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- Marco Baiesi, Tim Jacobs, Christian Maes, Nikos S Skantzos
- Physical review. E, Statistical, nonlinear, and…
- 2006

We consider a particle dragged through a medium at constant temperature as described by a Langevin equation with a time-dependent potential. The time dependence is specified by an external protocol. We give conditions on potential and protocol under which the fluctuations of the dissipative work satisfy an exact symmetry for all times. We also present… (More)

- Tim Jacobs, Gopal Pandurangan
- Peer-to-Peer Networking and Applications
- 2013

We present and analyze a simple and general scheme to build a churn (fault)-tolerant structured Peer-to-Peer (P2P) network. Our scheme shows how to " convert " a static network into a dynamic distributed hash table(DHT)-based P2P network such that all the good properties of the static network are guaranteed with high probability (w.h.p). Applying our scheme… (More)

- Tim Jacobs
- 2005

Setting The discussion on time-reversal in quantum mechanics exists at least since Wigner's paper [17] in 1932. If and how the dynamics of the quantum world is time-reversible has been the subject of many controversies. Some have seen quantum mechanics as fundamentally time-irreversible, see for example von Neumann [16, p. 358], and some have seen in that… (More)

We introduce a unitary dynamics for quantum spins which is an extension of a model introduced by Mark Kac to clarify the phenomenon of relaxation to equilibrium. When the number of spins gets very large, the magnetization satisfies an autonomous equation as function of time with exponentially fast relaxation to the equilibrium magnetization as determined by… (More)

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