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Theory of collective firing induced by noise or diversity in excitable media


Colet P, Scire A, Tessone CJ, Toral R.
CJ Tessone, A Scire, R Toral, P Colet - Physical Review E, 2007 - APS

Large variety of physical, chemical, and biological systems show excitable behavior, characterized by a nonlinear response under external perturbations: only perturbations …

Rapid fabrication of self-ordered porous alumina with 10-/sub-10-nm-scale nanostructures by selenic acid anodizing.

Scientific reports

Nishinaga O, Kikuchi T, Natsui S, Suzuki RO.
PMID: 24067318
Sci Rep. 2013 Sep 25;3:2748. doi: 10.1038/srep02748.

Anodic porous alumina has been widely investigated and used as a nanostructure template in various nanoapplications. The porous structure consists of numerous hexagonal cells perpendicular to the aluminum substrate and each cell has several tens or hundreds of nanoscale...

Rapid differentiation in a sill-like magma reservoir: a case study from the campi flegrei caldera.

Scientific reports

Pappalardo L, Mastrolorenzo G.
PMID: 23050096
Sci Rep. 2012;2:712. doi: 10.1038/srep00712. Epub 2012 Oct 05.

In recent decades, geophysical investigations have detected wide magma reservoirs beneath quiescent calderas. However, the discovery of partially melted horizons inside the crust is not sufficient to put constraints on capability of reservoirs to supply cataclysmic eruptions, which strictly...

Test of mutually unbiased bases for six-dimensional photonic quantum systems.

Scientific reports

D'Ambrosio V, Cardano F, Karimi E, Nagali E, Santamato E, Marrucci L, Sciarrino F.
PMID: 24067548
Sci Rep. 2013 Sep 25;3:2726. doi: 10.1038/srep02726.

In quantum information, complementarity of quantum mechanical observables plays a key role. The eigenstates of two complementary observables form a pair of mutually unbiased bases (MUBs). More generally, a set of MUBs consists of bases that are all pairwise...

Origin of easy magnetization switching in magnetic tunnel junctions with voltage-controlled interfacial anisotropy.

Scientific reports

Pertsev NA.
PMID: 24067783
Sci Rep. 2013 Sep 25;3:2757. doi: 10.1038/srep02757.

Spin-polarized currents represent an efficient tool for manipulating ferromagnetic nanostructures but the critical current density necessary for the magnetization switching is usually too high for applications. Here we show theoretically that, in magnetic tunnel junctions having electric-field-dependent interfacial anisotropy,...

A facile route for 3D aerogels from nanostructured 1D and 2D materials.

Scientific reports

Jung SM, Jung HY, Dresselhaus MS, Jung YJ, Kong J.
PMID: 23152940
Sci Rep. 2012;2:849. doi: 10.1038/srep00849. Epub 2012 Nov 14.

Aerogels have numerous applications due to their high surface area and low densities. However, creating aerogels from a large variety of materials has remained an outstanding challenge. Here, we report a new methodology to enable aerogel production with a...

Active dielectric antenna on chip for spatial light modulation.

Scientific reports

Qiu C, Chen J, Xia Y, Xu Q.
PMID: 23152946
Sci Rep. 2012;2:855. doi: 10.1038/srep00855. Epub 2012 Nov 14.

Integrated photonic resonators are widely used to manipulate light propagation in an evanescently-coupled waveguide. While the evanescent coupling scheme works well for planar optical systems that are naturally waveguide based, many optical applications are free-space based, such as imaging,...

Tunable acoustic double negativity metamaterial.

Scientific reports

Liang Z, Willatzen M, Li J, Christensen J.
PMID: 23152948
Sci Rep. 2012;2:859. doi: 10.1038/srep00859. Epub 2012 Nov 14.

Man-made composite materials called "metamaterials" allow for the creation of unusual wave propagation behavior. Acoustic and elastic metamaterials in particular, can pave the way for the full control of sound in realizing cloaks of invisibility, perfect lenses and much...

Ultrafast optical control using the Kerr nonlinearity in hydrogenated amorphous silicon microcylindrical resonators.

Scientific reports

Vukovic N, Healy N, Suhailin FH, Mehta P, Day TD, Badding JV, Peacock AC.
PMID: 24097126
Sci Rep. 2013 Oct 07;3:2885. doi: 10.1038/srep02885.

Microresonators are ideal systems for probing nonlinear phenomena at low thresholds due to their small mode volumes and high quality (Q) factors. As such, they have found use both for fundamental studies of light-matter interactions as well as for...

Contrasting biogeochemical characteristics of the Oubangui River and tributaries (Congo River basin).

Scientific reports

Bouillon S, Yambélé A, Gillikin DP, Teodoru C, Darchambeau F, Lambert T, Borges AV.
PMID: 24954525
Sci Rep. 2014 Jun 23;4:5402. doi: 10.1038/srep05402.

The Oubangui is a major tributary of the Congo River. We describe the biogeochemistry of contrasting tributaries within its central catchment, with watershed vegetation ranging from wooded savannahs to humid rainforest. Compared to a 2-year monitoring record on the...

Self-aligned, full solution process polymer field-effect transistor on flexible substrates.

Scientific reports

Yan Y, Huang LB, Zhou Y, Han ST, Zhou L, Zhuang J, Xu ZX, Roy VA.
PMID: 26497412
Sci Rep. 2015 Oct 26;5:15770. doi: 10.1038/srep15770.

Conventional techniques to form selective surface energy regions on rigid inorganic substrates are not suitable for polymer interfaces due to sensitive and soft limitation of intrinsic polymer properties. Therefore, there is a strong demand for finding a novel and...

Importance of Oceanian small mountainous rivers (SMRs) in global land-to-ocean output of lignin and modern biospheric carbon.

Scientific reports

Bao H, Lee TY, Huang JC, Feng X, Dai M, Kao SJ.
PMID: 26584586
Sci Rep. 2015 Nov 20;5:16217. doi: 10.1038/srep16217.

The land-to-ocean export of particulate organic carbon (POC) connects carbon flow from the atmosphere through land to the ocean, of which the contemporary fraction that reaches the deep sea for burial may effectively affect atmospheric CO2. In this regard,...

Showing 1 to 12 of 56022 entries