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ch-gates

Multiple Qubits and Entanglement

These notebooks are the source files for the Multiple Qubits and Entanglement chapter of the Qiskit Textbook.

Important

The Qiskit Textbook has been superseded by IBM Quantum Learning. These source files are no longer maintained and may contain errors.

Overview

We've seen some interesting effects with isolated qubits and single qubit gates, but the true power of quantum computing comes from interactions between qubits. In this section we will introduce multiple qubit gates and explore the interesting behaviours of multi-qubit systems.

Contents

  1. Introduction
  2. Multiple Qubits and Entangled States
  3. Phase Kickback
  4. Basic Circuit Identities
  5. Classical Computation on a Quantum Computer
  6. Proving Universality