how do we get smoothly from the anisotropic a phase with gap nodes to .
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How do we get smoothly from the anisotropic A phase with gap nodes to. . . . . the B phase with an isotropic (or nearly isotropic) gap?. - PowerPoint PPT PresentationTRANSCRIPT
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How do we get smoothly from the anisotropic A phase with gap nodes to . . .
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. . . . the B phase with an isotropic (or nearly isotropic) gap?
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We start in the A phase with nodes in the gap and the L-vector for both up and down spins pairs parallel to the nodal line.
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We start in the A phase with nodes in the gap and the L-vector for both up and down spins pairs parallel to the nodal line.
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The up spin and down spin nodes (and L-vector directions) separate
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The up spin and down spin nodes (and L-vector directions) separate
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. . . . . and separate further.
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The up spin and down spin nodes finally become antiparallel (making the topological charge of the nodes zero) and can then continuously fill to complete the transformation to the B phase.
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The up spin and down spin nodes finally become antiparallel (making the topological charge of the nodes zero) and can then continuously fill to complete the transformation to the B phase.
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We thus obtain the above complex structure across the interface.
B phase A phase
The quasiparticle motion.
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