Packet 9: Tossup 5

Popular examples of qubits that rely on this phenomenon include transmon and flux qubits. (15[1])Niobium-titanium and niobium-tin alloys are useful (15[1])because they display this phenomenon. (15[1]-5[2])SQUIDs are made (15[1])up of loops (15[1])displaying (15[1])this (15[1])phenomenon (15[3])that take (15[1])advantage of the Josephson effect (15[1])between (15[3])two materials exhibiting it. (15[1])This phenomenon is exhibited (15[1])by the ceramic (*) yttrium barium (-5[1])copper (10[1])oxide. (10[1])According to BCS theory, this phenomenon arises from the formation of Cooper pairs. (10[2])Since this phenomenon causes magnetic (10[1])fields (10[1])to be expelled in the Meissner effect, materials displaying it trigger levitation. (10[2])For 10 points, (-5[1])name (10[1])this phenomenon (10[1])in which a material displays zero resistance to current. (10[2])■END■ (10[5])

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