78 citations · 250 across the 5 of their papers we have counts for
Showing 2003 · quant-phShow all
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quant-ph2003★ 13 cited
Mixed State Geometric Phase from Thomas Rotations
Péter Lévay
It is shown that Uhlmann's parallel transport of purifications along a path of mixed states represented by density matrices is just the path ordered product of Thomas r…
quant-ph2003
The geometry of entanglement: metrics, connections and the geometric phase
Peter Levay
Using the natural connection equivalent to the SU(2) Yang-Mills instanton on the quaternionic Hopf fibration of over the quaternionic projective space …