121 citations · 544 across the 25 of their papers we have counts for
25 papers
Magnetic and phonon-induced effects on the non-Markovian dynamics of a single solid-state defect
Ariel Norambuena, Diego Tancara, Vicente Chomalí-Castro +1
The electron-phonon interaction is one of the most fundamental mechanisms in condensed matter physics. Phonons can induce memory effects in solid-state platforms when localized ele…
Quantum kernels for classifying dynamical singularities in a multiqubit system
Diego Tancara, José Fredes, Ariel Norambuena
Dynamical quantum phase transition is a critical phenomenon involving out-of-equilibrium states and broken symmetries without classical analogy. However, when finite-sized systems…
A physically motivated analytical expression for the temperature dependence of the zero-field splitting of the nitrogen-vacancy center in diamond
M. C. Cambria, G. Thiering, A. Norambuena +7
The temperature dependence of the zero-field splitting (ZFS) between the and levels of the nitrogen-vacancy (NV) center's electronic ground-…
Sequential epidemic spread between agglomerates of self-propelled agents in one dimension
Pablo de Castro, Felipe Urbina, Ariel Norambuena +1
Motile organisms can form stable agglomerates such as cities or colonies. In the outbreak of a highly contagious disease, the control of large-scale epidemic spread depends on fact…
Engineering non-Markovianity from defect-phonon interactions
Francisco J. González, Diego Tancara, Hossein T. Dinani +2
Understanding defect-phonon interactions in solid-state devices is crucial for improving our current knowledge of quantum platforms. In this work, we develop first-principles calcu…
Kernel-based quantum regressor models learn non-Markovianity
Diego Tancara, Hossein T. Dinani, Ariel Norambuena +2
Quantum machine learning is a growing research field that aims to perform machine learning tasks assisted by a quantum computer. Kernel-based quantum machine learning models are pa…
Temperature-dependent spin-lattice relaxation of the nitrogen-vacancy spin triplet in diamond
M. C. Cambria, A. Norambuena, H. T. Dinani +8
Spin-lattice relaxation within the nitrogen-vacancy (NV) center's electronic ground-state spin triplet limits its coherence times, and thereby impacts its performance in quantum ap…
Physics-informed neural networks for quantum control
Ariel Norambuena, Marios Mattheakis, Francisco J. González +1
Quantum control is a ubiquitous research field that has enabled physicists to delve into the dynamics and features of quantum systems, delivering powerful applications for various…
Dynamical quantum phase transition in diamond: applications in quantum metrology
Francisco J. González, Ariel Norambuena, Raúl Coto
Nonequilibrium dynamics is a paramount scenario for studying quantum systems. The emergence of new features with no equilibrium counterpart, such as dynamical quantum phase transit…
Estimating the degree of non-Markovianity using variational quantum circuits
Hossein T. Dinani, Diego Tancara, Felipe F. Fanchini +2
Several applications of quantum machine learning (QML) rely on a quantum measurement followed by training algorithms using the measurement outcomes. However, recently developed QML…
Polariton-based quantum memristors
Ariel Norambuena, Felipe Torres, Massimiliano Di Ventra +1
Information processing and storing by the same physical system is emerging as a promising alternative to traditional computing platforms. In turn, this requires the realization of…
Probing charge dynamics in diamond with an individual color center
A. Gardill, I. Kemeny, M. C. Cambria +6
Control over the charge states of color centers in solids is necessary in order to fully utilize them in quantum technologies. However, the microscopic charge dynamics of deep defe…
Steering Interchange of Polariton Branches via Coherent and Incoherent Dynamics
Diego Tancara, Ariel Norambuena, Rubén Peña +3
Controlling light-matter based quantum systems in the strong coupling regime allows for exploring quantum simulation of many-body physics in nowadays architectures. For instance, t…
Estimating the degree of non-Markovianity using machine learning
Felipe F. Fanchini, Göktuğ Karpat, Daniel Z. Rossatto +2
In the last 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 o…
First-principles identification of single photon emitters based on carbon clusters in hexagonal boron nitride
Cesar Jara, T. Rauch, Silvana Botti +5
A recent study associate carbon with single photon emitters (SPEs) in hexagonal boron nitride (h-BN). This observation, together with the high mobility of carbon in h-BN suggest th…
Understanding Contagion Dynamics through Microscopic Processes in Active Brownian Particles
Ariel Norambuena, Felipe Valencia, Francisca Guzmán-Lastra
Together with the universally recognized SIR model, several approaches have been employed to understand the contagious dynamics of interacting particles. Here, Active Brownian part…
State-dependent phonon-limited spin relaxation of nitrogen-vacancy centers
M. C. Cambria, A. Gardill, Y. Li +3
Understanding the limits to the spin-coherence of the nitrogen-vacancy (NV) center in diamond is vital to realizing the full potential of this quantum system. We show that relaxati…
From the open Heisenberg model to the Landau-Lifshitz equation
Ariel Norambuena, Andrés Franco, Raúl Coto
Magnetic systems can be described by the classical Landau-Lifshitz (LL) equation or the fully quantum open Heisenberg model. Using the Lindblad master equation and the mean-field a…
Effect of phonons on the electron spin resonance absorption spectrum
Ariel Norambuena, Alejandro Jimenez, Christoph Becher +1
The unavoidable presence of vibrations in solid-state devices can drastically modify the expected electron spin resonance (ESR) absorption spectrum in magnetically active systems.…
Probabilistic magnetometry with two-spin system in diamond
Raúl Coto, Hossein T. Dinani, Ariel Norambuena +2
Solid-state magnetometers like the Nitrogen-Vacancy center in diamond have been of paramount importance for the development of quantum sensing with nanoscale spatial resolution. Th…
Coding closed and open quantum systems in MATLAB: applications in quantum optics and condensed matter
Ariel Norambuena, Diego Tancara, Raúl Coto
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…
Coherence as a measure for non-Markovianity and its applications to color centers in diamond
Ariel Norambuena, Jerónimo R. Maze, Peter Rabl +1
The degree of non-Markovianity of a continuous bath can be quantified by means of the coherence. This simple measure is experimentally accessible through Ramsey spectroscopy, but i…
Spin-lattice relaxation of individual solid-state spins
A. Norambuena, E. Muñoz, H. T. Dinani +4
Understanding the effect of vibrations on the relaxation process of individual spins is crucial for implementing nano systems for quantum information and quantum metrology applicat…
Cooling phonons with phonons: acoustic reservoir-engineering with silicon-vacancy centers in diamond
K. V. Kepesidis, M. -A. Lemonde, A. Norambuena +2
We study a setup where a single negatively-charged silicon-vacancy center in diamond is magnetically coupled to a low-frequency mechanical bending mode and via strain to the high-f…