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Hinney J, Prasad AS, Mahmoodian S, Hammerer K, Rauschenbeutel A, Schneeweiss P et al. Unraveling Two-Photon Entanglement via the Squeezing Spectrum of Light Traveling through Nanofiber-Coupled Atoms. Physical Review Letters. 2021 Sep 14;127(12):123602. doi: 10.1103/PhysRevLett.127.123602
Kaubruegger R, Vasilyev DV, Schulte M, Hammerer K, Zoller P. Quantum Variational Optimization of Ramsey Interferometry and Atomic Clocks. Physical Review X. 2021 Dez 6;11(4):041045. doi: 10.1103/PhysRevX.11.041045
Pelzer L, Dietze K, Kramer J, Dawel F, Krinner L, Spethmann N et al. Tailored optical clock transition in 40Ca+. Measurement: Sensors. 2021 Dez;18:100326. Epub 2021 Sep 30. doi: 10.1016/j.measen.2021.100326
Canuel B, Abend S, Amaro-Seoane P, Badaracco F, Beaufils Q, Bertoldi A et al. ELGAR: a European Laboratory for Gravitation and Atom-interferometric Research. Classical and Quantum Gravity. 2020 Okt 28;37(22):225017. doi: 10.48550/arXiv.1911.03701, 10.1088/1361-6382/aba80e
Fitzek F, Siemß JN, Seckmeyer S, Ahlers H, Rasel EM, Hammerer K et al. Universal atom interferometer simulation of elastic scattering processes. Scientific Reports. 2020 Dez 17;10(1):22120. doi: 10.1038/s41598-020-78859-1, 10.15488/10752
Fitzek F, Siemß J-N, Seckmeyer S, Ahlers H, Rasel EM, Hammerer K et al. Universal atom interferometer simulator: Elastic scattering processes. 2020 Feb 12. Epub 2020 Feb 12.
Gut C, Winkler K, Hoelscher-Obermaier J, Hofer SG, Nia RM, Walk N et al. Stationary optomechanical entanglement between a mechanical oscillator and its measurement apparatus. Phys. Rev. Research. 2020 Aug 12;2(3):033244. doi: 10.1103/physrevresearch.2.033244
Hensel T, Loriani S, Schubert C, Fitzek F, Abend S, Ahlers H et al. Precision inertial sensing with quantum gases. 2020 Sep 8. Epub 2020 Sep 8.
Karg TM, Gouraud B, Ngai CT, Schmid G-L, Hammerer K, Treutlein P. Light-mediated strong coupling between a mechanical oscillator and atomic spins 1 meter apart. Science. 2020 Jul 10;369(6500):174-179. doi: 10.1126/science.abb0328
Mahmoodian S, Calajó G, Chang DE, Hammerer K, Sørensen AS. Dynamics of many-body photon bound states in chiral waveguide QED. Physical Review X. 2020 Jul 14;10(3):031011. doi: 10.1103/PhysRevX.10.031011
Nitzschke D, Schulte M, Niemann M, Cornejo JM, Ulmer S, Lehnert R et al. Elementary laser‐less quantum logic operations with (anti‐)protons in penning traps. Advanced Quantum Technologies. 2020 Jun 16;3(11):1900133. doi: 10.1002/qute.201900133
Prasad AS, Hinney J, Mahmoodian S, Hammerer K, Rind S, Schneeweiss P et al. Correlating photons using the collective nonlinear response of atoms weakly coupled to an optical mode. Nature Photonics. 2020 Dez;14(12):719–722 . Epub 2020 Sep 21. doi: 10.1038/s41566-020-0692-z
Schulte M, Lisdat C, Schmidt PO, Sterr U, Hammerer K. Prospects and challenges for squeezing-enhanced optical atomic clocks. Nature Communications. 2020 Nov 24;11(1):5955. doi: 10.1038/s41467-020-19403-7
Schulte M, Martínez-Lahuerta VJ, Scharnagl MS, Hammerer K. Ramsey interferometry with generalized one-axis twisting echoes. Quantum. 2020 Mai 15;4:268-286. doi: 10.48550/arXiv.1911.11801, 10.22331/q-2020-05-15-268, 10.15488/9960
Schulte M, Lisdat C, Schmidt PO, Sterr U, Hammerer K. Spin squeezing can only improve clocks with small atom number. Nature Communications. 2020 Nov 24;11:5955. doi: 10.48550/arXiv.1911.00882, 10.1038/s41467-020-19403-7
Siemß J-N, Fitzek F, Abend S, Rasel EM, Gaaloul N, Hammerer K. Analytic theory for Bragg atom interferometry based on the adiabatic theorem. Physical Review A. 2020 Sep 10;102(3):033709. doi: 10.1103/PhysRevA.102.033709
ELGAR. Technologies for the ELGAR large scale atom interferometer array. 2020 Jul 8. Epub 2020 Jul 8.
Hahn H, Zarantonello G, Schulte M, Bautista-Salvador A, Hammerer K, Ospelkaus C. Integrated 9Be+ multi-qubit gate device for the ion-trap quantum computer. npj Quantum information. 2019 Aug 16;5(1):70. Epub 2019 Aug 16. doi: 10.1038/s41534-019-0184-5, 10.15488/9283
Karg TM, Gouraud B, Treutlein P, Hammerer K. Remote Hamiltonian interactions mediated by light. Physical Review A. 2019 Jun;99(6):063829. Epub 2019 Jun 20. doi: 10.48550/arXiv.1901.06891, 10.1103/PhysRevA.99.063829
Wolf F, Shi C, Heip JC, Gessner M, Pezzè L, Smerzi A et al. Motional Fock states for quantum-enhanced amplitude and phase measurements with trapped ions. Nature Communications. 2019 Jul 2;10(1):2929. Epub 2019 Jul 2. doi: 10.48550/arXiv.1807.01875, 10.1038/s41467-019-10576-4
