Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"Symmetry Argument"”.
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Stoner magnetism and Berry phase in quantum materials
… coupling, respects the SU(2) spin rotation symmetry and exhibits other interesting characteristics. In this thesis, we establish the existence of this interaction through a general symmetry argument and microscopic calculations, and investigate its consequences. Specifically, we explore the …
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Shape formation via elastic instabilities
… of hexagonal dents are favoured, and I present a symmetry argument that hexagonal patterns are generic. Finally, I present a technique to manipulate the patterns formed in layer/substrate buckling by patterning the system with holes. This simple technique shows that instability patterns can be …
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An infrared absorption study of the bismuth donor in silicon
… small distances from the impurity ion and using symmetry argument, it has been shown (4) that the ground state in reality splits into a non-degenerate level, is 1s (A<sub>1</sub>), which is the ground state, and doubly and triply degenerate 1s levels, 1s(E) and 1s(T<sub>1</sub>) respectively. …