Archive: February, 2011

New paper: Entanglement dynamics and quasi-periodicity in discrete quantum walks

We study the entanglement dynamics of discrete time quantum walks acting on bounded finite sized graphs. We demonstrate that, depending on system parameters, the dynamics may be monotonic, oscillatory but highly regular, or quasi-periodic. While the dynamics of the system are not chaotic since the system comprises linear evolution, the dynamics often exhibit some features […]

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Public transport?

I never figured out why so many of my economically conservative friends are opposed to investing in public transport. After all, we subsidise private transport in the form of roads, bridges, highways and public parking. Public transport takes load off this infrastructure, which means we need to invest less into it. This could make heavy […]

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