English

Prevention of dissipation with two particles

Quantum Physics 2009-10-30 v1

Abstract

An error prevention procedure based on two-particle encoding is proposed for protecting an arbitrary unknown quantum state from dissipation, such as phase damping and amplitude damping. The schemes, which exhibits manifestation of the quantum Zeno effect, is effective whether quantum bits are decohered independently or cooperatively. We derive the working condition of the scheme and argue that this procedure has feasible practical implementation.

Keywords

Cite

@article{arxiv.quant-ph/9712005,
  title  = {Prevention of dissipation with two particles},
  author = {Lu-Ming Duan and Guang-Can Guo},
  journal= {arXiv preprint arXiv:quant-ph/9712005},
  year   = {2009}
}

Comments

12 pages, Latex