Stabilization of homogeneously precessing domains by large magnetic fields in superfluid 3He-B |
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Authors: | Geller Lee |
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Institution: | Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853, USA. |
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Abstract: | We have studied the catastrophic relaxation in superfluid 3He-B as a function of magnetic field for a sample pressure of 31 bars. "Catastrophic relaxation" refers to a novel magnetic relaxation process which rapidly disrupts the homogeneous precession of nuclear spins in NMR experiments on the B phase. The catastrophe was observed through its effect on the evolution of a long-lived coherent dynamic state, the homogeneously precessing domain. Our measurements reveal that the onset of catastrophic relaxation is suppressed to lower temperatures by a strong magnetic field. |
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