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Abstracts ved Netværk for Kvinder i Fysiks årsmøde 2001

Controlling and transforming light with metamaterials

Alexandra Boltasseva

DTU Fotonik


Materials with optical properties that cannot be achieved with naturally occurring materials can now be designed. Such metamaterials offer unprecedent control over light and dramatically enhance device performance. The definition of the metamaterial implies that the system is patterned on a subwavelength scale, and such nanostructures represent an exciting arena for novel photonic technologies, for new physics, and for the practical applications of photonic metamaterials. Different examples of metamaterials and their applications as well as fabrication technologies for making such structures will be covered in the presentation.



Multispecies Single Molecule Imaging With Quantum Dots

Eva Arnspang Christensen

Memphys, University of Southern Denmark


Quantum dots (Qdots) are fluorescent nanoparticles that have far superior signal intensity and signal stability compared to more conventional fluorescent molecules. We find that imaging with Qdots can easily be extended to the simultaneous visualization of up to four different molecular species at single molecule sensitivity and millisecond time integration. We find that this technique can easily be adapted towards studying the spatial and temporal nano-organization of various combinations of lipids and proteins in the cellular plasma membrane.



Road map to polarized antiproton experiments with PAX
- Using spin as a tool to investigate hadronic interaction and structure

Pia Thörngren Engblom

Stockholm University


The PAX collaboration has proposed an asymmetric antiproton-proton collider to be constructed at the planned High Energy Storage Ring (HESR) of the facility for Antiproton and Ion Research (FAIR) at Darmstadt (Germany). The goal is to use double polarized beams in order to get access to the spin observables that would uniquely answer some of the important open questions in hadron physics. Hadron physics aims to fundamentally understand the nature of strongly interacting particles (hadrons), their interactions and their structure. One unresolved issue is for example a particular spin distribution of the valence quarks inside the proton, called transversity. On the road to achieve our goal of producing a polarized antiproton beam lie major technical challenges. I will tell you what the immediate and long term milestones of our project are, and about the recent progress that has been made.



Glass Physics and Glass Ceilings

Christiane Alba-Simionesco

Laboratoire Léon Brillouin


I propose some digressions around recent progresses in Glass Physics and the presence of a Glass Ceiling for women in science. The former refers to the oldest materials made by humans, while its description in physics started only one century ago being periodically reviewed during that time. The latter is more metaphorical symbolizing a transparent limit (as a glass, i.e., not straightforwardly seen), that follows a similar historical progression. In both cases, there are barriers not easily overcome, leading always to a metastable state and requiring some cooperative and collective actions. I was always prepared to work by education, but really to be a scientist; it is a succession of circumstances and opportunities, meeting of people, that bring me into my present position.