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math-ph2015★ 2 cited
Effective non-Markovian description of a system interacting with a bath
L. Ferialdi, D. Dürr
We study a harmonic system coupled to chain of first neighbor interacting oscillators. After deriving the exact dynamics of the system, we prove that one can effectively describe t…
math-ph2011★ 20 cited
Functional Lagrange formalism for time-non-local Lagrangians
Luca Ferialdi, Angelo Bassi
We develop a time-non-local (TNL) formalism based on variational calculus, which allows for the analysis of TNL Lagrangians. We derive the generalized Euler-Lagrange equations star…