[QIP-Sem] MIT QIP Seminar Announcement

[QIP-Sem Mailing List]

This week's MIT QIP Seminar will take place on Monday, September 15 
at 16:00 hours in MIT room 4-270, and features:


THE REAL DENSITY MATRIX

by Timothy F. Havel (Dept. of Nuclear Engineering, MIT)

We introduce a nonsymmetric real matrix which contains all the 
information that the usual Hermitian density matrix does, and which 
has exactly the same tensor product structure. The properties of this 
matrix are analyzed in detail in the case of multi-qubit (e.g. spin = 
1/2) systems, where the transformation between the real and Hermitian 
density matrices is given explicitly as an operator sum, and used to 
convert the essential equations of the density matrix formalism into 
the real domain.

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