skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Classification of four-qubit states by means of a stochastic local operation and the classical communication invariant and semi-invariants

Journal Article · · Physical Review. A
 [1];  [2];  [3];  [4]
  1. Department of Mathematical Sciences, Tsinghua University, Beijing 100084 (China)
  2. Department of Mathematics, University of California, Irvine, California 92697-3875 (United States)
  3. Electrical Engineering and Computer Science Department, University of Michigan, Ann Arbor, Michigan 48109 (United States)
  4. Department of Computer Science, Wayne State University, Detroit, Michigan 48202 (United States)

We show there are at least 28 distinct true stochastic local operations and classical communication (SLOCC) entanglement classes for four qubits by means of SLOCC invariant and semi-invariants and derive the number of degenerate SLOCC classes for n qubits.

OSTI ID:
21027973
Journal Information:
Physical Review. A, Vol. 76, Issue 5; Other Information: DOI: 10.1103/PhysRevA.76.052311; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
Country of Publication:
United States
Language:
English