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quant-ph2026
Reduced Dynamical Maps in Finite Temperature Vibronic Coupling Models via Choi Matrices: Numerical Methods and Applications
Raffaele Borrelli, Hideaki Takahashi
We present a streamlined implementation of a computational framework for constructing and analyzing reduced dynamical maps for complex system--bath models at finite temperature. Th…
quant-ph2024
Discretization of Structured Bosonic Environments at Finite Temperature by Interpolative Decomposition: Theory and Application
Hideaki Takahashi, Raffaele Borrelli
We present a comprehensive theory for a novel method to discretize the spectral density of a bosonic heat bath, as introduced in [H. Takahashi and R. Borrelli, J. Chem. Phys. \text…
quant-ph2024
Effective Modeling of Open Quantum Systems by Low-rank Discretization of Structured Environments
Hideaki Takahashi, Raffaele Borrelli
The accurate description of the interaction of a quantum system with a its environment is a challenging problem ubiquitous across all areas of physics, and lies at the foundation o…