119 citations · 175 across the 6 of their papers we have counts for
Showing 2004 · quant-phShow all
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quant-ph2004
Single-particle entanglement
M. Ali Can, Alexander Klyachko, Alexander Shumovsky
Using the approach to quantum entanglement based on the quantum fluctuations of observables, we show the existence of perfect entangled states of a single "spin-1" particle. We giv…
quant-ph2004★ 119 cited
Quantum marginal problem and representations of the symmetric group
Alexander Klyachko
We discuss existence of mixed state of multicomponent system with given spectrum and given reduced density matrices. We give a complete solution of the problem in terms of linear i…