2 papers
quant-ph2026
A Representation-Theoretic Framework for Characterizing Barren Plateaus
Pedro Alcântara, Leandro Morais, Rafael Chaves
The scalability of variational quantum algorithms is fundamentally limited by the barren plateau effect, where the cost-function variance vanishes with system size, rendering optim…
quant-ph2025
Distinguishing Ordered Phases using Machine Learning and Classical Shadows
Leandro Morais, Tiago Pernambuco, Rodrigo G. Pereira +3
Classifying phase transitions is a fundamental and complex challenge in condensed matter physics. This work proposes a framework for identifying quantum phase transitions by combin…