Hadamard type operations for qubits

被引：6

作者：

Maitra, Arpita ^{[1
]}

Parashar, Preeti ^{[1
]}

机构：

[1] Indian Stat Inst, Phys & Appl Math Unit, Kolkata 700108, India

来源：

INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2006年 / 4卷 / 04期

关键词：

unitary operations; Hadamard gate; Bloch sphere; qubits;

D O I：

10.1142/S0219749906002055

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

We obtain the most general ensemble of qubits for which it is possible to design a universal Hadamard gate. These states, when geometrically represented on the Bloch sphere, give a new trajectory. We further consider some Hadamard "type" operations and find ensembles of states for which such transformations hold. The unequal superposition of a qubit and its orthogonal complement is also investigated.

引用

页码：653 / 664

页数：12

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