Seminar - Kade Head-Marsden, University of Minnesota

Title: Using completely positive trace preserving maps: spin dynamics and steady state predictions

Abstract: The Gorini-Kossakowski-Sudarshan-Lindblad (GKSL) formulation is a common method for treating open quantum system dynamics. While it is limited to the weakly coupled, Markovian regime, it still finds broad use in quantum chemistry and quantum information science. Notably, this formulation allows for the preservation of positivity in the system density matrix, and therefore guarantees a physical evolution of probabilities.  Here, I will discuss the use of the GKSL formulation for two different applications. The first is low-temperature spin decoherence dynamics in molecular systems used quantum information science, and the second is the prediction and stabilization of highly entangled steady states in the presence of dissipation.