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Quantum Computing Algorithms

Quantum Computing Algorithms

By : Barry Burd
4.6 (8)
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Quantum Computing Algorithms

Quantum Computing Algorithms

4.6 (8)
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)
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2
Part 1 Nuts and Bolts
7
Part 2 Making Qubits Work for You
10
Part 3 Quantum Computing Algorithms
14
Part 4 Beyond Gate-Based Quantum Computing

Reversible operations

You’re composing a letter to the love of your life. You accidentally delete an entire paragraph. So, what do you do? Do you try to recreate the paragraph word by word? No. You use the document editor’s Undo feature to go back to the time when the paragraph appeared.

Some things in life can be undone, whereas others can’t. If you shoot a missile into the air, you can’t get it back onto the launch pad unscathed. If the love of your life reads your letter, you can’t un-write what you wrote. If someone sends bits through a classical AND gate and you examine the gate’s output, you can’t always tell what the input bits were. Figure 3.16 illustrates this point.

Figure 3.16 – Are the inputs 00, 01, or 10?

Figure 3.16 – Are the inputs 00, 01, or 10?

What about this chapter’s quantum gates? Can they be undone? Pick any starting point on the Bloch sphere and then apply the X gate. When you apply the X gate, you rotate the...

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Quantum Computing Algorithms
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