Quantum many-body theory

Low-temperature atomic systems manifest phenomena that are strikingly different from classical mechanics. Quantum mechanics implies that energy levels are discrete and this is the foundation of the current definition of the second.

Accuracy and precision of optical clocks are entering a regime where not only single-atom quantum mechanics is crucial, but also quantum many-body phenomena play a relevant role. When going beyond mean-field or perturbative theoretical approaches, their study generically requires massively parallel computation on HPC resources.


We are presently investigating:


Contact: Gianluca Bertaina


Publications: see here or here


PhD students:

Supervisor: Prof. Davide E. Galli. Co-supervisor: Dr. Gianluca Bertaina

Supervisor: Prof. Davide E. Galli. Co-supervisor: Dr. Gianluca Bertaina


Theses:

Nitya Cuzzuol, Università degli Studi di Bologna (2022)

Supervisor: Prof. Pierbiagio Pieri. Co-supervisor: Dr. Gianluca Bertaina

Andrea Caprotti, Università degli Studi di Milano (2022)

Supervisors: Prof.  Marco G. Genoni, Dr. Gianluca Bertaina. Co-supervisor: Dr. Marco G. Tarallo

Jacopo D'Alberto, Università degli Studi di Bologna (2021)

Supervisor: Prof. Pierbiagio Pieri, Co-supervisor: Dr. Gianluca Bertaina

Christian Apostoli, Università degli Studi di Milano (2020)

Supervisor: Prof. Davide E. Galli. Co-supervisor: Dr. Gianluca Bertaina


Fellowships:

Andrea Caprotti, INRiM (2022). Funding source: Q-Clocks QuantERA 2017

Supervisor: Dr. Gianluca Bertaina


Collaborators

Gianluca Bertaina


Former collaborators

Andrea Caprotti


Funding

New 2023! Ministero dell'Università e della Ricerca PRIN "Efficient simulation and design of quantum CONtrol sTRategies for mAny-Body quAntum SystemS" (CONTRABASS)

EU QuantERA Q-Clocks (Levi, Tarallo)

EMPIR USOQS (Levi, Tarallo)