Search Results - "Perez, Dario G"
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Rydberg Excitons and Doubly Resonant Raman Scattering in Transition-Metal Dichalcogenides
Published in Journal of physical chemistry. C (11-01-2024)“…Monolayer transition-metal dichalcogenides (TMDs) are emergent semiconductor materials with a wide range of potential applications. Rydberg excitons are…”
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On a quasi-wavelet model of refractive index fluctuations due to atmospheric turbulence
Published in Optics express (14-12-2015)“…When studying light propagation through the atmosphere, it is usual to rely on widely used spectra such as the modified von Kármán or Andrews-Hill. These are…”
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Estimating the optimal sampling rate using wavelet transform: an application to optical turbulence
Published in Optics express (01-07-2013)“…Sampling rate and frequency content determination for optical quantities related to light propagation through turbulence are paramount experimental topics…”
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Behavior of the laser beam wandering variance with the turbulent path length
Published in Optics communications (15-04-2007)“…We experimentally study the variance of the transverse displacement, or wandering, of a laser beam after it has traveled through indoor artificially convective…”
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5
Performance of encryption schemes in chaotic optical communication: A multifractal approach
Published in Optics communications (01-12-2009)“…From the estimation of the Hurst exponent and the multifractality degree we discriminate the security levels of two typical encoding schemes usually applied in…”
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Angle-of-arrival variance’s dependence on the aperture size for indoor convective turbulence
Published in Optics communications (15-09-2007)“…We analyze the angle-of-arrival variance of an expanded and collimated laser beam once it has traveled through an indoor convective turbulence. A continuous…”
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Thin laser beam wandering and intensity fluctuations method for evapotranspiration measurement
Published in Optics and laser technology (01-06-2016)“…We compare in this study two simple optical setups to measure the atmospheric turbulence characterized by the refractive index structure parameter Cn2. The…”
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Revisiting the decay of missing ordinal patterns in long-term correlated time series
Published in Physica A (15-11-2019)“…We revisit the decay of missing ordinal patterns in long-term correlated time series. More precisely, a stretched exponential model is proposed to describe…”
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Turbulence-induced power drops as extreme events
Published in Optics and lasers in engineering (01-05-2019)“…•This work presents a characterization of random power drops in the irradiance fluctuation of a laser beam propagating through convective turbulence.•The power…”
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10
New magneto-polaron resonances in a monolayer of a transition metal dichalcogenide
Published in Scientific reports (06-01-2023)“…Transition metal dichalcogenide (TMD) semiconductors are two-dimensional materials with great potential for the future of nano-optics and nano-optoelectronics…”
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Complexity-entropy causality plane: A useful approach to quantify the stock market inefficiency
Published in Physica A (01-05-2010)“…The complexity-entropy causality plane has been recently introduced as a powerful tool for discriminating Gaussian from non-Gaussian process and different…”
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Commodity predictability analysis with a permutation information theory approach
Published in Physica A (01-03-2011)“…It is widely known that commodity markets are not totally efficient. Long-range dependence is present, and thus the celebrated Brownian motion of prices can be…”
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Beam wandering statistics of twin thin laser beam propagation under generalized atmospheric conditions
Published in Optics express (03-12-2012)“…Under the Geometrics Optics approximation is possible to estimate the covariance between the displacements of two thin beams after they have propagated through…”
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Multifractal characteristics of optical turbulence measured through a single beam holographic process
Published in Optics express (11-08-2014)“…We have previously shown that azopolymer thin films exposed to coherent light that has travelled through a turbulent medium produces a surface relief grating…”
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Polar optical phonons in core–shell semiconductor nanowires
Published in Physica. E, Low-dimensional systems & nanostructures (01-02-2014)“…We obtain the long-wavelength polar optical vibrational modes of semiconductor core–shell nanowires by means of a phenomenological continuum model. A basis for…”
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Forbidden patterns, permutation entropy and stock market inefficiency
Published in Physica A (15-07-2009)“…In this paper we introduce two new quantifiers for the stock market inefficiency: the number of forbidden patterns and the normalized permutation entropy. They…”
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Vibrational properties of cubic group-III nitrides: Force constants study
Published in Physica. B, Condensed matter (01-12-2010)“…We study the lattice dynamics of the zinc-blende (ZB) allotropic form of bulk group-III nitrides using an approach based on the linear chain model. Supported…”
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Multifractal structure in Latin-American market indices
Published in Chaos, solitons and fractals (15-09-2009)“…We study the multifractal nature of daily price and volatility returns of Latin-American stock markets employing the multifractal detrended fluctuation…”
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Electron-phonon deformation potential interaction in core-shell Ge-Si and Si-Ge nanowires
Published in Physical review. B, Condensed matter and materials physics (24-02-2015)“…We settle a general expression for the Hamiltonian of the electron-zone-center optical phonon deformation potential (DP) interaction in the case of nonpolar…”
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