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C++QED is an application-programming framework for simulating open quantum dynamics in general. It has demonstrated the ability to simulate full Master equation of up to several thousand, and quantum trajectories of up to several hundred thousand dimensions.
The basic idea is to allow users to build arbitrarily complex interacting quantum systems out of free subsystems and interactions (elements), and simulate their time evolution with a number of available time-evolution drivers.
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This library allows you to control a PMS (Particle Measuring Systems) Lasair II air particles counter. You can either use a COM component from several programming languages (Visual Basic, ...) or directly use its underlying Python class.