Four-qubit entanglement from string theory

TL;DR

This paper uses the black hole/qubit correspondence to classify four-qubit entanglement, revealing 31 families that reduce to nine under permutation, linking string theory symmetries to quantum entanglement structures.

Contribution

It introduces a novel classification of four-qubit entanglement based on string theory dualities and black hole physics.

Findings

Identifies 31 entanglement families from string theory symmetries.

Reduces these to nine classes under qubit permutation.

Establishes a connection between string theory and quantum entanglement classification.

Abstract

We invoke the black hole/qubit correspondence to derive the classification of four-qubit entanglement. The U-duality orbits resulting from timelike reduction of string theory from D=4 to D=3 yield 31 entanglement families, which reduce to nine up to permutation of the four qubits.