Category Archives: Journal Club

Is the Cosmological Coincidence a Problem? – Seminar by Navin Sivanandam

Posted on April 4, 2012 by

Last week, we enjoyed a seminar by Dr. Navin Sivanandam, a postdoc at AIMS, about his latest paper. Navin’s surprising answer to the above question is no, the cosmological coincidence is not something we should concern ourselves with. He uses … Continue reading →

Posted in General, Group Meetings, Journal Club, Seminars | Leave a comment

Detection of Galaxy Cluster Motions with the Kinematic Sunyaev-Zel’dovich Effect – Kavilan Moodley

Posted on March 23, 2012 by

Our bonanza week of talks was finished up of Friday afternoon with Kavilan Moodley giving us a brief overview of the recent measurement of the kinematic Sunyaev-Zel’dovch effect using a combination of ACT and BOSS data, described in 1203.4219. Kavilan … Continue reading →

Posted in General, Group Meetings, Journal Club | Leave a comment

Casting Light on Antimatter: Fundamental Physics with Bottled Antihydrogen Atoms with Project ALPHA at CERN – Makoto Fujiwara

Posted on March 23, 2012 by

Our second talk this week was from Makoto Fujiwara, who was visiting from TRIUMF in Canada. Prof. Fujiwara talked to us about the work he and his collaborators have been doing to create and trap atoms of anti-hydrogen at CERN. … Continue reading →

Posted in General, Journal Club, Seminars | Leave a comment

Another propagation of ‘light’ in the heart

Posted on March 20, 2012 by

A few weeks ago (back on February 27th) the cosmology group seminar took an unusual turn from outer to Inner Space. Sehun Chun, who’s a researcher at AIMS, gave us a fascinating talk on his work on electrical propagation in … Continue reading →

Posted in General, Journal Club, Seminars | Leave a comment

Testing the equivalence principle with fundamental constants – seminar by Jean-Phillipe Uzan

Posted on April 4, 2011 by

This March seminar was about the strange concept of “varying constants” or more specifically, how these constants can help us test the equivalence principle. Jean-Phillipe started by explaining what a fundamental constant is and how, in order to allow them … Continue reading →

Posted in General, Journal Club, Seminars | Leave a comment

Exact non-linear homogeneities in ΛCDM cosmology – seminar by Niko Meures

Posted on March 11, 2011 by

Last Monday, at another of our popular seminars, Niko Meures (ICG, Portsmouth) gave us an intriguing talk on the topic of non-linear inhomogeneities in LCDM cosmology. His work involves looking at exact solutions to the Einstein Field Equations which allow … Continue reading →

Posted in General, Group Meetings, Journal Club, Seminars | Leave a comment

The Problem of Averaging in Cosmology – seminar by Tim Clifton

Posted on February 24, 2011 by

This week our speaker, Tim Clifton of CERN and Oxford, took us through the difficult problem of averaging in cosmology. Tim presented the various current methods of averaging, pointing out some problems with them such as the dependence of averaged … Continue reading →

Posted in General, Group Meetings, Journal Club, Seminars | Leave a comment

Monday group hack

Posted on November 1, 2010 by

Today we had Gopolang Mohlabeng (NASSP) give a talk on his research project under Marco Regis entitled “Dark Matter Detection using the MeerKAT Telescope”. In the journal club we discussed a variety of recent cosmological papers including arxiv:1010.6068, arxiv:1010.6128, arxiv:1010.4915, … Continue reading →

Posted in Events, General, Group Meetings, Journal Club | Leave a comment

Papers mentioned this week

Posted on August 4, 2010 by

This is a list of the papers discussed this week. Feel free to add them to your Mendeley library, or you can subscribe directly to the public Journal Club collection in Mendeley. Horava-Lifshitz Cosmology: A Review, Shinji Mukohyama. If space … Continue reading →

Posted in Journal Club | Leave a comment