Extreme quantum entanglement in a superposition of macroscopically distinct states
Abstract
A Bell inequality is derived for a state of n spin-1/2 particles which superposes two macroscopically distinct states. Quantum mechanics violates this inequality by an amount that grows exponentially with n.
- Publication:
-
Physical Review Letters
- Pub Date:
- October 1990
- DOI:
- 10.1103/PhysRevLett.65.1838
- Bibcode:
- 1990PhRvL..65.1838M
- Keywords:
-
- 03.65.Bz