Academic Articles & Research Papers

Classical and Quantum Computing

Classical and Quantum computing provides a self-contained, systematic and comprehensive introduction to all the subjects and techniques important in scientific computing. The style and presentation are readily accessible to undergraduates a...

The engineering challenges in quantum computing

Quantum computers may revolutionize the field of computation by solving some complex problems that are intractable even for the most powerful current supercomputers. This paper first introduces the basic concepts of quantum computing and de...

Quantum Computing 40 Years Later

This chapter sketches the foundations of the subject, discussing salient features of quantum information, formulates a mathematical model of quantum computation and highlights some implications of the model. It reviews two particularly prom...

Explorations in quantum computing

Quantum computing: An IBM perspective

Quantum physics provides an intriguing basis for achieving computational power to address certain categories of mathematical problems that are completely intractable with machine computation as we know it today. We present a brief overview ...

Quantum Computing: Circuits, Algorithms, and Applications

Quantum computing, a transformative field that emerged from quantum mechanics and computer science, has gained immense attention for its potential to revolutionize computation. This paper aims to address the fundamentals of quantum computin...

An Introduction to Quantum Computing Algorithms

In 1994 Peter Shor [65] published a factoring algorithm for a quantum computer that finds the prime factors of a composite integer N more efficiently than is possible with the known algorithms for a classical com­ puter. Since the difficult...

Quantum Computing with Molecules

Linear optical quantum computing with photonic qubits

Linear optics with photon counting is a prominent candidate for practical quantum computing. The protocol by Knill, Laflamme, and Milburn [2001, Nature (London) 409, 46] explicitly demonstrates that efficient scalable quantum computing with...

Quantum computing and chemistry

As the year-to-year gains in speeds of classical computers continue to taper off, computational chemists are increasingly examining quantum computing as a possible route to achieve greater computational performance. Quantum computers, built...

Mathematics of Quantum Computing

Quantum computing: vision and challenges

Quantum Computing Circuits and Devices

Editor's note: As an emerging technology, quantum computing brings unique promises in creating a fundamentally different paradigm of information processing. This article reviews introductory concepts and building blocks-quantum logic gates ...

The Initialization Problem in Quantum Computing

Quantum Computing for the Quantum Curious

This open access textbook uses simple language and minimal math to explain quantum computing and the key physical ideas behind it. It bridges the gap between pop-sci articles and advanced textbooks and can be used for self-study or adapted ...

Quantum computing with quantum-dot cellular automata

Quantum-dot cellular automata (QCA), arrays of coupled quantum-dot devices, are proposed for quantum computing. The notion of coherent QCA (CQCA) is introduced in order to distinguish QCA applied to quantum computing from classical digital ...

Quantum Computing: An Applied Approach

Quantum computing, postselection, and probabilistic polynomial-time

I study the class of problems efficiently solvable by a quantum computer, given the ability to ‘postselect’ on the outcomes of measurements. I prove that this class coincides with a classical complexity class called PP, or probabilistic pol...

Layered Architecture for Quantum Computing

We develop a layered quantum computer architecture, which is a systematic framework for tackling the individual challenges of developing a quantum computer while constructing a cohesive device design. We discuss many of the prominent techni...

Quantum Computing with an Always-On Heisenberg Interaction

Many promising schemes for quantum computing (QC) involve switching "on" and "off" a physical coupling between qubits. This may prove extremely difficult to achieve experimentally. Here we show that systems with a constant Heisenberg coupli...