Mainz 2026 – wissenschaftliches Programm

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SYSB: Symposium Spin-Boson Models

SYSB 1: Spin-boson models

SYSB 1.1: Hauptvortrag

Dienstag, 3. März 2026, 11:00–11:30, RW 1

Tailoring the quantum dynamics of spins with bosonic baths — •Giovanna Morigi — Universität des Saarlandes

The spin-boson model is a paradigm in the theory of open quantum system. One prominent feature is its capability to describe irreversible processes in a spin system within a quantum mechanical framework. Irreversible processes, such as loss of quantum coherence and quantum dissipation, arise from the lack of control over the bosonic environment, the properties of which are often only known at the macroscopic level. Starting from these premises, this talk will discuss how to design spins quantum states and dynamics by means of the coupling with a bosonic bath. The strategy consists of using external fields for designing fixed points of the spin dynamics. Examples will be provided that can be implemented in existing experimental platforms. We will argue that these strategies could open novel pathways for dealing with noise in quantum technologies.

Keywords: Open quantum system; Quantum optics; Quantum reservoir engineering