Quantum systems in the condensed phase often show complex behaviors. This is due to a memory effect called non-Markovianity. Unlike its simpler, memoryless counterpart, non-Markovianity makes these systems harder to understand. Many chemical systems have shown signs of this complex behavior through computer simulations. However, the exact role of memory in these dyna...

You know how the LSM theorem works in closed systems, right? It's like a rule that says certain spin chains can't have a single, non-degenerate ground state. But what happens when these systems aren't closed anymore? They interact with their environment, and things get a bit messy. Imagine you're looking at an open quantum system. It's like a party where the guests ...