Coherent Superposition States as Quantum Rulers
量子物理
2009-11-07 v2
摘要
We explore the sensitivity of an interferometer based on a quantum circuit for coherent states. We show that its sensitivity is at the Heisenberg limit. Moreover we show that this arrangement can measure very small length intervals.
引用
@article{arxiv.quant-ph/0109106,
title = {Coherent Superposition States as Quantum Rulers},
author = {T. C. Ralph},
journal= {arXiv preprint arXiv:quant-ph/0109106},
year = {2009}
}