3 papers
cond-mat.mes-hall2026
Thermal Hofstadter Butterflies
Natalia Cortés, Bastian Castorene, Francisco J. Peña +3
Fractal electronic spectra arising from the competition between lattice periodicity and magnetic flux are a fundamental hallmark of two-dimensional quantum systems. While the spect…
cond-mat.stat-mech2025
Entropy, entanglement and susceptibility of three qubits near quantum criticality
Bastian Castorene, Francisco J. Peña, Ariel Norambuena +3
This work investigates a system of three entangled qubits within the XXX model, subjected to an external magnetic field in the -direction and incorporating an anisotropy term al…
cond-mat.other2025
Probing nonlocal correlations in magnetic rare-earth clusters
David W. Facemyer, Sergio E. Ulloa
Understanding and quantifying entanglement entropy is crucial to characterize the quantum behaviors that drive phenomena in a variety of systems. Rare-earth spin complexes, with th…