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Open Quantum Systems Decoherence Quantum Simulation

Dynamical mean-field theory of resonating-valence-bond antiferromagnets.

PubMed
Authors: Georges A, Siddharthan R, Florens S

Year

2001

Paper ID

13173

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

85

Citations

22

Abstract

We propose a theory of the spin dynamics of frustrated quantum antiferromagnets, which is based on an effective action for a plaquette embedded in a self-consistent bath. This approach, supplemented by a low-energy projection, is applied to the Kagomé antiferromagnet. We find that a spin-liquid regime extends to very low energy, in which local correlation functions have a slow decay in time, well described by power-law behavior and omega/T scaling of the response function: chi(") (omega) is proportional to omega(-alpha)F (omega/T).

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • We propose a theory of the spin dynamics of frustrated quantum antiferromagnets, which is based on an effective action for a plaquette embedded in a self-consistent bath.

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References & Citation Signals

[1] DOI https://doi.org/10.1103/PhysRevLett.87.277203 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/11800912/

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-06-13 04:48:06

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