Quantum mechanics
Bell nonlocality and entanglement in many-body systems
Quantum metrology
Matter-wave interferometry with Bose-Einstein condensates
Atom-light interferometry with BEC's in optical cavities
2022
1) One-axis twisting as a method of generating many-body Bell correlations
M Płodzień, M Lewenstein, E Witkowska, J Chwedeńczuk
Phys. Rev. Lett. 129, 250402 (2022)
2) Many-body Bell inequalities for bosonic qubits
Jan Chwedeńczuk
Sci. Post Phys. Core 5, 025 (2022)
2021
1) Many-Body Nonlocality as a Resource
for Quantum-Enhanced Metrology
A. Niezgoda and J. Chwedeńczuk
Phys. Rev. Lett. 126, 210506 (2021)
2) Cooperatively enhanced precision of hybrid light-matter sensors
Artur Niezgoda, Jan Chwedeńczuk, Tomasz Wasak, and Francesco Piazza
Phys. Rev. A 104, 023315 (2021)