Negativity as the Entanglement Measure to Probe the Kondo Regime in the Spin-Chain Kondo Model

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Bayat, Abolfazl; Sodano, Pasquale; Bose, Sougato;
(2009)
  • Related identifiers: doi: 10.1103/PhysRevB.81.064429
  • Subject: Condensed Matter - Strongly Correlated Electrons | Condensed Matter - Other Condensed Matter
    arxiv: Condensed Matter::Strongly Correlated Electrons | Condensed Matter::Mesoscopic Systems and Quantum Hall Effect | Quantum Physics

We study the entanglement of an impurity at one end of a spin chain with a block of spins using negativity as a true measure of entanglement to characterize the unique features of the gapless Kondo regime in the spin chain Kondo model. For this spin chain in the Kondo r... View more
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