Seven steps towards the classical world

@article{Allori2001SevenST,
  title={Seven steps towards the classical world},
  author={Valia Allori and Detlef Durr and Shelly Goldstein and Nino Zangh'i},
  journal={Journal of Optics B-quantum and Semiclassical Optics},
  year={2001},
  volume={4},
  pages={171-182}
}
Classical physics is about real objects, like apples falling from trees, whose motion is governed by Newtonian laws. In standard quantum mechanics only the wavefunctions or the results of measurements exist, and to answer the question of how the classical world can be part of the quantum world is a rather formidable task. However, this is not the case for Bohmian mechanics which, like classical mechanics, is a theory about real objects. In Bohmian terms, the problem of the classical limit… 
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