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IBM Journal of Research and Development  
Volume 32, Number 1, Page 99 (1988)
Basic Concepts in Quantum and Stochastic T...
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Tunneling times and a quantum clock

by C. Foden, K. W. H. Stevens
The problem of measuring tunneling times by means of a quantum clock is found to lead to difficulties which are thought to arise because the Hamiltonian of the coupled system does not separate into particle and clock parts.
Related Subjects: Carrier transport in small structures; Mesoscopic phenomena; Physics, solid state; Quantum theory and effects