0 ... 0 1, (Q, Qi form an additive system of quantities), if [Q, P] = 0 (superselection rule), and if the reduced density matrix pi is obtained from the density matrix P by tracing out over the j-spaces, j -f i, then [qi , pi] = 0. This shows that a superselection rule for an additive quantity propa
β¦ LIBER β¦
On the superselection rule for electric charge
β Scribed by L. V. Prokhorov
- Publisher
- Springer
- Year
- 1990
- Tongue
- English
- Weight
- 189 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0377-9017
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