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Imaging bond order near non-magnetic impurities in square lattice antiferromagnets
Ribhu K. Kaul, Roger G. Melko, Max A. Metlitski +1
We study the textures of generalized "charge densities" (scalar objects invariant under time reversal), in the vicinity of non-magnetic impurities in square-lattice quantum anti-fe…
Edge and impurity response in two-dimensional quantum antiferromagnets
Max A. Metlitski, Subir Sachdev
Motivated by recent Monte-Carlo simulations of Hoglund and Sandvik (arXiv:0808.0408), we study edge response in square lattice quantum antiferromagnets. We use the O(3) non-linear…
Renormalization group theory of nematic ordering in d-wave superconductors
Yejin Huh, Subir Sachdev
We examine the quantum theory of the spontaneous breaking of lattice rotation symmetry in d-wave superconductors on the square lattice. This is described by a field theory of an Is…
Destruction of Neel order in the cuprates by electron-doping
Ribhu K. Kaul, Max A. Metlitski, Subir Sachdev +1
Motivated by the evidence in PCCO and NCCO of a magnetic quantum critical point at which Neel order is destroyed, we study the evolution with doping of the T=0 quantum phases of th…
Radio frequency spectroscopy of a strongly imbalanced Feshbach-resonant Fermi gas
Martin Veillette, Eun Gook Moon, Austen Lamacraft +3
A sufficiently large species imbalance (polarization) in a two-component Feshbach resonant Fermi gas is known to drive the system into its normal state. We show that the resulting…
Nodal quasiparticles and the onset of spin density wave order in the cuprates
Andrea Pelissetto, Subir Sachdev, Ettore Vicari
We present a theory for the onset of spin density wave order in the superconducting ground state of the cuprates. We compute the scaling dimensions of allowed perturbations of a `r…