Protective Measurements of Two-State Vectors
Quantum Physics
2007-05-23 v1
Abstract
A recent result about measurability of a quantum state of a single quantum system is generalized to the case of a single pre- and post-selected quantum system described by a two-state vector. The protection required for such measurement is achieved by coupling the quantum system to a pre- and post-selected protected device yielding a nonhermitian effective Hamiltonian.
Cite
@article{arxiv.quant-ph/9602009,
title = {Protective Measurements of Two-State Vectors},
author = {Y. Aharonov and L. Vaidman},
journal= {arXiv preprint arXiv:quant-ph/9602009},
year = {2007}
}
Comments
TeX, 11 pages