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Open Quantum Systems Decoherence Superconducting Qubits

Sharp signature of a dx2-y2 quantum critical point in the Hall coefficient of cuprate superconductors.

PubMed
Authors: Chakravarty S, Nayak C, Tewari S, Yang X

Year

2002

Paper ID

13057

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

110

Citations

44

Abstract

We study the behavior of the Hall coefficient, R(H), in a system exhibiting dx(2)(-y(2)) density-wave order in a regime in which the carrier concentration, x, is tuned to approach a quantum critical point at which the order is destroyed. At the mean-field level, we find that n(Hall)=1/R(H) evinces a sharp signature of the transition. There is a kink in n(Hall) at the critical value of the carrier concentration, x(c); as the critical point is approached from the ordered side, the slope of n(Hall) diverges. Hall transport experiments in the cuprates, at high magnetic fields sufficient to destroy superconductivity, should reveal this effect.

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  • We study the behavior of the Hall coefficient, R(H), in a system exhibiting dx(2)(-y(2)) density-wave order in a regime in which the carrier concentration, x, is tuned to...

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References & Citation Signals

[1] DOI https://doi.org/10.1103/PhysRevLett.89.277003 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/12513234/

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-10-22 09:30:26

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