Dietze K, Pelzer L, Krinner L, Dawel F, Kramer J, Spethmann NCH et al. Entanglement-enhanced optical ion clock. Physical review letters. 2026 Feb 17;136(7):073601. doi: 10.1103/dyqm-k8p6
Johny N, Junker J, Schulte B, Wilken D, Hammerer K, Heurs M. Realization of an All-Optical Effective Negative-Mass Oscillator for Coherent Quantum Noise Cancellation. PRX Quantum. 2026 May 22;7(2):020335. doi: 10.1103/wdyd-bvkr
Li R, Martínez-Lahuerta VJ, Gaaloul N, Hammerer K. High-contrast double Bragg interferometry via detuning control. AVS Quantum Science. 2026 Mar;8(1):014402. Epub 2026 Jan 27. doi: 10.1116/5.0302856, 10.48550/arXiv.2508.10968
Martínez-Lahuerta VJ, Kirsten-Siemß JN, Hammerer K, Gaaloul N. Diffraction-phase-free Bragg atom interferometry. AVS Quantum Science. 2026 Mar;8(1):014404. doi: 10.1116/5.0307499
Vybornyi I, Chen S, Spieß LJ, Schmidt PO, Hammerer K. Line search by quantum logic spectroscopy enhanced with squeezing and statistical tests. Physical Review A. 2026 Apr 13;113:042613. doi: 10.1103/gths-s15w
Abdalla A, Abe M, Abend S, Abidi M, Aidelsburger M, Alibabaei A et al. Terrestrial Very-Long-Baseline Atom Interferometry: summary of the second workshop. EPJ Quantum Technology. 2025 Dec;12(1):42. doi: 10.1140/epjqt/s40507-025-00344-3
Chu A, Martínez-Lahuerta VJ, Miklos M, Kim K, Zoller P, Hammerer K et al. Exploring the Dynamical Interplay between Mass-Energy Equivalence, Interactions, and Entanglement in an Optical Lattice Clock. Physical review letters. 2025 Mar 3;134(9):093201. doi: 10.1103/PhysRevLett.134.093201, arXiv:2406.03804v2
Kielinski T, Hammerer K. Bayesian frequency metrology with optimal Ramsey interferometry in optical atomic clocks. Reports on progress in physics. 2025 Dec 10;88(12):124001. doi: 10.1088/1361-6633/ae213d
Kusmierek KJ, Schemmer M, Mahmoodian S, Hammerer K. Emergence of unidirectionality and phase separation in optically dense emitter ensembles. Physical Review Research. 2025 Dec 8;7(4):043267. doi: 10.1103/dzpg-9wv3
Werner M, Lezeik A, Schlippert D, Rasel E, Gaaloul N, Hammerer K. Atom interferometric sensing over large baselines. In Shahriar SM, editor, Quantum Sensing, Imaging, and Precision Metrology III. SPIE. 2025. 133920C. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.3054172
Werner M, Lezeik A, Schlippert D, Rasel EM, Gaaloul N, Hammerer K. Local measurement scheme of gravitational curvature using atom interferometers. Communications Physics. 2025 Nov 14;8(1):463. doi: 10.1038/s42005-025-02396-4, 10.48550/arXiv.2409.03515
Abend S, Allard B, Alonso I, Antoniadis J, Araujo H, Arduini G et al. Terrestrial very-long-baseline atom interferometry: Workshop summary. AVS Quantum Science. 2024 Jun;6(2):024701. Epub 2024 May 7. doi: 10.1116/5.0185291
Chen S, Spieß LJ, Wilzewski A, Wehrheim M, Dietze K, Vybornyi I et al. Identification of highly forbidden optical transitions in highly charged ions. Physical review applied. 2024 Nov 21;22(5):054059. doi: 10.48550/arXiv.2406.04015, 10.1103/PhysRevApplied.22.054059
Direkci S, Winkler K, Gut C, Hammerer K, Aspelmeyer M, Chen Y. Macroscopic quantum entanglement between an optomechanical cavity and a continuous field in presence of non-Markovian noise. Physical Review Research. 2024 Feb 16;6(1):013175. doi: 10.48550/arXiv.2309.12532, 10.1103/PhysRevResearch.6.013175
Fitzek F, Kirsten-Siemß JN, Rasel EM, Gaaloul N, Hammerer K. Accurate and efficient Bloch-oscillation-enhanced atom interferometry. Physical Review Research. 2024 Aug 5;6(3):L032028. doi: 10.48550/arXiv.2306.09399, 10.1103/physrevresearch.6.l032028
Hammerer K, Gaaloul N. Matter waves hang in there. Nature physics. 2024 Aug;20(8):1221-1222. Epub 2024 Aug 8. doi: 10.1038/s41567-024-02605-x
Kielinski T, Schmidt PO, Hammerer K. GHZ protocols enhance frequency metrology despite spontaneous decay. Science advances. 2024 Oct;10(43):eadr1439. Epub 2024 Oct 23. doi: 10.48550/arXiv.2406.11639, 10.1126/sciadv.adr1439
Lammers J, Hammerer K. Quantum retrodiction in Gaussian systems and applications in optomechanics. Quantum Science and Technology. 2024 Jan 25;2:1294905. doi: 10.3389/frqst.2023.1294905
Li R, Martínez-Lahuerta VJ, Seckmeyer S, Hammerer K, Gaaloul N. Robust double Bragg diffraction via detuning control. Physical Review Research. 2024 Dec 4;6(4):043236. doi: 10.1103/PhysRevResearch.6.043236
Martínez-Lahuerta VJ, Pelzer L, Dietze K, Krinner L, Schmidt PO, Hammerer K. Quadrupole transitions and quantum gates protected by continuous dynamic decoupling. Quantum Science and Technology. 2024 Jan;9(1):015013. Epub 2023 Nov 10. doi: 10.48550/arXiv.2301.07974, 10.1088/2058-9565/ad085b
Dietze K, Pelzer L, Krinner L, Dawel F, Kramer J, Spethmann NCH et al. Entanglement-enhanced optical ion clock. Physical review letters. 2026 Feb 17;136(7):073601. doi: 10.1103/dyqm-k8p6
Johny N, Junker J, Schulte B, Wilken D, Hammerer K, Heurs M. Realization of an All-Optical Effective Negative-Mass Oscillator for Coherent Quantum Noise Cancellation. PRX Quantum. 2026 May 22;7(2):020335. doi: 10.1103/wdyd-bvkr
Li R, Martínez-Lahuerta VJ, Gaaloul N, Hammerer K. High-contrast double Bragg interferometry via detuning control. AVS Quantum Science. 2026 Mar;8(1):014402. Epub 2026 Jan 27. doi: 10.1116/5.0302856, 10.48550/arXiv.2508.10968
Martínez-Lahuerta VJ, Kirsten-Siemß JN, Hammerer K, Gaaloul N. Diffraction-phase-free Bragg atom interferometry. AVS Quantum Science. 2026 Mar;8(1):014404. doi: 10.1116/5.0307499
Vybornyi I, Chen S, Spieß LJ, Schmidt PO, Hammerer K. Line search by quantum logic spectroscopy enhanced with squeezing and statistical tests. Physical Review A. 2026 Apr 13;113:042613. doi: 10.1103/gths-s15w
Abdalla A, Abe M, Abend S, Abidi M, Aidelsburger M, Alibabaei A et al. Terrestrial Very-Long-Baseline Atom Interferometry: summary of the second workshop. EPJ Quantum Technology. 2025 Dec;12(1):42. doi: 10.1140/epjqt/s40507-025-00344-3
Chu A, Martínez-Lahuerta VJ, Miklos M, Kim K, Zoller P, Hammerer K et al. Exploring the Dynamical Interplay between Mass-Energy Equivalence, Interactions, and Entanglement in an Optical Lattice Clock. Physical review letters. 2025 Mar 3;134(9):093201. doi: 10.1103/PhysRevLett.134.093201, arXiv:2406.03804v2
Kielinski T, Hammerer K. Bayesian frequency metrology with optimal Ramsey interferometry in optical atomic clocks. Reports on progress in physics. 2025 Dec 10;88(12):124001. doi: 10.1088/1361-6633/ae213d
Kusmierek KJ, Schemmer M, Mahmoodian S, Hammerer K. Emergence of unidirectionality and phase separation in optically dense emitter ensembles. Physical Review Research. 2025 Dec 8;7(4):043267. doi: 10.1103/dzpg-9wv3
Werner M, Lezeik A, Schlippert D, Rasel E, Gaaloul N, Hammerer K. Atom interferometric sensing over large baselines. In Shahriar SM, editor, Quantum Sensing, Imaging, and Precision Metrology III. SPIE. 2025. 133920C. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.3054172
Werner M, Lezeik A, Schlippert D, Rasel EM, Gaaloul N, Hammerer K. Local measurement scheme of gravitational curvature using atom interferometers. Communications Physics. 2025 Nov 14;8(1):463. doi: 10.1038/s42005-025-02396-4, 10.48550/arXiv.2409.03515
Abend S, Allard B, Alonso I, Antoniadis J, Araujo H, Arduini G et al. Terrestrial very-long-baseline atom interferometry: Workshop summary. AVS Quantum Science. 2024 Jun;6(2):024701. Epub 2024 May 7. doi: 10.1116/5.0185291
Chen S, Spieß LJ, Wilzewski A, Wehrheim M, Dietze K, Vybornyi I et al. Identification of highly forbidden optical transitions in highly charged ions. Physical review applied. 2024 Nov 21;22(5):054059. doi: 10.48550/arXiv.2406.04015, 10.1103/PhysRevApplied.22.054059
Direkci S, Winkler K, Gut C, Hammerer K, Aspelmeyer M, Chen Y. Macroscopic quantum entanglement between an optomechanical cavity and a continuous field in presence of non-Markovian noise. Physical Review Research. 2024 Feb 16;6(1):013175. doi: 10.48550/arXiv.2309.12532, 10.1103/PhysRevResearch.6.013175
Fitzek F, Kirsten-Siemß JN, Rasel EM, Gaaloul N, Hammerer K. Accurate and efficient Bloch-oscillation-enhanced atom interferometry. Physical Review Research. 2024 Aug 5;6(3):L032028. doi: 10.48550/arXiv.2306.09399, 10.1103/physrevresearch.6.l032028
Hammerer K, Gaaloul N. Matter waves hang in there. Nature physics. 2024 Aug;20(8):1221-1222. Epub 2024 Aug 8. doi: 10.1038/s41567-024-02605-x
Kielinski T, Schmidt PO, Hammerer K. GHZ protocols enhance frequency metrology despite spontaneous decay. Science advances. 2024 Oct;10(43):eadr1439. Epub 2024 Oct 23. doi: 10.48550/arXiv.2406.11639, 10.1126/sciadv.adr1439
Lammers J, Hammerer K. Quantum retrodiction in Gaussian systems and applications in optomechanics. Quantum Science and Technology. 2024 Jan 25;2:1294905. doi: 10.3389/frqst.2023.1294905
Li R, Martínez-Lahuerta VJ, Seckmeyer S, Hammerer K, Gaaloul N. Robust double Bragg diffraction via detuning control. Physical Review Research. 2024 Dec 4;6(4):043236. doi: 10.1103/PhysRevResearch.6.043236
Martínez-Lahuerta VJ, Pelzer L, Dietze K, Krinner L, Schmidt PO, Hammerer K. Quadrupole transitions and quantum gates protected by continuous dynamic decoupling. Quantum Science and Technology. 2024 Jan;9(1):015013. Epub 2023 Nov 10. doi: 10.48550/arXiv.2301.07974, 10.1088/2058-9565/ad085b
