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At the crossroad of molecular physics quantum optics and spectroscopy ultra hi...

At the crossroad of molecular physics quantum optics and spectroscopy ultra high precision molecular spectroscopy for fundamental physics Molecules have an enormous potential in the field of frequency metrology-based fundamental physics, yet have so far not played an important role, due to difficult experimental challenges. The goal of this project is to overcome th... see more

31/08/2025

UDUS

3M€

Project Budget: 3M€

Project leader

HEINRICH-HEINE-UNIVERSITAET DUESSELDORF No se ha especificado una descripción o un objeto social para esta compañía.

PARTICIPATION DEPralty Sin fecha límite de participación.

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Financing granted El organismo H2020 notifico la concesión del proyecto The day 2018-06-15

ERC-2017-ADG: ERC Advanced Grant Scope:Objectives

I+D

Cerrada does 7 years

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characteristics of the participant

Este proyecto no cuenta con búsquedas de partenariado abiertas en este momento.

Private Information

No hay información privada compartida para este proyecto. Habla con el coordinador.

2 Participantes

UDUS

2.50M€ | Leader

VORTEX FACTORIA DE CALCULS

191.31K€ | participant

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Project duration: 86 months Date Start: 2018-06-15
End date: 2025-08-31

Project leader

HEINRICH-HEINE-UNIVERSITAET DUESSELDORF No se ha especificado una descripción o un objeto social para esta compañía.

Project Budget 3M€

participation deadline Sin fecha límite de participación.

Project description Molecules have an enormous potential in the field of frequency metrology-based fundamental physics, yet have so far not played an important role, due to difficult experimental challenges. The goal of this project is to overcome these difficulties by developing new techniques, thus opening a new chapter in precision molecular spectroscopy. Furthermore, it will have far-reaching impact in fundamental physics: (1) A 500-fold improved limit to the existence of a fifth force with range on the 0.1 nm scale. (2) An independently determined set of the fundamental constants me/mp, me/md, and the Rydberg constant R∞. Their uncertainties will be reduced compared to CODATA2014 by up to a factor of 23 for me/mp, 4 for me/md, and 2 for R∞; (3) A test of the current muonic atom discrepancies of proton and deuteron charge radii rp and rd at the 30% and 50% level, respectively; (4) Achieve a precision 1×10-16 in molecular ion spectroscopy, thus exploring the feasibility of using, in the future, molecular ions for testing the time-dependence of me/mp and mp/md. Molecular hydrogen ions (MHIs) are the systems in principle suitable for providing these results: indeed, the required ab initio theory has made outstanding advances, reaching the 8×10-12 inaccuracy level. To date, experimental results are orders of magnitude less precise. In order to achieve an accuracy surpassing the theoretical one, this project shall develop new quantum optical techniques, including: - Doppler-free spectroscopy, rotational and ro-vibrational; - preparation of a single molecular ion in a single internal quantum state; - resolution and control of systematic shifts at levels from 1×10-12 to 1×10-16; - novel spectroscopy laser systems. These techniques will be of general applicability in the field of molecular ion spectroscopy. The proposed work is based on the wide experience of the PI in precision measurements and will make a strong and overdue contribution to spectroscopy and fundamental physics.

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