Plasmonic Chromatic Electrode with Low Resistivity

Moon, Young Gyu; Do, Yun Seon; Lee, Min Ho; Hwang, Bo Yeon; Jeong, Dong Jun; Ju, Byeong Kwon; Choi, Kyung Cheol

doi:10.1038/s41598-017-15465-8

Cited by 14 publications

(12 citation statements)

References 30 publications

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“…The approach provides analytical expressions for a(t), N (t) and d(τ ), and reproduces the observed monthly statistics ( Fig. 1 of [24].) Second, we employ MF-TW-DFA to analyze the annual time-series for each latitude-longitude pair from the GISS dataset.…”

mentioning

confidence: 84%

“…Here we use monthly averaged anomalous surface air temperature x k i , where k and i are the indices for month and year, respectively. The detailed theoretical background and implementation of the time-series method for seasonal variability are described in reference [24].…”

Section: Stochastic Time-series Analysis Methodsmentioning

confidence: 99%

“…First, we analyze the GISS dataset by employing a new stochastic dynamical method of time-series analysis that was shown to capture the seasonal variability in monthlyaveraged temperature data from decadal to 133 years [24]. This method centers on a periodic non-autonomous stochastic model for the observed deviation in the surface heat flux, x(t), given byẋ = a(t)x+N (t)ξ(t)+d(τ ), where a(t) and N (t) are periodic functions with annual periodicity, ξ(t) is stochastic noise, and d(τ ) represents decadal forcing.…”

mentioning

confidence: 99%

“…Finally, non-autonomous stochastic differential equations constitute a key organizing center of our approach [24], and they are also central to the so-called supersymmetric theory of stochastics [e.g., 44,45]. That approach argues that pink noise is a manifestation of the spontaneous breakdown of topological supersymmetry.…”

mentioning

confidence: 99%

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Intrinsic Pink-Noise Multidecadal Global Climate Dynamics Mode

2018

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Understanding multidecadal variability is an essential goal of climate dynamics. For example, the recent phenomenon referred to as the "global warming hiatus" may reflect a coupling to an intrinsic, preindustrial, multidecadal variability process. Here, using a multifractal time-series method, we demonstrate that 42 data sets of 79 proxies with global coverage exhibit pink-noise characteristics on multidecadal timescales. To quantify the persistence of this behavior, we examine high-resolution ice core and speleothem data to find pink noise in both pre- and postindustrial periods. We examine the spatial structure with an empirical orthogonal function analysis of the monthly averaged surface temperature from 1901 to 2012. The first mode clearly shows the distribution of ocean heat flux sinks located in the eastern Pacific and the Southern Ocean and has pink-noise characteristics on a multidecadal timescale. We hypothesize that this pink-noise multidecadal spatial mode may resonate with externally driven greenhouse gas forcing, driving large-scale climate processes.

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mentioning

confidence: 84%

Section: Stochastic Time-series Analysis Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Intrinsic Pink-Noise Multidecadal Global Climate Dynamics Mode

2018

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“…The constant noise intensity is σ > 0, and we assume that σ A and σ 1. Settings of relevance include the human cardiovascular system [17] and the seasonal variability of the Earth's climate [18].…”

Section: Outline Of the Mathematical Formulationmentioning

confidence: 99%

Precursors to rare events in stochastic resonance

Giorgini¹,

Lim²,

Moon³

et al. 2020

EPL

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In stochastic resonance, a periodically forced Brownian particle in a double-well potential jumps between minima at rare increments, the prediction of which pose a major theoretical challenge. Here, we use a path-integral method to predict these transitions by determining the most probable (or "optimal") space-time path of a particle. We characterize the optimal path using a direct comparison principle between the Langevin and Hamiltonian dynamical descriptions, allowing us to express the jump condition in terms of the accumulation of noise around the stable periodic path. In consequence, as a system approaches a rare event these fluctuations approach one of the deterministic minimizers, thereby providing a precursor for predicting the stochastic transition. We demonstrate the method numerically, which allows us to determine whether a state is following a stable periodic path or will experience an incipient jump. The vast range of systems that exhibit stochastic resonance behavior insures broad relevance of our framework, which allows one to extract precursor fluctuations from data.

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Multifunctional Dielectric Metasurfaces Consisting of Color Holograms Encoded into Color Printed Images

Wen

Cadusch

Meng

et al. 2019

Adv Funct Materials

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A hologram records the wavefront of light from an object, but it is usually not an image itself, and looks unintelligible under diffuse ambient light. Here a new paradigm to encode a color hologram onto a color printed image is experimentally demonstrated. The printed image can be directly viewed under the white light illumination, while a low-crosstalk color holographic image can be seen when the device is illuminated with red (R), green (G), and blue (B) laser beams. The device is a dielectric metasurface that consists of titanium dioxide (TiO 2) cones on a glass substrate. The dimensions of the TiO 2 cones are chosen to allow them to support visible-wavelength resonances, thereby producing the desired reflection spectra and thus the color printed image. The detour phase method is furthermore used to encode the hologram into the metasurface. The approach is conceptually different from previously demonstrated color printed images or holograms and presents opportunities for optical document security and data storage applications.

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Plasmonic Chromatic Electrode with Low Resistivity

Cited by 14 publications

References 30 publications

Intrinsic Pink-Noise Multidecadal Global Climate Dynamics Mode

Intrinsic Pink-Noise Multidecadal Global Climate Dynamics Mode

Precursors to rare events in stochastic resonance

Multifunctional Dielectric Metasurfaces Consisting of Color Holograms Encoded into Color Printed Images

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