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Tests of fundamental physics: Spectroscopy

Tests of fundamental physics: Spectroscopy

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

PUBLICATIONS

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 Jan 29;578:60-65. doi.org/10.1038/s41586-020-1959-8

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;102(1). 012802. doi.org/10.1103/PhysRevA.102.012802

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.org/10.1103/PhysRevA.101.012502

Involved QF Members
Members Institution Relevant Expertise
Elina Fuchs, LeaderLUH
Piet O. SchmidtPTB / LUHQuantum Logic Spectroscopy of Highly Charged Ions; Transportable Al+ Uhr
Steven KingPTBQuantum Logic Spectroscopy of Highly Charged Ions
Tanja MehlstäublerPTB / LUHPrecision spectroscopy in In+ and Yb+ ions; Test of LLI
Elina FuchsPTB / LUHHigh Energy Physics with Cold Atoms
Silke OspelkausLUHExotic Spin Systems with Molecules; Application of Ultracold Molecular Systems for Precision Measurements and Quantum Many-Body Physics
Chih-Han YehPTBLLI test with Yb ions
Laura DreissenPTBLLI experiments
Henning Fürst PTBLLI experiments
Julian PickLUHAtomic State Squeezing and their application in tests of GR
tbd/HammererLUHAtomic State Squeezing and their application in tests of GR
Uwe MorgnerLUHEnhanced Optical Nonlinearities and High-Harmonic Generation
Milutin KovacevLUHEnhanced Optical Nonlinearities and High-Harmonic Generation
Philip MoselLUHEnhanced Optical Nonlinearities and High-Harmonic Generation
Christian PfeiferZARMLorentz invariance violations, Standard Model Extensions
Claus LämmerzahlZARMGeneral Relativity, QED, atomic clocks