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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Citation Formats

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.