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quant-ph2001
Oscillating decay of an unstable system
I. Antoniou, E. Karpov, G. Pronko +1
We study the short-time and medium-time behavior of the survival probability in the frame of the -level Friedrichs model. The time evolution of an arbitrary unstable initial sta…
hep-th2001
On the Hamiltonian Description of Fluid Mechanics
I. Antoniou, G. P. Pronko
We suggest the Hamiltonian approach for fluid mechanics based on the dynamics, formulated in terms of Lagrangian variables. The construction of the canonical variables of the fluid…
physics.class-ph2001
Coarse graining: lessons from simple examples
P. Akritas, I. Antoniou, E. Yarevsky
We assess Coarse Graining by studying different partitions of the phase space of the Baker transformation and the periodic torus automorphisms. It turns out that the shape of autoc…