Publications

Notable publications

Below we list all publications and preprints of group members since 2020.

2025

Journal Articles

  1. A. Chu, V. Martínez-Lahuerta, M. Miklos, K. Kim, P. Zoller, K. Hammerer, J. Ye, A. Rey, Exploring the Dynamical Interplay between Mass-Energy Equivalence, Interactions, and Entanglement in an Optical Lattice Clock, Phys. Rev. Lett. 134, 093201 [arXiv:2406.03804]

Preprints

  1. N. Johny, J. Junker, B. Schulte, D. Wilken, K. Hammerer, M. Heurs, Realization of an all-optical effective negative-mass oscillator for coherent quantum noise cancellation, [arXiv: 2511.08056]
  2. C. Fromonteil, D. Vasilyev, T. Zache, K. Hammerer, A. Rey, J. Ye, H. Pichler, P. Zoller, Non-local mass superpositions and optical clock interferometry in atomic ensemble quantum networks, [arXiv:2509.19501]
  3. R. Li, V. Martínez-Lahuerta, N. Gaaloul, K. Hammerer, High-contrast double Bragg interferometry via detuning control, [arXiv:2508.10968]
  4. K. Dietze, L. Pelzer, L. Krinner, F. Dawel, J. Kramer, N. Spethmann, T. Kielinski, K. Hammerer, K. Stahl, J. Klose, S. Dörscher, C. Lisdat, E. Benkler, P. Schmidt, Entanglement-enhanced optical ion clock, [arXiv:2506.11810]
  5. V. Martínez Lahuerta, J. Kirsten-Siemß, K. Hammerer, N. Gaaloul, Diffraction phase-free Bragg atom interferometry, [arXiv:2505.23921]
  6. I. Vybornyi, S. Chen, L. Spieß, P. Schmidt, K. Hammerer, Line search by quantum logic spectroscopy enhanced with squeezing and statistical tests, [arXiv:2505.20104]
  7. T. Kielinski, K. Hammerer, Bayesian Frequency Metrology with Optimal Ramsey Interferometry in Optical Atomic Clocks, [arXiv:2505.04287]

2024

Journal Articles

  1. H. Zoubi, K. Hammerer, Slow light through Brillouin scattering in continuum quantum optomechanics,  Front. Quantum Sci. Technol. 3, 1437933 (2024) [arXiv:2407.15698]
  2. R. Li, V. Martínez-Lahuerta, S. Seckmeyer, K. Hammerer, N. Gaaloul, Robust double Bragg diffraction via detuning control, Phys. Rev. Research 6, 043236 (2024) [arXiv:2407.04754]
  3. T. Kielinski, P. Schmidt, K. Hammerer, GHZ protocols enhance frequency metrology despite spontaneous decay, Science Advances, Vol. 10, No. 43 [arXiv:2406.11639]
  4. M. Werner, P. Schwartz, J. Kirsten-Siemß, N. Gaaloul, D. Giulini, K. Hammerer, Atom interferometers in weakly curved spacetimes using Bragg diffraction and Bloch oscillations, Phys. Rev. D 109, 022008 [arXiv:2310.03719]
  5. S. Direkci, K. Winkler, C. Gut, K. Hammerer, M. Aspelmeyer, Y. Chen, Macroscopic quantum entanglement between an optomechanical cavity and a continuous field in presence of non-Markovian noise, Phys. Rev. Research 6, 013175 [arXiv:2309.12532]
  6. J. Lammers, K. Hammerer, Quantum retrodiction in Gaussian systems and applications in optomechanics, Front. Quantum Sci. Technol. 2 1294905 [arXiv:2309.03507]
  7. V. Martínez-Lahuerta, L. Pelzer, K. Dietze, L. Krinner, P. Schmidt, K. Hammerer, Quadrupole transitions and quantum gates protected by continuous dynamic decoupling,Quantum Sci. Technol. 9 015013 [arXiv:2301.07974]

 

Preprints

  1. K. Kusmierek, M. Schemmer, S. Mahmoodian, K. Hammerer, Emergence of unidirectionality and phase separation in optically dense emitter ensembles, [arXiv:2412.14930]
  2. J. Günther, J. Kirsten-Siemß, N. Gaaloul, K. Hammerer, Squeezing Enhancement in Lossy Multi-Path Atom Interferometers, [arXiv:2409.04091]
  3. M. Werner, A. Lezeik, D. Schlippert, E. Rasel, N. Gaaloul, K. Hammerer, Local Measurement Scheme of Gravitational Curvature using Atom Interferometers, [arXiv:2409.03515]
  4. S. Chen, L. Spieß, A. Wilzewski, M. Wehrheim, K. Dietze, I. Vybornyi, K. Hammerer, J. Crespo López-Urrutia, P. Schmidt, Identification of highly-forbidden optical transitions in highly charged ions, [arXiv:2406.04015]

 

2023

Journal Articles

  1. M. Scharnagl, T. Kielinski, K. Hammerer, Optimal Ramsey interferometry with echo protocols based on one-axis twisting, Phys. Rev. A 108, 062611 [arXiv:2307.08510]
  2. I. Vybornyi, L. Dreissen, D. Kiesenhofer, H. Hainzer, M. Bock, T. Ollikainen, D. Vadlejch, C. Roos, T. Mehlstäubler, K. Hammerer, Sideband thermometry of ion crystals, PRX Quantum 4, 040346 [arXiv:2306.07880]
  3. J. Siemß, F. Fitzek, C. Schubert, E. Rasel, N. Gaaloul, K. Hammerer, Large-momentum-transfer atom interferometers with µ rad-accuracy using Bragg diffraction, Phys. Rev. Lett. 131, 033602, [arXiv:2208.06647]
  4. K. Kusmierek, S. Mahmoodian, M. Cordier, J. Hinney, A. Rauschenbeutel, M. Schemmer, P. Schneeweiss, J. Volz, K. Hammerer, Higher-order mean-field theory of chiral waveguide QED, SciPost Phys. Core 6, 041 [arXiv:2207.10439]

Preprints

  1. F. Fitzek, J. Kirsten-Siemß, E. Rasel, N. Gaaloul, K. Hammerer, Accurate and efficient Bloch-oscillation-enhanced atom interferometry, [arXiv:2306.09399]

2022

Journal Articles

  1. J. Schweer, D. Steinmeyer, K. Hammerer, M. Heurs, All-optical coherent quantum-noise cancellation in cascaded optomechanical systems, Phys. Rev. A 106, 033520 [arXiv:2208.01982]
  2. V. Martínez-Lahuerta, S. Eilers, T. Mehlstäubler, P. Schmidt, K. Hammerer, Ab initio quantum theory of mass defect and time dilation in trapped-ion optical clocks, Phys. Rev. A 106, 032803 [arXiv:2202.10854]
  3. M. Duwe, G. Zarantonello, N. Pulido-Mateo, H. Mendpara, L. Krinner, A. Bautista-Salvador, N. V. Vitanov, K. Hammerer, R. F. Werner, C. Ospelkaus, Numerical optimization of amplitude-modulated pulses in microwave-driven entanglement generation, Quantum Sci. Technol. 7 045005 [arXiv:2112.07714]

Preprints

  1. A. Roth, K. Hammerer, K. S. Tikhonov, Correlated steady states and Raman lasing in continuously pumped and probed atomic ensembles, [arXiv:2205.04698]

2021

Journal Articles

  1. J. M. Cornejo, R. Lehnert, M. Niemann, J. Mielke, T. Meiners, A. Bautista-Salvador, M. Schulte, D. Nitzschke, M. J. Borchert, K. Hammerer, S. Ulmer, C. Ospelkaus, Quantum logic inspired techniques for spacetime-symmetry tests with (anti-)protons, New J. Phys. 23 073045 [arXiv:2106.06252]
  2. R. Kaubruegger, D. V. Vasilyev, M. Schulte, K. Hammerer, P. Zoller, Quantum Variational Optimization of Ramsey Interferometry and Atomic Clocks, Phys. Rev. X 11, 041045 [arXiv:2102.05593]
  3. J. Hinney, A. Prasad, S. Mahmoodian, K. Hammerer, A. Rauschenbeutel, P. Schneeweiss, J. Volz, M. Schemmer, Unraveling Two-Photon Entanglement via the Squeezing Spectrum of Light Traveling through Nanofiber-Coupled Atoms, Phys. Rev. Lett. 127, 123602 [arXiv:2010.09450]
  4. T. Hensel, S. Loriani, C. Schubert, F. Fitzek, S. Abend, H. Ahlers, J. Siemß, K. Hammerer, E. M. Rasel, N. Gaaloul, Inertial sensing with quantum gases: a comparative performance study of condensed versus thermal sources for atom interferometry,  Eur. Phys. J. D 75, 108 [arXiv:2009.03635]

2020

Journal Articles

  1. T. M. Karg, B. Gouraud, C. T. Ngai, G.-L. Schmid, K. Hammerer, P. Treutlein, Light-mediated strong coupling between a mechanical oscillator and atomic spins 1 meter apart, Science 369, 6500 [arXiv:2004.14424]
  2. F. Fitzek, J.-N. Siemß, S. Seckmeyer, H. Ahlers, E. M. Rasel, K. Hammerer, N. Gaaloul, Universal atom interferometer simulation of elastic scattering processes, Sci Rep 10, 22120 [arXiv:2002.05148]
  3. J.-N. Siemß, F. Fitzek, S. Abend, E. M. Rasel, N. Gaaloul, K. Hammerer, Analytic theory for Bragg atom interferometry based on the adiabatic theorem, Phys. Rev. A 102, 033709 [arXiv:2002.04588]

Preprints

  1. B. Canuel, S. Abend, P. Amaro-Seoane, F. Badaracco, Q. Beaufils, A. Bertoldi, K. Bongs, P. Bouyer, C. Braxmaier, W. Chaibi, N. Christensen, F. Fitzek, G. Flouris, N. Gaaloul, S. Gaffet, C. L. Garrido Alzar, R. Geiger, S. Guellati-Khelifa, K. Hammerer, J. Harms, J. Hinderer, M. Holynski, J. Junca, S. Katsanevas, C. Klempt, C. Kozanitis, M. Krutzik, A. Landragin, I. Làzaro Roche, B. Leykauf, Y.-H. Lien, S. Loriani, S. Merlet, M. Merzougui, M. Nofrarias, P. Papadakos, F. Pereira dos Santos, A. Peters, D. Plexousakis, M. Prevedelli, E. M. Rasel, Y. Rogister, S. Rosat, A. Roura, D. O. Sabulsky, V. Schkolnik, D. Schlippert, C. Schubert, L. Sidorenkov, J.-N. Siemß, C. F. Sopuerta, F. Sorrentino, C. Struckmann, G. M. Tino, G. Tsagkatakis, A. Viceré, W. von Klitzing, L. Woerner, X. Zou, Technologies for the ELGAR large scale atom interferometer array, [arXiv:2007.04014]

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