3 papers
quant-ph2026
Parametrized Variational Quantum Tomography
V. A. Penas, M. Losada, D. Tielas +1
Quantum state tomography provides a fundamental framework for reconstructing quantum states. When the measurement data are not informationally complete, the observed statistics adm…
cond-mat.str-el2026
Quantum skyrmions in the antiferromagnetic triangular lattice
Inés Corte, Federico Holik, Lorena Rebón +1
Magnetic skyrmions are topological quasiparticles potentially useful for memory and computing devices. Antiferromagnetic (AF) skyrmions present no transverse deflection, making the…
math-ph2025
Mixed dynamics from the classical and quantum ergodic hierarchy
Ignacio S. Gomez, Federico H. Holik
Based on the classical and quantum ergodic hierarchy, a framework for mixed systems with a phase space composed by two uncorrelated integrable and chaotic regions is presented. It…