English

Helstrom Theorem by No-Signaling Condition

Quantum Physics 2009-11-11 v2

Abstract

We prove a special case of Helstrom theorem by using no-signaling condition in the special theory of relativity that faster-than-light communication is impossible.

Cite

@article{arxiv.quant-ph/0502094,
  title  = {Helstrom Theorem by No-Signaling Condition},
  author = {W. -Y. Hwang},
  journal= {arXiv preprint arXiv:quant-ph/0502094},
  year   = {2009}
}

Comments

Minor corrections (A reference added, discussion part deleted, typos in equations corrected), 2 pages, RevTex