Effective field theory and ultracold atoms
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The development of the technology for trapping atoms in the vacuum and cooling them to ultralow temperatures has opened up the exciting new field of cold atom physics. This field provides a new domain of applications for local quantum field theory, an approach whose previous applications have been primarily in high energy particle physics and have involved energy scales that are more than 20 orders of magnitude higher. I will describe a systematic approximation method for quantum field theory called Effective Field Theory that has proved to be a powerful framework for addressing many important problems in ultracold atoms.