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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Emergent SU(3) Symmetry in Random Spin-1 Chains

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Quito, V. L. [1] ; Hoyos, Jose A. [2] ; Miranda, E. [1]
Total Authors: 3
[1] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083859 Sao Paulo - Brazil
[2] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Paulo - Brazil
Total Affiliations: 2
Document type: Journal article
Source: Physical Review Letters; v. 115, n. 16 OCT 14 2015.
Web of Science Citations: 9

We show that generic SU(2)-invariant random spin-1 chains have phases with an emergent SU(3) symmetry. We map out the full zero-temperature phase diagram and identify two different phases: (i) a conventional random-singlet phase (RSP) of strongly bound spin pairs {[}SU(3) mesons{''}] and (ii) an unconventional RSP of bound SU(3) baryons, {''} which are formed, in the great majority, by spin trios located at random positions. The emergent SU(3) symmetry dictates that susceptibilities and correlation functions of both dipolar and quadrupolar spin operators have the same asymptotic behavior. (AU)

FAPESP's process: 09/17531-3 - Studies of strongly disordered quantum systems
Grantee:Victor Luiz Quito
Support type: Scholarships in Brazil - Doctorate (Direct)