English

Measurement of a spin-1 system

Quantum Physics 2015-09-08 v2

Abstract

We derive exact formulas describing an indirect von Neumann measurement of a spin-1 system. The results hold for any interaction strength and for an arbitrary output variable \HatO\Hat{O}.

Keywords

Cite

@article{arxiv.1309.2127,
  title  = {Measurement of a spin-1 system},
  author = {Antonio Di Lorenzo},
  journal= {arXiv preprint arXiv:1309.2127},
  year   = {2015}
}

Comments

13 pages; comments welcome. V2 25 pages, close to published version, added two appendices reformulating a result from Dressel and Jordan in terms of the quantum characteristic function