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7 papers · 1 filter
Jet cocoons and the formation of Narrow Line Clouds in Seyfert galaxies
W. Steffen, J. L. Gomez, R. J. R. Williams +2
We present non-adiabatic hydrodynamic simulations of a supersonic light jet propagating into a fully ionized medium of uniform density on a scale representative of the narrow line…
On boson algebras as Hopf algebras
I Tsohantjis, A Paolucci, P D Jarvis
Certain types of generalized undeformed and deformed boson algebras which admit a Hopf algebra structure are introduced, together with their Fock-type representations and their cor…
Nonequilibrium perturbation theory for complex scalar fields
I. D. Lawrie, D. B. McKernan
Real-time perturbation theory is formulated for complex scalar fields away from thermal equilibrium in such a way that dissipative effects arising from the absorptive parts of loop…
Separation of variables for A2 Ruijsenaars model and new integral representation for A2 Macdonald polynomials
Vadim B. Kuznetsov, Evgueni K. Sklyanin
Using the Baker-Akhiezer function technique we construct a separation of variables for the classical trigonometric 3-particle Ruijsenaars model (relativistic generalization of Calo…
Dynamical r-matrix for the elliptic Ruijsenaars-Schneider system
F. W. Nijhoff, V. B. Kuznetsov, E. K. Sklyanin +1
The classical r-matrix structure for the generic elliptic Ruijsenaars-Schneider model is presented. It makes the integrability of this model as well as of its discrete-time version…
Relaxation and Kinetics in Scalar Field Theories
D. Boyanovsky, I. D. Lawrie, D. S. Lee
A new approach to the dynamics of relaxation and kinetics of thermalization in a scalar field theory is presented that incorporates the relevant time scales through the resummation…