Volume 86, Number 3, May 2009
|Number of page(s)||4|
|Published online||21 May 2009|
Experimentally testable geometric phase of sequences of Everett's relative quantum states
Department of Quantum Chemistry, Uppsala University - Box 518, SE-751 20 Uppsala, Sweden, EU
Corresponding author: email@example.com
Accepted: 15 April 2009
Everett's concept of relative state is used to introduce a geometric phase that depends nontrivially on entanglement in a pure quantum state. We show that this phase can be measured in multiparticle interferometry. A correlation-dependent generalization of the relative state geometric phase to mixed quantum states is outlined.
PACS: 03.65.Vf – Phases: geometric; dynamic or topological / 03.65.Ud – Entanglement and quantum nonlocality (e.g., EPR paradox, Bell's inequalities, GHZ states, etc.)
© EPLA, 2009
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