Modelling the dynamics of quantum systems interacting with spin environments. Derivation of the exact master equations and their characterization. Study of quantum correlations under the mentioned evolutions.

Characterization of non-Markovianity and their applications in Quantum information and Quantum Thermodynamics.

Quantum Heat engines and refrigerators. Modelling Quantum absorption refrigerators with non-Markovian reservoir and heat baths.Protocols to achieve fast efficient cooling in Quantum absorption refrigerators. Comparative study of Coefficient of Performance and Quantum speed limits. Thermodynamic characterizations of non-Markovianity.