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
2024
1) Generation of scalable many-body Bell correlations in spin chains with short-range two-body interactions
M PłMarcin Płodzień, Tomasz Wasak, Emilia Witkowska, Maciej Lewenstein, and Jan Chwedeńczuk
Phys. Rev. Research 6, 023050 (2024)
2) Bell correlations of a thermal fully connected spin chain in the vicinity of a quantum critical point
Danish Ali Hamza and Jan Chwedeńczuk
Phys. Rev. A 110, 012210 (2024)
3) Entanglement classification and non-𝑘-separability certification via Greenberger-Horne-Zeilinger-class fidelity
Marcin Płodzień, Jan Chwedeńczuk, Maciej Lewenstein, and Grzegorz Rajchel-Mieldzioć
Phys. Rev. A 110, 032428 (2024)
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)