Research

Published:

• Prem Kumar, K. P. Athulya, Sibasish Ghosh, 2026. Asymptotic fourth-order time-convolutionless generator for the spin-boson model: Analytical derivation and benchmarking. Phys. Rev. B 113, 045404. DOI: 10.1103/69y3-x6vh.
• Prem Kumar, K. P. Athulya, Sibasish Ghosh, 2025. Equivalence between the second order steady state for spin-Boson model and its quantum mean force Gibbs state. Phys. Rev. B, 111(11), 115423.
• Kumar, P. and Ghosh, S., 2024. Ultrastrong coupling limit to quantum mean force Gibbs state for anharmonic environment, J. Chem. Phys. 161, 174111 (2024).

Pedagogical Review:

• Kumar, P., 2024. Local Harmonic Approximation to Quantum Mean Force Gibbs State.. Arxiv Preprint.