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hep-th2021
An Effective Field Theory of Magneto-Elasticity
Shashin Pavaskar, Riccardo Penco, Ira Z. Rothstein
We utilize the coset construction to derive the effective field theory of magnon-phonon interactions in (anti)-ferromagnetic and ferrimagnetic insulating materials. The action is u…
cond-mat.quant-gas2021★ 6 cited
First Principles Prediction of the Landau Parameter for Fermi Liquids near the Unitarity Limit
Shashin Pavaskar, Ira Z. Rothstein
This paper explores the behavior of systems of cold fermions as they approach unitarity above the critical temperature. As we move away from unitarity, by decreasing the scattering…