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Chaos in the SU (2) Yang-Mills Chern-Simons matrix model
Date
2021-09-15
Author
Başkan, Kağan
Kürkcüoğlu, Seçkin
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We study the effects of addition of the Chern-Simons (CS) term in the minimal Yang-Mills (YM) matrix model composed of two 2×2 matrices with SU(2) gauge and SO(2) global symmetry. We obtain the Hamiltonian of this system in appropriate coordinates and demonstrate that its dynamics is sensitive to the values of both the CS coupling, κ, and the conserved conjugate momentum, pφ, associated to the SO(2) symmetry. We examine the behavior of the emerging chaotic dynamics by computing the Lyapunov exponents and plotting the Poincaré sections as these two parameters are varied and, in particular, find that the largest Lyapunov exponents evaluated within a range of values of κ are above what is computed at κ=0, for κpφ<0. We also give estimates of the critical exponents for the Lyapunov exponent as the system transits from the chaotic to nonchaotic phase with pφ approaching to a critical value.
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85114440275&origin=inward
https://hdl.handle.net/11511/92560
Journal
Physical Review D
DOI
https://doi.org/10.1103/physrevd.104.066006
Collections
Department of Physics, Article
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K. Başkan and S. Kürkcüoğlu, “Chaos in the SU (2) Yang-Mills Chern-Simons matrix model,”
Physical Review D
, vol. 104, no. 6, pp. 0–0, 2021, Accessed: 00, 2021. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85114440275&origin=inward.