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Explore the fundamentals of non-relativistic effective field theories in this comprehensive 58-minute lecture delivered by Abhishek Mohapatra at the International Centre for Theoretical Sciences. Delve into the systematic framework for describing physics at specific scales using only relevant degrees of freedom, focusing on non-relativistic systems where particle velocities are much smaller than the speed of light. Learn how these theoretical tools provide essential methods for understanding low-energy phenomena in quantum field theory, from atomic and nuclear physics to condensed matter systems. Discover the mathematical foundations and practical applications of non-relativistic EFTs, including their role in simplifying complex many-body problems and their connection to experimental observables. This lecture forms part of the School for Advanced Topics in Particle Physics (SATPP) program, specifically designed for postdoctoral fellows and advanced PhD students with solid backgrounds in quantum field theory, offering both theoretical insights and technical tools necessary for critical analysis of effective field theory approaches in modern physics research.
