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Quantum phase transitions out of the heavy Fermi liquid
T. Senthil, Subir Sachdev, Matthias Vojta
We review recent work on the instability of the heavy Fermi liquid state (FL) of the Kondo lattice towards a magnetic metal in which the local moments are not part of the Fermi sea…
Competing orders II: the doped quantum dimer model
Leon Balents, Lorenz Bartosch, Anton Burkov +2
We study the phases of doped spin S=1/2 quantum antiferromagnets on the square lattice, as they evolve from paramagnetic Mott insulators with valence bond solid (VBS) order at zero…
Putting competing orders in their place near the Mott transition
Leon Balents, Lorenz Bartosch, Anton Burkov +2
We describe the localization transition of superfluids on two-dimensional lattices into commensurate Mott insulators with average particle density p/q (p, q relatively prime intege…
Green's function for magnetically incoherent interacting electrons in one dimension
Gregory A. Fiete, Leon Balents
Using a path integral approach and bosonization, we calculate the low energy asymptotics of the one particle Green's function for a ``magnetically incoherent'' one dimensional stro…