K. Scharnhorst: *Entanglement capabilities of the spin representation
of (3+1)D-conformal transformations*.
Quantum Information & Computation **13**:11&12(2013)925-936
[arXiv:1102.2544].
[INSPIRE record]

**Abstract**:
Relying on a mathematical analogy of the pure states of the two-qubit system
of quantum information theory with four-component spinors we introduce the
concept of the intrinsic entanglement of spinors. To explore its physical
sense we study the entanglement capabilities of the spin representation of
(pseudo-) conformal transformation in (3+1)-dimensional Minkowski space-time.
We find that only those tensor product structures can sensibly be introduced
in spinor space for which a given spinor is not entangled.

- Electronic copy of the article: Quantum Information & Computation
- Electronic copy of the preprint: arXiv:1102.2544
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Document address: http://www.nat.vu.nl/~scharnh/paper33.htm