Results 81 to 90 of about 179,201 (284)

Mean Field Theory of Sandpile Avalanches: from the Intermittent to the Continuous Flow Regime

, 1993
We model the dynamics of avalanches in granular assemblies in partly filled rotating cylinders using a mean-field approach. We show that, upon varying the cylinder angular velocity $\omega$, the system undergoes a hysteresis cycle between an intermittent
D.M. Hanes, Franco Nori, G. Baxter, G.A. Held, H. Caram, H.J. Jensen, H.J. Jensen, H.M. Jaeger, H.M. Jaeger, H.M. Jaeger, J. Rajchenbach, J.T. Jenkins, M. Bretz, O. Pla, Oscar Pla, P. Bak, P. Evesque, P.A. Thompson, R.A. Bagnold, R.A. Bagnold, R.A. Bagnold, R.L. Brown, S.B. Savage, S.B. Savage, V. Benza, V. G. Benza   +25 more
core   +1 more source

Surface Plasmon Enhanced Photoluminescence of Carbon Dots Formed In Situ on Silver Gratings

Advanced Science, EarlyView.
Carbon emitters formed in situ on a silver grating via plasmonic catalysis yield enhanced spontaneous emission by preferential radiative decay into surface plasmons. Enhancement manifests as emission exhibiting characteristics of coherence (polarization, directionality), and accelerated lifetimes of ∼30 ps, yielding Purcell factors of ∼70.
Maryam Sadat Amiri Naeini, Jaspreet Walia, Luis Angel Mayoral‐Astorga, Hyung Woo Choi, Arnaud Weck, Pierre Berini   +5 more
wiley   +1 more source

Causal Inference in Observational Studies: Assessing the Impact of Lifestyle Factors on Diabetes Risk

JOIV: International Journal on Informatics Visualization
The global prevalence of type 2 diabetes has escalated in recent decades, prompting an urgent need for effective prevention strategies. Physical activity has emerged as a significant modifiable risk factor for mitigating diabetes risk, yet the precise ...
Deden Witarsyah, Hadi Almohab, Haneen A A Abushammala   +2 more
doaj   +1 more source

The experiences of dealing with consequences of an avalanche – surviving soldiers’ perspectives

International Journal of Qualitative Studies on Health & Well-Being, 2019
Purpose: The aim of the study was to explore and describe experiences of daily life after having experienced an avalanche three decades ago. Method: This paper presents a qualitative study of 12 male survivors of an avalanche during their military ...
Lars-Petter Bakker, Siren Eriksen, Jon Gerhard Reichelt, Ellen Karine Grov   +3 more
doaj   +1 more source

In‐Sensor Computing by Soft Threshold Logic Gates Under Different Humidity Conditions

Advanced Electronic Materials, EarlyView.
Soft nanocomposite materials, based on gold cluster‐assembled thin films implanted in polydimethylsiloxane substrate, can perform reliable processing in ambient environmental conditions. Humidity influences the resistive switching and computational capabilities of the nanocomposites, that can be used as multifunctional material combining sensing ...
Giacomo Nadalini, Paolo Milani, Francesca Borghi   +2 more
wiley   +1 more source

Breaking the Buildup-time Limit of sensitivity in Avalanche Photodiodes by Dynamic Biasing [PDF]

, 2015
Avalanche photodiodes (APDs) are the preferred photodetectors for direct-detection, high data-rate long-haul optical telecommunications. APDs can detect low-level optical signals due to their internal amplification of the photon-generated electrical ...
Campbell, Joe C., Efroymson, Robert, El-Howayek, George, Hayat, Majeed M., Zarkesh-Ha, Payman   +4 more
core   +1 more source

Evolution of locally excited avalanches in semiconductors

, 2010
We show that semiconductor avalanche photodiodes can exhibit diminutive amplification noise during the early evolution of avalanches. The noise is so low that the number of locally excited charges that seed each avalanche can be resolved.
,, Dynes, JF, Sharpe, AW, Shields, AJ, Yuan, ZL   +4 more
core   +1 more source

Evolution of Physical Intelligence Across Scales

Advanced Intelligent Discovery, EarlyView.
By following the evolution of physical intelligence across scales, this article shows how intelligence arises from materials, structures, physical interactions, and collectives. It establishes physical intelligence as the evolutionary foundation upon which embodied intelligence is built.
Ke Liu, Tianyun Huang, Aming Li, Pengyu Lv, Tingting Qin, Wenhui Chen, Hui Wei, Huiling Duan   +7 more
wiley   +1 more source

Time distribution and loss of scaling in granular flow

, 1999
Two cellular automata models with directed mass flow and internal time scales are studied by numerical simulations. Relaxation rules are a combination of probabilistic critical height (probability of toppling $p$) and deterministic critical slope ...
Tadic, Bosiljka
core   +1 more source

Material‐Based Intelligence: Autonomous Adaptation and Embodied Computation in Physical Substrates

Advanced Intelligent Systems, EarlyView.
This perspective formulates a unifying framework for Material‐Based Intelligence (MBI), defining the physical requirements for materials to achieve embodied action, active memory and embodied information processing through intrinsic nonequilibrium dynamics. The design of intelligent materials often draws parallels with the complex adaptive behaviors of
Vladimir A. Baulin, Rudolf M. Füchslin, Achille Giacometti, Helmut Hauser, Marco Werner   +4 more
wiley   +1 more source