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February 2016

February 26th Physics Colloquium

February 26, 2016 @ 3:00 pm - 4:00 pm
Bennett Hall Rm. 140 ME United States

Colloquium Department of Physics & Astronomy, University of Maine, Orono Robert Meulenberg Associate Professor of Physics Department of Physics and Astronomy/Laboratory for Surface Science and Technology University of Maine   will speak on “Unusual Magnetic and Optical Properties of Nanostructures”     Abstract: The study of colloidal semiconductor quantum dots (QDs) has been an active field of research for over 20 years. In this time, much effort has been devoted towards understanding the optical properties as a function of nanocrystal…

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April 2016

Christopher Miller Colloquium

April 15, 2016 @ 3:00 pm - 4:00 pm

"Escaping From Galaxy Clusters" Abstract:As the largest bound objects in the Universe, galaxy clusters provide us an opportunity to observe galaxies escaping their gravitational potential wells at tremendous speeds. In simulated Universes, we know that bound gravitational tracers (like dark matter particles) fill their radius/velocity phase-spaces with a trumpet-like design. Caustic edges in these phase-space define the escape speeds of the particles and thus the gravitational potential profile of clusters. I will discuss the theoretical underpinnings of how we map…

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