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quant-ph2025
From Divergent Series to Geometry: Resurgence of the Quantum Metric
Marcos J. Hernández, Bogar Díaz, J. David Vergara
In this work, we analyze perturbative expansions of the quantum metric tensor (QMT) in anharmonic oscillators, focusing on quartic, sextic, and -dimensional models. Using high-o…
quant-ph2025★ 3 cited
Time-dependent quantum geometric tensor and some applications
Bogar Díaz, Diego Gonzalez, Marcos J. Hernández +1
We define a time-dependent extension of the quantum geometric tensor to describe the geometry of the time-parameter space for a quantum state, by considering small variations in bo…