Concept

Media studies

Related publications (33)

Effect of the thin-film limit on the measurable optical properties of graphene

Christophe Ballif, Stefaan De Wolf, Sylvain Nicolay, Jakub Holovsky

The fundamental sheet conductance of graphene can be directly related to the product of its absorption coefficient, thickness and refractive index. The same can be done for graphene's fundamental opacity if the so-called thin-film limit is considered. Here ...

Nature Publishing Group2015

Pricing and hedging of inflation-indexed bonds in an affine framework

Damir Filipovic

This study deals with the pricing and hedging of inflation-indexed bonds. Under foreign exchange analogy we model the nominal short rate, real short rate and logarithm of the price index with an afflne Gaussian process. Using the underlying affine property ...

Elsevier2014

On the Influence of Spatial Dispersion on the Performance of Graphene-Based Plasmonic Devices

Juan Sebastian Gomez Diaz

We investigate the effect of spatial dispersion phenomenon on the performance of graphene-based plasmonic devices at terahertz (THz). For this purpose, two different components, namely a phase shifter and a low-pass filter, are taken from the literature, i ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Bloch surface waves, a 2D platform for planar optical integration

Hans Peter Herzig, Elsie Barakat, Libo Yu, Richa Dubey

A novel platform suitable for fundamental investigations of light propagation through micro-and nanostructures will be discussed. This platform is based on a dielectric multilayer that sustains Bloch surface waves (BSWs). BSWs are electromagnetic surface w ...

Ieee2014

The Phosphate Specific Transport (Pst) System in Fast- and Slow-Growing Mycobacteria

Cyntia De Piano

Although mycobacteria are known to accumulate polyphosphate (PolyP), a linear polymer of orthophosphate, when subjected to stresses, the exact roles of this molecule are not yet clearly understood. We found that deletion of the pstA gene encoding for a tra ...

EPFL2013

Surface Plasmons on Graphene Sheets: Effect of Spatial Dispersion and Magnetostatic Bias

Juan Ramon Mosig, Julien Perruisseau-Carrier

We study the characteristics of surface plasmons propagating along graphene sheets, focusing on the effect of spatial dispersion and applied magnetostatic bias, and taking into account the influence of the surrounding media, applied electrostatic biasing f ...

Ieee2013

Network Coding

Mahdi Jafari Siavoshani

The demand for higher throughput and better efficiency are two important challenges for future communication networks. During the past decades, a lot of research studies have been devoted to investigating and proposing near optimal and efficient schemes an ...

EPFL2012

Initiatives in crystallographic education

Gervais Chapuis

The rapid development of the Internet has created new opportunities for teaching in general and it is our aim to show how the current evolution can best be exploited for crystallography education in particular. Currently, we can find a very large selection ...

2011

Driving an electric vehicle. A sociological analysis on pioneer users

Christophe Jemelin, Nicolas Louvet

In most of the western countries, car is the prevalent means of transport for local mobility. At the same time, sensitivity to environmental issues is increasing, correlated to the consciousness that carbon dioxide emissions have to be reduced. In regard t ...

2011

Mapping biological ideas: Concept maps as knowledge integration tools for evolution education

Beat Adrian Schwendimann

Many students leave school with a fragmented understanding of biology that does not allow them to connect their ideas to their everyday lives (Wandersee, 1989; Mintzes, Wandersee, & Novak, 1998; Mintzes, Wandersee, & Novak, 2000a). Understanding evolution ...

University of California, Berkeley2011

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