Publication

An alternative interpretation of the spectroscopy and internal dynamics of excited Cl2 molecules trapped in an argon matrix

Publications associées (41)

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0D microcavity polaritons

Ounsi El Daïf

Polaritons are half-matter half-light quasiparticles, arising, in a two-dimensional semiconductor microcavity, from the strong-coupling between an exciton (an elementary electronic excitation of a crystal) and a photon. This thesis presents the fabrication ...

EPFL2007

Nonorthogonal theory of polarons and application to pyramidal quantum dots

Elyahou Kapon, Marc-André Dupertuis, Danail Obreschkow, Sascha Dalessi

We present a general theory for semiconductor polarons in the framework of the Frohlich interaction between electrons and phonons. The latter is investigated using noncommuting phonon creation/annihilation operators associated with a natural set of nonorth ...

2007

Cavitation Bubble Dynamics inside Liquid Drops in Microgravity

Mohamed Farhat, Nicolas Dorsaz, Claude Nicollier, Danail Obreschkow, Philipp Kobel, Aurèle De Bosset

We report a fundamental study of single cavitation bubbles inside quasi-spherical water drops produced in microgravity (42nd ESA parabolic flight campaign, 8th ESA student parabolic flight campaign). High-speed imaging revealed implications of isolated, fi ...

2006

A physical interpretation of the equal area rule

Marcos Rubinstein, Abraham Rubinstein

This paper presents a derivation and a physical interpretation of the equal area rule (EAR) for wire-grid simulation of surfaces. We propose a new procedure that leads to a formulation for obtaining the radii for an arbitrarily meshed surface. A simple com ...

2006

The Concepts of IEC 61346 Applied to a Software Architecture for Automation

Esther Gelle

The IEC 61346 standard establishes general principles for structuring the information of technical systems. The present document discusses the ideas shown in the standard, emphasizing the fact that some parts of it are ambiguous and can lead to different i ...

2004

Nonlocal plasticity models for localized failure

Simon Rolshoven

In quasi-brittle materials such as concrete, failure is preceded by highly localized deformation patterns. Localized failure is caused by strain softening, which cannot be described by classical local models, because they lack a length scale. Mathematicall ...

EPFL2003

Spatio-Temporal Shadow Segmentation and Tracking

Touradj Ebrahimi, Elena Salvador

Shadow segmentation is a critical issue for systems aiming at extracting, tracking or recognizing objects in a given scene. Shadows can in fact modify the shape and colour of objects and therefore affect scene analysis and interpretation systems in many ap ...

SPIE2003

Aspects of D-brane dynamics on orbifolds

Claudio Scrucca

We discuss D-brane dynamics in orbifold compactifications of type II superstring theory. We compute the interaction potential between two D-branes moving with constant velocities and give a field theory interpretation of it in the large distance limit. ...

1999

Steady-State Solidification Of Reinforced Binary-Alloys

Andreas Mortensen

This paper provides a review of theoretical and experimental research to date on the constrained steady state solidification of dilute binary alloy matrix composites. Steady state solidification can be experimentally observed in composites which contain a ...

1993

High density excitation of rare gas crystals for stimulated emission

Majed Chergui

Excimer densities of 5 * 1018 cm-3 and a light output of 107 W at 172, 145, and 128 nm were obtained from electron beam excited rare gas crystals. [on SciFinder (R)] ...

1988