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Quantum Phase Estimation (QPE)

A Cornerstone of Quantum Computing Quantum Phase Estimation (QPE) stands as a fundamental algorithm in the realm of quantum computing, renowned for its efficiency in estimating the phase (eigenvalue) of a unitary operator. This capability is crucial for unveiling properties of quantum systems that remain inaccessible to classical computational approaches. The Emergence of QPE in…

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Exploring Simon’s Algorithm

Simon’s algorithm provided the first example of an exponential speedup over the best known classical algorithm by using a quantum computer to solve a particular problem. Originally published in 1994, Simon’s algorithm was a precursor to Shor’s well-known factoring algorithm, and it served as inspiration for many of the seminal works in quantum computation that…

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The Bernstein-Vazirani Algorithm: Quantum Algorithms Untangled

A clear guide to the Bernstein-Vazirani Algorithm, extending knowledge from the Deutsch-Jozsa into more complex algorithms. We’ll explore the Problem, Classical and Quantum Solutions, as well as creating circuits, code, and running the algorithm on Quantum Computers with Qiskit. This is a bonus Part 3 to Quantum Algorithm Untangled’s series on the Deutsch-Jozsa Algorithm. Part…

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The Deutsch-Jozsa Algorithm Explained

When learning quantum computing algorithms from a textbook, there is usually a progression from the earliest, simplest algorithms to the later, more complex algorithms. Among the first of these textbook algorithms to be presented is often the Deutsch-Jozsa algorithm, whose small size and seeming simplicity belie its importance. What is the Deutsch-Jozsa algorithm? Using the…

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Your Guide to Quantum Algorithms

What is Quantum Computing? Quantum Computing is a form of computing that takes advantage of quantum mechanics to process information exponentially faster than classical computers. Classical computers use classical bits which can consist of either a 0 or a 1 to encode information. Quantum computers, on the other hand, use quantum bits, or qubits, like photons, atoms,…

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What is a qubit?

Qubit explained Just like a binary bit is the basic unit of information in classical (or traditional) computing, a qubit (or quantum bit) is the basic unit of information in quantum computing. Quantum computing is driving new discoveries in healthcare, energy, environmental systems, smart materials, and beyond. Qubit vs bit Qubits are represented by a…

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What is Quantum computing?

What is Quantum computing? Quantum computing is a multidisciplinary field comprising aspects of computer science, physics, and mathematics that utilizes quantum mechanics to solve complex problems faster than on classical computers. The field of quantum computing includes hardware research and application development. Quantum computers are able to solve certain types of problems faster than classical…

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