Quantum Fisher Information in semiclassical magnon systems

arXiv:2607.20424 · cond-mat.str-el · Submitted 2026-07-22 · Read on arXiv

cond-mat.str-el

Submitted: 2026-07-22

Updated: 2026-10-19

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Entanglement — 6× in this paper · explained in 4 episodes
• Fisher Information — 2× in this paper · explained in 4 episodes
• Quantum Fisher Information — 2× in this paper
• Quantum Fisher Information (QFI) — 1× in this paper · explained in 17 episodes

Related papers

• Microscopic Constructions of the BF+AAB Topological Field Theory and Borromean-Rings Braiding in (3+1) Dimensions
• Transport in the emergent Bose liquid: Bad metal, strange metal, and weak insulator, all in one system
• NESSi 2.0: The Non-Equilibrium Systems Simulation package version 2.0
• A rigid commensurate host and a defect that switches: vacancies in the frustrated alternating spin-(1, 1/2) Heisenberg chain
• Flat-band ferrimagnetism in the edge-centered honeycomb antiferromagnet: From harmonic flat magnon to broad continuum
• Plasmon Collapse in a Directional Strange Metal