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SLOCC invariant and semi-invariants for SLOCC classification of four-qubits

arXiv:quant-ph/0701032 · doi:10.1103/PhysRevA.76.052311

Abstract

We show there are at least 28 distinct true SLOCC entanglement classes for four-qubits by means of SLOCC invariant and semi-invariants and derive the number of the degenerated SLOCC classes for n-qubits.

22 pages, no figures, 9 tables, submit the paper to a journal