Multipartite entanglement in spin chains and the Hyperdeterminant

20 Nov 2018 Cervera-Lierta Alba Gasull Albert Latorre José Ignacio Sierra German

A way to characterize multipartite entanglement in pure states of a spin chain with $n$ sites and local dimension $d$ is by means of the Cayley hyperdeterminant. The latter quantity is a polynomial constructed with the components of the wave function $\psi_{i_1, \dots, i_n}$ which is invariant under local unitary transformation... (read more)

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  • QUANTUM PHYSICS
  • STATISTICAL MECHANICS
  • HIGH ENERGY PHYSICS - THEORY