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Strongly Interacting Ultracold Fermi Gasesl

Dr Brendan Mulkerin

Centre for Quantum and Optical Science, Swinburne University of Technology

3:30 pm Friday, 31 Octoberl 2014, EN102 Lecture Theatre (EN Building), Hawthorn.

Understanding fermionic superfluidity, its thermodynamic properties and the formation of fermion pairs is an important area of current research, elucidating our understanding of strongly interacting systems such as high temperature superconductors. In this talk I will explore two systems of strongly interacting fermions, firstly a gas of fermionic atoms confined to two dimensions. In lower dimensions quantum fluctuations are expected to play a more important role; it is important to develop and compare models for solving these systems. I determine the spectral function and thermodynamic properties through a self-consistent T-matrix calculation over the crossover regime for several different choices of the self-consistent theory. Secondly, I will look at current numerical techniques in exactly solving strongly interacting few-body systems and develop a technique based on the choice of Jacobi coordinates.



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