Testing spatial noncommutativity via magnetic hyperfine structure induced by fractional angular momentum of Rydberg system

Zhang, JianZu
Institute for Theoretical Physics, East China University of Science and Technology, Shanghai, China

Liu, HongPing
State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Science  Wuhan, China

Cao, Wei
Department of Physics, University of Fribourg, Switzerland

Gao, KeLin
State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Science  Wuhan, China
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Published in:
 EPL  Europhysics Letters.  2012, vol. 98, no. 4, p. 40002
English
An approach to solve the critical problem of testing quantum effects of spatial noncommutativity is proposed. Magnetic hyperfine structures in a Rydberg system induced by fractional angular momentum originated from spatial noncommutativity are discussed. The orders of the corresponding magnetic hyperfine splitting of the spectrum ~10−7–10− 8 eV lie within the limits of accuracy of current experimental measurements. Experimental tests of physics beyond the standard model are the focus of broad interest. We note that the present approach is reasonably achievable with current technology. The proof is based on very general arguments involving only the deformed HeisenbergWeyl algebra and the fundamental property of angular momentum. Its experimental verification would constitute an advance in understanding of fundamental significance, and would be a key step towards a decisive test of spatial noncommutativity.

Faculty
 Faculté des sciences et de médecine

Department
 Département de Physique

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Physics

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https://folia.unifr.ch/unifr/documents/302517
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