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Tests of Fundamental Physics: Spectroscopy

Tests of Fundamental Physics: Spectroscopy

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

  • 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 Mai 7;6(3):034003. doi: 10.1088/2058-9565/abee99
    King 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 Dez 10;11(4):041049 . doi: 10.48550/arXiv.2102.12427, 10.1103/PhysRevX.11.041049
    Mosel 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/ma14164397
    Nicolas R, Shi L, Chanteau B, Franz D, Kholodstova M, Ripault Q et al. Plasmon-Amplified Third Harmonic Generation in Metal/Dielectric Resonators. Plasmonics. 2021 Dez;16(6):1883-1889. Epub 2021 Apr 29. doi: 10.1007/s11468-021-01444-3
    Rehbehn 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.L040801
    Shi 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.202000475
    Stark 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: 10.1063/5.0046569
    Appi 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/s41598-020-63019-2
    Fürst 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 Okt 16;125(16):163001. doi: 10.1103/PhysRevLett.125.163001
    Micke 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/s41586-020-1959-8
    Nordmann 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, 10.1063/5.0160415
    Porsev 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.102.012802
    Shi 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.0c00753
    Yerokhin 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.101.012502
    Franz 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. 2019 Apr 5;9:5663. Epub 2019 Apr 5. doi: 10.1038/s41598-019-41642-y, 10.1038/s41598-020-63113-5
    Jusko 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 Dez;36(12):3505-3513. Epub 2019 Nov 21. doi: 10.1364/josab.36.003505
    Shi 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.9b02100
    Shi 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 Mär 7. doi: 10.1021/acsphotonics.9b00127
    von 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 Mär 13;240(1):23. Epub 2019 Mär 13. doi: 10.1007/s10751-019-1564-0, 10.48550/arXiv.1904.01245

TG Members

  • 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