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Название: Model Apparatus for Quantum Measurements
Авторы: Gaveau B., Schulman L.S.
We present a model system that behaves as a measurement apparatus for quantum systems should. The device is macroscopic, it interacts with the microscopic system to be measured, and the results of that interaction affect the macroscopic device in a macroscopic, irreversible way. Everything is treated quantum mechanically: the apparatus is defined in terms of its (many) coordinates, the Hamiltonian is given, and time evolution follows Schr6dinger's equation. It is proposed that this model be itself used as a laboratory for testing ideas on the measurement process.