, Felipe J. [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab, Chile] (Elsevier, 2020-11)
      The atomic structure of Cu50Zr50 metallic glasses under tensile test was investigated using molecular dynamics simulations. Voronoi polyhedra analysis was employed to calculate the number of neighbors for each atom, obtained ...


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