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Novel Antiferromagnetic Quantum Phase Transition in Underdoped Cuprates by Kwon, Hyok-Jon is a scholarly article available to read on EtoBox.

What is Novel Antiferromagnetic Quantum Phase Transition in Underdoped Cuprates about?

We investigate a zero-temperature itinerant antiferromagnetic transition where the fermions possess a d-wave gap. This problem pertains to both the nodal liquid insulating phase and the d-wave superconducting phase of the underdoped cuprates. We find that a non-trivial quantum phase transition exists, and that the quantum critical point is dominated by a long-ranged interaction ($|x-y|^{-2d}$) of the N\'{e}el order parameter, which is induced by the Dirac-like fermions near gap nodes. We formulate a Ginzburg-Landau functional and estimate the critical exponents via the large-N expansion method.

Author

Kwon, Hyok-Jon

Published

1999

Language

EN