Publications

Peer-Reviewed:

E Schlake, R Barzel, D Rätzel, C Lämmerzahl, “Pulse shape optimization against Doppler shifts and delays in optical quantum communication”, EPJ Quantum Technol. 12, 24 (2025), Preprint: arxiv.org/abs/2410.00852 

Miscellaneous:

D Braun, R Cai, P Hermes, MM Marchese, S Nimmrichter, C Pfeifer, D Rätzel, S Redaelli, H Ulbricht, "ESPP Contribution - Gravitational Field of Proton Bunches" https://indico.cern.ch/event/1439855/contributions/6461645/; arXiv version "The path towards measuring the gravitational field of proton bunches at accelerators" arxiv.org/abs/2504.10942

Preprints:

S Nimmrichter, D Rätzel, IC Bicket, MS Seifner, P Haslinger, "Electron-Enabled Nanoparticle Diffraction", Preprint: arxiv.org/abs/2502.13821 

D Braun, MM Marchese, S Nimmrichter, S Qvarfort, D Rätzel, H Ulbricht, "Metrology of Gravitational Effects with Mechanical Quantum Systems", Preprint: arxiv.org/abs/2501.18274 

P Rembold, S Beltrán-Romero, A Preimesberger, S Bogdanov, IC Bicket, N Friis, E Agudelo, D Rätzel, P Haslinger, "State-Agnostic Approach to Certifying Electron-Photon Entanglement in Electron Microscopy", Preprint: arxiv.org/abs/2502.19536  

Peer-Reviewed:

֎ R Barzel, M Gündoğan, M Krutzik, D Rätzel, C Lämmerzahl, “Gravitationally induced entanglement dynamics of photon pairs and quantum memories”, Quantum 8, 1273 (2024), Preprint: arxiv.org/abs/2209.02099  

֎ P Haslinger, S Nimmrichter, D Rätzel, “Spin Resonance Spectroscopy with an Electron Microscope”, Quantum Sci. Technol. 9 035051 (2024), Preprint:  arxiv.org/abs/2401.06496 

A Belenchia, F Spengler, D Rätzel, D Braun, “Non-linear media in weakly curved spacetime: optical solitons and probe pulses for gravimetry”, New J. Phys. 26 083010 (2024), Preprint: arxiv.org/abs/2402.09930  

Preprints:

M Cepok, D Rätzel, C Lämmerzahl, “Quantum Imaging of Gravity”, Preprint: arxiv.org/abs/2409.03477 

C Pfeifer, D Rätzel, D Braun, “Gravitational attraction of ultra-relativistic matter: A new testbed for modified gravity at the Large Hadron Collider”, Preprint: arxiv.org/abs/2406.12314

Peer-Reviewed:

֎ Plato A.D.K., Rätzel D., Wan C., “Enhanced Gravitational Entanglement in Modulated Optomechanics”, Quantum 7, 1177 (2023), doi.org/10.22331/q-2023-11-08-1177; Preprint: arxiv.org/abs/2209.12656

Bravo T., Rätzel D., Fuentes I., "Gravitational time dilation in extended quantum systems: the case of light clocks in Schwarzschild spacetime" AVS Quantum Science 5 (1) (2023), 014401, doi.org/10.1116/5.0123228; Preprint: arxiv.org/abs/2204.07869   

Spengler F., Belenchia A., Rätzel D., Braun D., “Optical solitons in curved spacetime”, Class. Quantum Grav. 40 145008 (2023), doi.org/10.1088/1361-6382/acdd43, Preprint: arxiv.org/abs/2301.04986

Miscellaneous:

Herrmann, S., Rätzel, D. (2023). Quantum Tests of Gravity. In: Pfeifer, C., Lämmerzahl, C. (eds) Modified and Quantum Gravity. Lecture Notes in Physics, vol 1017. Springer, Cham. doi.org/10.1007/978-3-031-31520-6_14  

Peer-Reviewed:

Maiwöger M., Sonnleitner M., Zhang T., Mazets I., Mallweger M., Rätzel D., Borselli F., Erne S., Schmiedmayer J., Haslinger P., “Observation of Light-Induced Dipole-Dipole Forces in Ultracold Atomic Gases”, Physical Review X 12 (3) (2022), 031018, doi.org/10.1103/PhysRevX.12.031018; Preprint: arxiv.org/abs/2202.00562  

Maaß B., Hartley D., Busch K., Rätzel D., “Modulated light potentials for state manipulation of quasiparticles in ultra-cold Bose gases”, New Journal of Physics 24.4 (2022): 043014, https://doi.org/10.1088/1367-2630/ac5e17; Preprint: arxiv.org/abs/2111.10163

Spengler F., Belenchia A., Rätzel D., Braun D., “Influence of cosmological expansion in local experiments”,  Classical and Quantum Gravity 39.5 (2022): 055005, https://doi.org/10.1088/1361-6382/ac4954; Preprint: arxiv.org/abs/2109.03280

Spengler F., Rätzel D., Braun D., “Perspectives of measuring gravitational effects of laser light and particle beams”, New Journal of Physics 24.5 (2022): 053021, https://doi.org/10.1088/1367-2630/ac5372; Preprint: arxiv.org/abs/2104.09209

Qvarfort S., Rätzel D., Stopyra S.,“Constraining modified gravity with quantum optomechanics”, New Journal of Physics 24.3 (2022): 033009, doi.org/10.1088/1367-2630/ac3e1b; Preprint: arxiv.org/abs/2108.00742

Proceedings:

Rätzel D., Schneiter F., Braun D., Bravo T., Howl R., Lock M.P.E., Fuentes I. "Frequency spectrum of an optical resonator in a curved spacetime" Proceedings of The Fifteenth Marcel Grossmann Meeting, pp. 2068-2074 (2022) https://doi.org/10.1142/9789811258251_0284  

Schneiter F., Rätzel D., Braun D. "The gravitational field of a laser beam" Proceedings of The Fifteenth Marcel Grossmann Meeting, pp. 2068-2074 (2022) https://doi.org/10.1142/9789811258251_0310

Peer-Reviewed:

Rätzel D., Schützhold R., “Decay of quantum sensitivity due to three-body loss in Bose-Einstein condensates”, Physical Review A 103, 063321 (2021), doi.org/10.1103/PhysRevA.103.063321; Preprint arxiv.org/abs/2101.05312

֎ Rätzel D., Hartley D., Schwartz O., Haslinger P., "Controlling Quantum Systems with Modulated Electron Beams",  Physical Review Research 3, 023247 (2021), doi.org/10.1103/PhysRevResearch.3.023247;  Preprint arxiv.org/abs/2004.10168

֎ Qvarfort S., Plato A.D.K., Bruschi D.E., Schneiter F., Braun D., Serafini A., Rätzel D., “Optimal estimation of time-dependent gravitational fields with quantum optomechanical systems”, Physical Review Research 3.1 (2021): 013159, doi.org/10.1103/PhysRevResearch.3.013159; Preprint arxiv.org/abs/2008.06507

Peer-Reviewed:

Schneiter F., Qvarfort S., Serafini A., Xuereb A., Braun D., Rätzel D., Bruschi D.E., “Optimal estimation with quantum optomechanical systems in the nonlinear regime”, Journal of Physics A: Mathematical and Theoretical 53 (7), 075304 (2020), doi.org/10.1103/PhysRevA.101.033834; Preprint arxiv.org/abs/1910.04485

Qvarfort S., Serafini A., Xuereb A., Braun D., Rätzel D., Bruschi D.E., “Time-evolution of nonlinear optomechanical systems: Interplay of mechanical squeezing and non-Gaussianity”, Physical Review A 101 (3), 033834 (2020), doi.org/10.1088/1751-8121/ab64d5; Preprint arxiv.org/abs/1908.00790

Preprints:

Bravo T., Rätzel D., Fuentes I., "Phononic gravity gradiometry with Bose-Einstein condensates", Preprint: arxiv.org/abs/2001.10104

Peer-Reviewed:

Schneiter F., Rätzel D., Braun D., "Rotation of polarization in the gravitational field of a laser beam—Faraday effect and optical activity", Classical and Quantum Gravity 36 (20), 205007 (2019), doi.org/10.1088/1361-6382/ab3523; Preprint arxiv.org/abs/1812.04505

Qvarfort S., Serafini A., Xuereb A., Rätzel D., Bruschi D.E., „Enhanced continuous generation of non-Gaussianity through optomechanical modulation”, New Journal of Physics 21 (5), 055004 (2019), doi.org/10.1088/1367-2630/ab1b9e; Preprint arxiv.org/abs/1812.08874

Rätzel D., Ivette F. "Testing small scale gravitational wave detectors with dynamical mass distributions." Journal of Physics Communications 3.2 (2019): 025009, doi.org/10.1088/2399-6528/aaff1f; Preprint arxiv.org/abs/1709.08099

Peer-Reviewed:

֎ Schneiter F., Rätzel D., Braun D., "The gravitational field of a laser beam beyond the short wavelength approximation", Class. Quantum Grav. 35 195007 (2018) doi.org/10.1088/1361-6382/aadc81; Preprint arxiv.org/abs/1804.08706

֎ Rätzel D., Howl R., Lindkvist J., Fuentes I. "Dynamical response of Bose-Einstein condensates to oscillating gravitational fields" New J. Phys. 20 073044 (2018) doi.org/10.1088/1367-2630/aad272; Preprint arxiv.org/abs/1804.11122

Hartley D., Bravo T., Rätzel D., Howl R., Fuentes I. “Analogue simulation of gravitational waves in a 3+1 dimensional Bose-Einstein condensate" Physical Review D 98 (2018), 025011 doi.org/10.1103/PhysRevD.98.025011; Preprint arxiv.org/abs/1712.01140

֎ Rätzel D., Schneiter F., Braun D., Bravo T., Howl R., Lock M.P.E., Fuentes I. "Frequency spectrum of an optical resonator in a curved spacetime" New J. Phys. 20 053046 (2018) doi.org/10.1088/1367-2630/aac0ac, Preprint arxiv.org/abs/1711.11320

Preprints:

Höhn P.A., Müller M.P., Pfeifer C., Rätzel D. "A local quantum Mach principle and the metricity of spacetime" Preprint: arxiv.org/abs/1811.02555

Peer-Reviewed:

Rätzel D., Wilkens M., Menzel R. "Gravitational properties of light: The emission of counter-propagating laser pulses from an atom" Physical Review D 95 (2017), 8 084008 doi.org/10.1103/PhysRevD.95.084008; Preprint arxiv.org/abs/1607.01310

֎ Rätzel D., Wilkens M., Menzel R. "Effect of polarization entanglement in photon-photon scattering" Physical Review A 95 (2017), 1 012101 doi.org/10.1103/PhysRevA.95.012101; Preprint arxiv.org/abs/1605.00582

Proceedings:

Rätzel D., Wilkens M., Menzel R. "Gravitational Properties of Light" Proceedings of the 52nd Recontres de Moriond, 2017 Gravitation Published by ARISF: ISBN 979-10-96879-05-2

Peer-Reviewed:

Rätzel D., Wilkens M., Menzel R. "The effect of entanglement in gravitational photon-photon scattering" EPL 115 (2016) 51002 doi.org/10.1209/0295-5075/115/51002; Preprint arxiv.org/abs/1511.01237

֎ Rätzel D., Wilkens M., Menzel R. "Gravitational properties of light - The gravitational field of a laser pulse" New J. Phys. 18 2 023009 (2016) doi.org/10.1088/1367-2630/18/2/023009; Preprint arxiv.org/abs/1511.01023; Reviewed as Research Highlight in Nature Photonics 10, 285 (2016) doi.org/10.1038/nphoton.2016.84

Peer-Reviewed:

Banisch R., Hellmann F., Rätzel D. "The Unruh-DeWitt detector and the vacuum in the general boundary formalism" Class. Quantum Grav. 30 235026 (2013) doi.org/10.1088/0264-9381/30/23/235026; Preprint arxiv.org/abs/1205.1549

Colosi D., Rätzel D. "Quantum field theory on timelike hypersurfaces in Rindler space" Physical Review D 87, 125001 (2013) doi.org/10.1103/PhysRevD.87.125001; Preprint arxiv.org/abs/1303.5873

Colosi D., Rätzel D. "The Unruh Effect in General Boundary Quantum Field Theory" SIGMA 9 (2013), 019 doi.org/10.3842/SIGMA.2013.019; Preprint: arxiv.org/abs/1204.6268

PhD Thesis:

"Tensorial spacetime geometries and background-independent quantum field theory" (2013), University of Potsdam Publication, urn:nbn:de:kobv:517-opus-65731 https://publishup.uni-potsdam.de/frontdoor/index/index/docId/6410 

Peer-Reviewed:

֎ Rätzel D., Rivera S., Schuller F. P. "Geometry of physical dispersion relations" Physical Review D 83, 044047 (2011) doi.org/10.1103/PhysRevD.83.044047; Preprint: arXiv.org/abs/1010.1369v2

Diploma Thesis:

"Photon pair generation by transiently accelerated electrons and the Unruh effect" www.quantum.physik.uni-potsdam.de/research/nano/dennis-diploma.pdf 

Peer-Reviewed:

Feldmeier A., Rätzel D., Owocki S.P. "The Propagation of Kinks in Line-driven Winds" ApJ 679 (2008) 704-711; doi.org/10.1086/587616

Proceedings:

Votruba V., Feldmeier A., Kubat J., Rätzel D. "Multicomponent stellar wind of hot stars" in "Clumping in hot-star winds" Proceedings of an international workshop, Potsdam, Germany, 18.-22. Juni 2007 Potsdam: Univ.-Verl., ISBN 978-3-940793-33-1. (2008) p.252

Feldmeier A., Hamann W.-R., Rätzel D., Oskinova L.M. "Hydrodynamic simulation of clumps" in "Clumping in hot-star winds"Proceedings of an international workshop, Potsdam, Germany, 18.-22. Juni 2007 Potsdam: Univ.-Verl., ISBN 978-3-940793-33-1. (2008) p.115

Peer-Reviewed:

Votruba V., Feldmeier A., Kubat J., Rätzel D. "A hydrodynamic scheme for two-component winds from hot stars" A&A 474 (2007) 549-555; doi.org/10.1051/0004-6361:20066376