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cond-mat.str-el1999
Quantum impurity dynamics in two-dimensional antiferromagnets and superconductors
Matthias Vojta, Chiranjeeb Buragohain, Subir Sachdev
We present the universal theory of arbitrary, localized impurities in a confining paramagnetic state of two-dimensional antiferromagnets with global SU(2) spin symmetry. The energy…
cond-mat.str-el1999
Quantum phase transitions in antiferromagnets and superfluids
Subir Sachdev, Matthias Vojta
We present a general introduction to the non-zero temperature dynamic and transport properties of low-dimensional systems near a quantum phase transition. Basic results are reviewe…