| Issue |
EPL
Volume 86, Number 3, May 2009
|
|
|---|---|---|
| Article Number | 30005 | |
| Number of page(s) | 4 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/86/30005 | |
| 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: eriks@kvac.uu.se
Received:
9
March
2009
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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