3 papers
quant-ph2026
Universal Crossovers of Stabilizer Entropy Beyond Criticality
Reyhaneh Khasseh, E. A. Ramirez Trino, M. A. Rajabpour
Stabilizer Rényi entropy has emerged as a probe of nonstabilizerness in quantum many-body systems, but its scaling structure beyond critical points remains poorly understood compa…
quant-ph2026
Stabilizer-Shannon Renyi Equivalence: Exact Results for Quantum Critical Chains
E. A. Ramirez Trino, M. A. Rajabpour
Shannon-Renyi and stabilizer entropies are key diagnostics of structure, non-stabilizerness, phase transitions, and universality in quantum many-body states. We establish an exact…
cond-mat.stat-mech2025
A Generalized Grassmann-Pfaffian Framework for Monomer-Dimer and Spanning Trees
E. A. Ramirez Trino, M. A. Seifi MirJafarlou, M. A. Rajabpour
We develop a unified framework for Berezin integrals over Grassmann variables that establishes master identities for exponential quadratic fermionic forms and linear fermionic form…