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Center for Astrophysics Research and Technologies Seminar Series Information


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The quantum limits of precision magnetic resonance for fundamental science

Friday April 12, 2024
3:30 pm

 Presenter:  Dr. Alex Sushkov (Boston University)
 Series:  Physics and Astronomy Colloquium
 Abstract:  Magnetic resonance is a well-developed set of tools that has found use in fields ranging from medical imaging to quantum science. I will focus on the application of precision magnetic resonance to fundamental physics, specifically laboratory-scale searches for ultra-light axion-like dark matter. The Cosmic Axion Spin Precession Experiment (CASPEr-e) uses nuclear magnetic resonance to search for the defining gluon coupling of the Quantum Chromodynamics (QCD) axion, which solves the strong-CP problem of QCD. The prototype CASPEr-e experiment has achieved design sensitivity in the nano-electronvolt mass range. In order to reach the sensitivity to the QCD axion, we are developing a precision magnetic resonance detector, limited by the quantum spin projection noise of a macroscopic ensemble of nuclear spins.
 Web Site:    https:/ / goto.unm.edu/ qls6e
 Host:  Victor Acosta
 Location:  PAIS-1100, PAIS

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