Related papers: The Langevin equation from Markovian Quantum Centr…

The paper has been withdrawn by the author due to a crucial error.

This paper has been withdrawn by the author, because a better treatment is given in the author's Phd. thesis (Sections 3.4.6 and 4.4), now available on the arxiv.

The paper has been withdrawn by the author.

In an earlier work [P. J. Bardroff and S. Stenholm], we have derived a fully quantum mechanical description of excess noise in strongly damped lasers. This theory is used here to derive the corresponding quantum Langevin equations. Taking…

This paper has been withdrawn by the author due to a crucial sign error in equation 1

This paper has been withdrawn by the authors due to need of essential revision.

This paper has been withdrawn, as all conjectures (and one claim) have been proven incorrect. Some of what remains may eventually reappear in a different context.

This paper has been withdrawn by the author, due to errors in the figures.

This paper has been withdrawn at the request of one of the authors.

This paper has been withdrawn by the author. The result is already known.

This paper has been withdrawn by the author due to an error.

The effect of the random quantum transverse field $\Omega$

This paper has been withdrawn by the author.

The paper is withdrawn by the author, due to the fact that in Larsson's Phys.Lett. A256 (1999) 245-252 (quant-ph/9901074) a similar model was published with even higher efficiency.

This paper has been withdrawn by the authors due to some errors.

The paper has been withdrawn by the author due to a gap in Proof of Theorem 1.1.

This paper has been withdrawn. The results are now part of math.GR/9804072.

This paper has been withdrawn by the author. This paper is now obsolete. For a solution please see: arXiv:/1205.4265.

This paper has been withdrawn by the authors due to some technical problems in the paper.

This paper has been withdrawn by the author since the comments have been withdrawn.