Qubits as hypermatrices and entanglement

Author:

Dobes Isaac,Jing NaihuanORCID

Abstract

Abstract In this paper, we represent n-qubits as hypermatrices and consider various applications to quantum entanglement. In particular, we use the higher-order singular value decomposition of hypermatrices to prove that the π-transpose is an LU invariant. Additionally, through our construction we show that the matrix representation of the combinatorial hyperdeterminant of 2n-qubits can be expressed as a product of the second Pauli matrix, allowing us to derive a formula for the combinatorial hyperdeterminant of 2n-qubits in terms of the n-tangle.

Funder

Simons Foundation

Publisher

IOP Publishing

Reference19 articles.

1. Nonlocal properties of two-qubit gates and mixed states, and the optimization of quantum computations;Makhlin;Quant. Info. Process.,2002

2. Multipartite entanglement and hyperdeterminants;Miyake;Quant. Info. Comp.,2000

3. Entanglement of formation of an arbitrary state of two Qubits;Wootters;Phys. Rev. Lett.,1998

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