Cluster-configurational study of G-center in Silicon

Understanding the properties of defects is imperative for proper use for variety of applications including quantum computing. In this paper, we use the multiconfigurational self consistent field (MCSCF) combined with DFT optimized geometry in order to investigate the spin and optical properties of G centers in Silicon. By utilizing quantum chemistry based methods, we show excellent agreement with the Zero Phonon Line and Zero Field Splitting Tensor components of the G center. We also calculate the theoretical spin decoherence time of the G centers using Cluster Correlation Expansion (CCE) methods.

Source: arXiv:2607.14083v1 - http://arxiv.org/abs/2607.14083v1 PDF: https://arxiv.org/pdf/2607.14083v1 Original Link: http://arxiv.org/abs/2607.14083v1