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quant-ph2024
Perturbative approach to time-dependent quantum systems and applications to one-crossing multistate Landau-Zener models
Rongyu Hu, Chen Sun
We formulate a perturbative approach for studying a class of multi-level time-dependent quantum systems with constant off-diagonal couplings and diabatic energies being odd functio…
quant-ph2024
Universal scaling of quantum state transport in one-dimensional topological chain under nonadiabatic dynamics
Lingzi Huang, Menghua Deng, Chen Sun +1
When a system is driven across a continuous phase transition, the density of topological defects demonstrates a power-law scaling behavior versus the quenching rate, as predicted b…