The Lyapunov spectrum corresponding to a periodic orbit for a two-dimensional many-particle system with hard core interactions is discussed. Noting that the matrix to describe the tangent space dynamics has the block cyclic structure, the calculation of the Lyapunov spectrum is attributed to the eigenvalue problem of 16×16 reduced matrices regardless of the number of particles. We show that there is the thermodynamic limit of the Lyapunov spectrum in this periodic orbit. The Lyapunov spectrum has a step structure, which is explained by using symmetries of the reduced matrices.
Lyapunov Spectra of Periodic Orbits for a Many-Particle System
Tooru Taniguchi,C. Dettmann,G. Morriss
Published 2002 in Journal of Statistical Physics
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- Publication year
2002
- Venue
Journal of Statistical Physics
- Publication date
2002-01-24
- Fields of study
Mathematics, Physics
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