High-precision atomic spectroscopy experiments and theory to probe new physics, dark matter and the variation of constants.
Activities
- Probing new physics through isotope shift spectroscopy using highly charged ions
- Working on test theories beyond SME
- Clock tests in gravitational fields
- Spectroscopic tests of dark matter and variation of constants
- Tests of fundamental decoherence
Scientific Output
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Publications
Kalincev D, Dreissen LS, Kulosa AP, Yeh CH, Fürst HA, Mehlstäubler TE. Motional heating of spatially extended ion crystals. Quantum Science and Technology. 2021 May 7;6(3):034003. doi: 10.1088/2058-9565/abee99King SA, Spieß LJ, Micke P, Wilzewski A, Leopold T, López-Urrutia JRC et al. Algorithmic Ground-State Cooling of Weakly Coupled Oscillators Using Quantum Logic. Physical Review X. 2021 Dec 10;11(4):041049 . doi: 10.48550/arXiv.2102.12427, 10.1103/PhysRevX.11.041049Mosel P, Sankar P, Düsing JF, Dittmar G, Püster T, Jäschke P et al. X-ray dose rate and spectral measurements during ultrafast laser machining using a calibrated (High-sensitivity) novel x-ray detector. MATERIALS. 2021 Aug 5;14(16):4397. doi: 10.3390/ma14164397Nicolas R, Shi L, Chanteau B, Franz D, Kholodstova M, Ripault Q et al. Plasmon-Amplified Third Harmonic Generation in Metal/Dielectric Resonators. Plasmonics. 2021 Dec;16(6):1883-1889. Epub 2021 Apr 29. doi: 10.1007/s11468-021-01444-3Rehbehn NH, Rosner MK, Bekker H, Berengut JC, Schmidt PO, King SA et al. Sensitivity to new physics of isotope-shift studies using the coronal lines of highly charged calcium ions. Physical Review A. 2021 Apr 21;103(4):L040801. doi: 10.1103/PhysRevA.103.L040801Shi L, Babushkin I, Husakou A, Melchert O, Frank B, Yi J et al. Femtosecond Field-Driven On-Chip Unidirectional Electronic Currents in Nonadiabatic Tunneling Regime. Laser & photonics reviews. 2021 Aug;15(8):2000475. Epub 2021 Jun 16. doi: 10.1002/lpor.202000475Stark J, Warnecke C, Bogen S, Chen S, Dijck EA, Kühn S et al. An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions. Review of scientific instruments. 2021 Aug 18;92(8):083203. doi: 10.1063/5.0046569Appi E, Papadopoulou CC, Mapa JL, Wesavkar N, Jusko C, Mosel P et al. A synchronized VUV light source based on high-order harmonic generation at FLASH. Scientific Reports. 2020 Apr 22;10(1):6867. doi: 10.1038/s41598-020-63019-2Franz D, Kaassamani S, Gauthier D, Nicolas R, Kholodtsova M, Douillard L et al. All semiconductor enhanced high-harmonic generation from a single nanostructured cone. Scientific Reports. 2020 Dec 1;9:5663. Epub 2019 Apr 5. doi: 10.48550/arXiv.1901.02279, 10.1038/s41598-019-41642-y, 10.1038/s41598-020-63113-5Fürst HA, Yeh CH, Kalincev D, Kulosa AP, Dreissen LS, Lange R et al. Coherent Excitation of the Highly Forbidden Electric Octupole Transition in 172Yb+. Physical review letters. 2020 Oct 16;125(16):163001. doi: 10.1103/PhysRevLett.125.163001Micke P, Leopold T, King SA, Benkler E, Spieß LJ, Schmöger L et al. Coherent laser spectroscopy of highly charged ions using quantum logic. NATURE. 2020 Feb 6;578:60-65. Epub 2020 Jan 29. doi: 10.48550/arXiv.2010.15984, 10.1038/s41586-020-1959-8Nordmann T, Didier A, Doležal M, Balling P, Burgermeister T, Mehlstäubler TE. Sub-kelvin temperature management in ion traps for optical clocks. Review of scientific instruments. 2020 Nov 24;91(11):111301. doi: 10.48550/arXiv.2008.04231, 10.1063/5.0024693, 10.1063/5.0160415Porsev SG, Safronova UI, Safronova MS, Schmidt PO, Bondarev AI, Kozlov MG et al. Optical clocks based on the Cf15+ and Cf17+ ions. Physical Review A. 2020 Jul 6;102(1):012802. doi: 10.48550/arXiv.2004.05978, 10.1103/PhysRevA.102.012802Shi L, Evlyukhin AB, Reinhardt C, Babushkin I, Zenin VA, Burger S et al. Progressive Self-Boosting Anapole-Enhanced Deep-Ultraviolet Third Harmonic during Few-Cycle Laser Radiation. ACS PHOTONICS. 2020 Jul 15;7(7):1655-1661. Epub 2020 Jun 16. doi: 10.1021/acsphotonics.0c00753Yerokhin VA, Müller RA, Surzhykov A, Micke P, Schmidt PO. Nonlinear isotope-shift effects in Be-like, B-like, and C-like argon. Physical Review A. 2020 Jan 6;101(1):012502. doi: 10.1103/PhysRevA.101.012502Jusko C, Sridhar A, Appi E, Shi L, Morgner U, Kovacev M. Filamentation-assisted plasma lifetime measurements in atomic and molecular gases via third-harmonic enhancement. Journal of the Optical Society of America B: Optical Physics. 2019 Dec;36(12):3505-3513. Epub 2019 Nov 21. doi: 10.1364/josab.36.003505Shi L, Cardoso de Andrade JR, Tajalli Seifi A, Geng J, Yi J, Heidenblut T et al. Generating Ultrabroadband Deep-UV Radiation and Sub-10 nm Gap by Hybrid-Morphology Gold Antennas. Nano Letters. 2019 Jun 17;19(7):4779-4786. doi: 10.1021/acs.nanolett.9b02100Shi L, Andrade JRC, Yi J, Marinskas M, Reinhardt C, Almeida E et al. Nanoscale Broadband Deep-Ultraviolet Light Source from Plasmonic Nanoholes. ACS Photonics. 2019 Apr 17;6(4):858-863. Epub 2019 Mar 7. doi: 10.1021/acsphotonics.9b00127von der Wense LC, Seiferle B, Schneider C, Jeet J, Amersdorffer I, Arlt N et al. The concept of laser-based conversion electron Mössbauer spectroscopy for a precise energy determination of 229m Th. Hyperfine Interactions. 2019 Mar 13;240(1):23. doi: 10.1007/s10751-019-1564-0, 10.48550/arXiv.1904.01245
TG Members
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Involved Members and their Relevant Expertise
Members Institution Relevant Expertise Elina Fuchs, Leader LUH High Energy Physics with Cold Atoms Piet O. Schmidt PTB / LUH Quantum Logic Spectroscopy of Highly Charged Ions; Transportable Al+ Uhr Tanja Mehlstäubler PTB / LUH Precision spectroscopy in In+ and Yb+ ions; Test of LLI Silke Ospelkaus LUH Exotic Spin Systems with Molecules; Application of Ultracold Molecular Systems for Precision Measurements and Quantum Many-Body Physics Fiona Kirk LUH Chih-Han Yeh PTB LLI test with Yb ions Abhilasha Singh PTB Julian Pick LUH Atomic State Squeezing and their application in tests of GR tbd/Hammerer LUH Atomic State Squeezing and their application in tests of GR Uwe Morgner LUH Enhanced Optical Nonlinearities and High-Harmonic Generation Milutin Kovacev LUH Enhanced Optical Nonlinearities and High-Harmonic Generation Philip Mosel LUH Enhanced Optical Nonlinearities and High-Harmonic Generation Christian Pfeifer ZARM Lorentz invariance violations, Standard Model Extensions Claus Lämmerzahl ZARM General Relativity, QED, atomic clocks Lukas Spieß PTB Alexander Wilzewski PTB Dennis Schlippert LUH Atom interferometry Jonas Keller PTB Jialiang Yu PTB Nimrod Hausser PTB Jan Richter PTB Agnese Mariotti LUH Moritz von Boehn PTB Kai Grensemann Fabian Wolf PTB Malte Wehrheim PTB Shuying Chen PTB Till Rehmert PTB Nils Huntemann PTB Ekkehard Peik PTB Christian Ospelkaus LUH/ PTB Juan Cornejo Garcia LUH Aldo Ejlli AEI