Research

• Non-Hermitian physics

• Topology and quantum optics

• Waveguide QED

• Many-body physics

Preprints

1. Fibonacci Waveguide Quantum Electrodynamics
   F. Bönsel, Flore K. Kunst, F. Roccati. arXiv:2507.06308 

2. Many-Body Quantum Optics in a Bose-Hubbard Waveguide
   F. Roccati. arXiv:2505.02892

Selected Publications

1. Finite steady-state current defies non-Hermitian many-body localization
   P. Brighi, M. Ljubotina, F. Roccati, F. Balducci. Phys. Rev. Research 7, L042014 (2025)

2. Two transitions in complex eigenvalue statistics: Hermiticity and integrability breaking
   G. Akemann, F. Balducci, A. Chenu, P. Päßler, F. Roccati, R Shir. Phys. Rev. Research 7, 013098 (2025)

3. Controlling Markovianity with Chiral Giant Atoms
   F. Roccati, D. Cilluffo. Phys. Rev. Lett. 133, 063603 (2024)

4. Diagnosing non-Hermitian Many-Body Localization and Quantum Chaos via Singular Value Decomposition
   F. Roccati, F. Balducci, R. Shir, A. Chenu. Phys. Rev. B 109, L140201 (2024)

5. Hermitian and Non-Hermitian Topology from Photon-Mediated Interactions.
   F. Roccati, M. Bello, Z. Gong, M. Ueda, F. Ciccarello, A. Chenu, A. Carollo. Nat Commun 15, 2400 (2024) [Editors’ Highlight]

6. Quantum correlations in dissipative gain-loss systems across exceptional points.
   F. Roccati, A. Purkayastha, G. M. Palma, F. Ciccarello. Eur. Phys. J. Spec. Top. (2023). 

7. Non-Hermitian Hamiltonian Deformations in Quantum Mechanics.
   A. S. Matsoukas-Roubeas, F. Roccati, J. Cornelius, Z. Xu, A. Chenu, A. del Campo. J. High Energ. Phys. 2023, 60 (2023)

8. Quantum correlations beyond entanglement in a classical-channel model of gravity.
   F. Roccati, B. Militello, E. Fiordilino, R. Iaria, L. Burderi, T. Di Salvo, F. Ciccarello. Sci. Rep. 12, 17641 (2022) 

9. Non-Hermiticity and master equations.
   F. Roccati, G. M. Palma, F. Ciccarello, F. Bagarello. Open Systems & Information Dynamics. Vol. 29, No. 01, 2250004 (2022) [Top dowloaded papers 2024]

10. Exotic interaction mediated by a non-Hermitian photonic bath.
    F. Roccati, S. Lorenzo, G. Calajò, G. M. Palma, A. Carollo, F. Ciccarello. Optica 9, 565-571 (2022)

11. Non-Hermitian skin effect as an impurity problem.
    F. Roccati. Phys. Rev. A 104, 022215 (2021)

12. Quantum correlations in PT-symmetric systems. F. Roccati, S. Lorenzo, G. M. Palma, G. T. Landi, M. Brunelli, F. Ciccarello.
    Quantum Science and Technology 6 (2), 025005, (2021)

13. A no-go result for the quantum damped harmonic oscillator.
    F. Bagarello, F. Gargano, F. Roccati. Physics Letters A 383 (24), 2836-2838 (2019)