Book Image

Quantum Computing Algorithms

By : Barry Burd
5 (1)
Book Image

Quantum Computing Algorithms

5 (1)
By: Barry Burd

Overview of this book

Navigate the quantum computing spectrum with this book, bridging the gap between abstract, math-heavy texts and math-avoidant beginner guides. Unlike intermediate-level books that often leave gaps in comprehension, this all-encompassing guide offers the missing links you need to truly understand the subject. Balancing intuition and rigor, this book empowers you to become a master of quantum algorithms. No longer confined to canned examples, you'll acquire the skills necessary to craft your own quantum code. Quantum Computing Algorithms is organized into four sections to build your expertise progressively. The first section lays the foundation with essential quantum concepts, ensuring that you grasp qubits, their representation, and their transformations. Moving to quantum algorithms, the second section focuses on pivotal algorithms — specifically, quantum key distribution and teleportation. The third section demonstrates the transformative power of algorithms that outpace classical computation and makes way for the fourth section, helping you to expand your horizons by exploring alternative quantum computing models. By the end of this book, quantum algorithms will cease to be mystifying as you make this knowledge your asset and enter a new era of computation, where you have the power to shape the code of reality.
Table of Contents (19 chapters)
Free Chapter
Part 1 Nuts and Bolts
Part 2 Making Qubits Work for You
Part 3 Quantum Computing Algorithms
Part 4 Beyond Gate-Based Quantum Computing


When combined with other gates, a two-qubit CNOT gate can entangle qubits. An entangled pair behaves as a single unit in which the measurement of one qubit determines the outcome of measuring the other. Neither qubit exists independently in a state of its own. The two-qubit system cannot be represented as the tensor product of two single qubits.

The true nature of entanglement remains a mystery for physicists. Experiments indicate that the theory has no hidden variables, so the qubits don’t know if they’ll be 0s or 1s before they’re measured. But at the time of each measurement, the qubits may be separated by many light-years. And yet, news of one qubit’s measurement seems to travel instantaneously to inform the other qubit’s measurement. No one knows exactly why this happens. As physicist Richard Feynman said, the best we can do is to “Shut up and calculate”.

In this chapter, we leveraged the fact that you can’t...