Theory of muon spin depolarization in crystalline phases of 3He |
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Authors: | YuM Belousov VP Smilga |
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Institution: | (1) Moscow Institute of Physics and Technology, Dolgoprudny, 141700, Russia;(2) RSC “Kurchatov Institute”, Kurchatov sq. 1, Moscow, 123182, Russia |
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Abstract: | As is obvious from the energetic point of view, positive muons must form the molecular ion ( He_2μ)+ in condensed phases of helium. A theory of positive muon spin depolarization in crystalline phase of 3He in this model is devised. The theory explains experimental results. It is shown that the abrupt temperature dependence
of the muon spin depolarization rate at T < 2 K which is observed in experiments is explained by spin–phonon interaction.
This interaction mechanism arises due to a modulation of the exchange interaction between host atoms of the 3He‐lattice.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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