Nonclassical evolution of a free particle
Quantum Physics
2007-05-23 v1
Abstract
A conditional kinetic energy is defined in terms of the Wigner distribution. It is shown that this kinetic energy may become negative for negative Wigner distributions. A free particle wave packet with negative kinetic energy will spread in a nonclassical manner.
Cite
@article{arxiv.quant-ph/9804002,
title = {Nonclassical evolution of a free particle},
author = {Lars M. Johansen},
journal= {arXiv preprint arXiv:quant-ph/9804002},
year = {2007}
}
Comments
To appear in proceedings of the 5th International Conference on Squeezed States and Uncertainty Relations