2015
DOI: 10.1007/s40509-015-0059-1
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Quantum entanglement in trimer spin-1/2 Heisenberg chains with antiferromagnetic coupling

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Cited by 11 publications
(6 citation statements)
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“…Here the possible emergence of novel quasi-particles, by reconstruction of elementary excitations due to spontaneous symmetry breaking, is expected up to a temperature close to room temperature. Further, the quantum entanglement for Na 2 Cu 3 Ge 4 O 12 reveals a very high decoherence (critical) temperatures of ~250 K (the quantum entanglement estimated following the Hilbert-Schmidt norm 18 for α = 0 (see Supplementary Note 4 , and Supplementary Fig. 5 for details).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Here the possible emergence of novel quasi-particles, by reconstruction of elementary excitations due to spontaneous symmetry breaking, is expected up to a temperature close to room temperature. Further, the quantum entanglement for Na 2 Cu 3 Ge 4 O 12 reveals a very high decoherence (critical) temperatures of ~250 K (the quantum entanglement estimated following the Hilbert-Schmidt norm 18 for α = 0 (see Supplementary Note 4 , and Supplementary Fig. 5 for details).…”
Section: Resultsmentioning
confidence: 99%
“…However, the utility of the Bethe ansatz is limited when perturbing the HAC beyond the solvable uniform XXZ model 12,13 , such as, with the periodic exchange interactions within the chain. One of such models is a quantum trimer spin-chain with repeating couplings J 1 -J 1 -J 2 (intratrimer J 1 , and intertrimer J 2 ) [14][15][16][17][18][19] for which emergent composite excitations of novel quasi-particles doublons and quartons, in addition to the low energy fractional spinon excitations, have been predicted very recently 20 . Such emergent composite excitations appear only over a specific range of small values of α = J 2 /J 1 < 0.4, and with increasing α value those states fractionalize to form the conventional spinon continuum when α → 1.…”
mentioning
confidence: 99%
“…The entanglement of a dimertrimer system was studied experimentally using magnetic susceptibility in 2008 by M. Souza et al [53]. In [54], in 2015, entanglement for the trimer compound is shown to be related to the magnetic susceptibility of the material.…”
Section: Entanglement Of the Antiferromagnetic Pyrochlore Laddermentioning
confidence: 99%
“…The functional dependence of the entanglement on the correlation functions and magnetic susceptibility were discussed in Ref. 's [28,29,30,52,53,54,57,58,59,60].…”
Section: Introductionmentioning
confidence: 99%
“…The entanglement properties of various cluster magnetic systems were studied in the literature. In the order of increasing cluster size, such systems as: dimers [8,9,10,11,12,13,14,15,16,17,18,19], trimers [20,21,8,22,23,24], tetramers [21,8,25,23,16,26], hexamers [27] or even larger structures [28] of various geometry, including spin wheels [29] of large size and high spin, were investigated, both from the theoretical and experimental point of view. In particular, in the work Ref.…”
Section: Introductionmentioning
confidence: 99%