Quantum Sensors

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Particle & AMO physicists discussing quantum sensors and new physics

1 – 26 March 2021
Dmitry Budker, Peter Fierlinger, Anson Hook, Gilad Perez, Marianna Safronova, Vladan Vuletic

 

In the last decade or so quantum technologies have made tremendous progress, from redefining the second to establishing quantum supremacy. This unequalled ability to control quantum systems leads to a potential to make measurements with unprecedented accuracy. Quantum technologies have already been at play in various fronts such as the observation of gravitational waves and in searches for CP violation by bounding the electric dipole moments of the electron and the neutron.

At the same time, the field of particle physics, given its primary objective to decipher the fundamental laws of nature, is in a critical junction. While observations tell us that new physics exist they cannot be associated with any definite scale. The conventional paradigm, that the Higgs fine-tuning problem is solved via a symmetry principle is, therefore, the leading anchor in the perception that new dynamics at the TeV scale need to be present, within the current reach of colliders. This paradigm is currently under a two-pronged attack: (i) the LHC Run-2 has come to an end, leaving no traces of new physics; (ii) new theories emerged, addressing the fine-tuning problem outside the conventional paradigm. For the first time in the modern history of particle physics there is no preferred energy range for the new physics scale, even if electroweak-naturalness as criterion is included.

The above substantiates the importance of searches at the precision frontier as these can cover many decades of energy scales. In particular quantum sensors were shown to be able to search for light new degrees of freedom, for instance ultra-light dark matter with masses between the sub eV range all the way down to the 10-22eV range describing fuzzy dark matter.

In order to maximize the impact of using quantum technology to probe fundamental interactions it is critical that each community improves its knowledge of the other discipline. We plan to bring in world experts in quantum technologies and particle physics in order to discuss how the recent progress in the precision front of quantum sensors could be used to search for new physics and study fundamental interactions. We plan to invite practitioners of both AMO and particle physics to sit together and learn from each other about the state of the art and to discuss how quantum sensors can be used to search for “old” and “new” types of Beyond the Standard Model physics.

Key scientific questions addressed by the MIAPP program

  • How can we use quantum sensors to discover new light scalars and vectors that lead to new long-range forces?
  • How can we use quantum sensors to improve our sensitivity to time varying phenomena in particular associated with the presence of ultra light dark matter?
  • In what way quantum computer technology could help to search for fundamental new physics?
  • In view of the recent ideas of models beyond the Standard Model that goes beyond conventional naturalness, can one define a set of “universal” signatures that could serve as benchmarks and sensitivity-targets to guide the experimental proposals?
  • What should we expect from the next generation experiments that search for the electron, neutron and proton dipole moment
  • What are the implications to the SM and new physics models?
  • What can be learned from a nuclear clock?
  • What can be achieved by sending optical-clocks to space?
Registration

(Deadline: 1 June 2020)

Technische Universitaet Muenchen
Exzellenzcluster Universe

Boltzmannstr. 2
D-85748 Garching

Tel. + 49 89 35831 - 7100
Fax + 49 89 3299 - 4002
info@universe-cluster.de