A Discussion on the Properties of Gamow States
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- Gadella, M. Found Phys (2015) 45: 177. doi:10.1007/s10701-014-9860-7
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Gamow states are vector states for the pure decaying part of a quantum resonance. We review and analyze the properties of Gamow vectors in different representations. In particular, we discuss the controversial problem of assigning a mean value of the energy for a Gamow state from several points of view. The question on whether a Gamow state is a pure state or not is also analyzed here, as has relevance on the assignation of a non-zero value for the entropy for a Gamow state.