Leibniz Universität Hannover Faculty Faculty of Mathematics and Physics
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Institute of Theoretical Physics
 
Institute of Theoretical Physics Research Groups Klemens Hammerer
Publications

Recent Pulications from Klemens Hammerer's Research Group

First 1 2 3 4 5 6 7 8 Last
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 Oct 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 Dec 17;10(1):22120. doi: 10.1038/s41598-020-78859-1, 10.15488/10752
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
Karg TM, Gouraud B, Ngai CT, Schmid GL, 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 Dec;14(12):719–722 . Epub 2020 Sept 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 May 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 JN, 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 Sept 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. doi: 10.48550/arXiv.2007.04014
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. 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. doi: 10.1038/s41467-019-10576-4, 10.48550/arXiv.1807.01875
Zarantonello G, Hahn H, Schulte M, Bautista-Salvador A, Werner RF, Hammerer K et al. Robust and Resource-Efficient Microwave Near-Field Entangling ^{9}Be^{+} Gate. Physical review letters. 2019 Dec 31;123(26):260503. Epub 2019 Dec 26. doi: 10.48550/arXiv.1911.03954, 10.1103/PhysRevLett.123.260503
Černotík O, Mahmoodian S, Hammerer K. Spatially Adiabatic Frequency Conversion in Optoelectromechanical Arrays. Physical Review Letters. 2018 Sept 14;121(11):110506. doi: 10.48550/arXiv.1707.03339, 10.1103/PhysRevLett.121.110506
Huang X, Zeuthen E, Vasilyev DV, He Q, Hammerer K, Polzik ES. Unconditional Steady-State Entanglement in Macroscopic Hybrid Systems by Coherent Noise Cancellation. Physical Review Letters. 2018 Sept 5;121(10):103602. doi: 10.48550/arXiv.1801.02569, 10.1103/PhysRevLett.121.103602
Mahmoodian S, Čepulkovskis M, Das S, Lodahl P, Hammerer K, Sørensen AS. Strongly Correlated Photon Transport in Waveguide Quantum Electrodynamics with Weakly Coupled Emitters. Physical Review Letters. 2018 Oct 5;121(14):143601. Epub 2018 Oct 3. doi: 10.1103/PhysRevLett.121.143601
Schulte M, Lörch N, Schmidt PO, Hammerer KJ. Photon-recoil spectroscopy: Systematic shifts and nonclassical enhancements. Physical Review A. 2018 Dec;98(6):063808. Epub 2018 Dec 5. doi: 10.48550/arXiv.1807.08309, 10.1103/PhysRevA.98.063808
First 1 2 3 4 5 6 7 8 Last
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 Oct 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 Dec 17;10(1):22120. doi: 10.1038/s41598-020-78859-1, 10.15488/10752
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
Karg TM, Gouraud B, Ngai CT, Schmid GL, 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 Dec;14(12):719–722 . Epub 2020 Sept 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 May 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 JN, 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 Sept 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. doi: 10.48550/arXiv.2007.04014
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. 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. doi: 10.1038/s41467-019-10576-4, 10.48550/arXiv.1807.01875
Zarantonello G, Hahn H, Schulte M, Bautista-Salvador A, Werner RF, Hammerer K et al. Robust and Resource-Efficient Microwave Near-Field Entangling ^{9}Be^{+} Gate. Physical review letters. 2019 Dec 31;123(26):260503. Epub 2019 Dec 26. doi: 10.48550/arXiv.1911.03954, 10.1103/PhysRevLett.123.260503
Černotík O, Mahmoodian S, Hammerer K. Spatially Adiabatic Frequency Conversion in Optoelectromechanical Arrays. Physical Review Letters. 2018 Sept 14;121(11):110506. doi: 10.48550/arXiv.1707.03339, 10.1103/PhysRevLett.121.110506
Huang X, Zeuthen E, Vasilyev DV, He Q, Hammerer K, Polzik ES. Unconditional Steady-State Entanglement in Macroscopic Hybrid Systems by Coherent Noise Cancellation. Physical Review Letters. 2018 Sept 5;121(10):103602. doi: 10.48550/arXiv.1801.02569, 10.1103/PhysRevLett.121.103602
Mahmoodian S, Čepulkovskis M, Das S, Lodahl P, Hammerer K, Sørensen AS. Strongly Correlated Photon Transport in Waveguide Quantum Electrodynamics with Weakly Coupled Emitters. Physical Review Letters. 2018 Oct 5;121(14):143601. Epub 2018 Oct 3. doi: 10.1103/PhysRevLett.121.143601
Schulte M, Lörch N, Schmidt PO, Hammerer KJ. Photon-recoil spectroscopy: Systematic shifts and nonclassical enhancements. Physical Review A. 2018 Dec;98(6):063808. Epub 2018 Dec 5. doi: 10.48550/arXiv.1807.08309, 10.1103/PhysRevA.98.063808

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