## Key Terms

Quantum physics and computing can be difficult and complex fields to understand, but with this handy page, you can make sense of some of the most commonly used jargon. Whether you are just getting started in the field or a veteran looking to refresh your knowledge, this page provides insight into the language of quantum physics and computing. Get ready to expand your vocabulary and gain a deeper understanding of this fascinating field.

**1.** Quantum **Algorithm **–

**2.** ** ****Entanglement **– The phenomenon of two or more particles sharing the same quantum state.

**3. Superposition** – The ability of a quantum system to exist in multiple states simultaneously.

**4. Decoherence** – The process by which a quantum system loses its quantum properties due to interactions with its environment.

**5. Qubits** – The basic unit of quantum information, analogous to the bit in classical computing.

**6. Quantum Computing **– A technology that uses the properties of quantum mechanics to process information.

**7. Quantum Simulator** – A device that can simulate a quantum system’s behavior.

**8. Quantum Annealing **– A type of quantum computing that uses optimization algorithms to find the best solution to a problem.

**9. Quantum Gate **– A logical operation on a qubit that can be used to perform calculations.

**10. Quantum Imaging** – The use of quantum effects to improve the resolution of images.

**11. Quantum Cryptography** – The use of quantum mechanics to secure communications.

**12. Quantum Teleportation** – The teleportation of quantum information from one location to another.

**13. Quantum Computing Platforms** – Software or hardware platforms that can be used to develop and run quantum computing algorithms.

**14. Quantum Algorithms** – Algorithms designed to take advantage of the unique properties of quantum systems.

**15. Adiabatic Quantum Computing** – A type of quantum computing that uses a series of adiabatic steps to solve a problem.

**16. Topological Quantum Computing** – A type of quantum computing that uses qubits encoded in topological structures.

**17. Quantum Error Correction** – The use of techniques to detect and correct errors in quantum systems.

**18. Quantum Key Distribution** – The secure exchange of cryptographic keys using quantum mechanics.

**19. Quantum Networks** – Networks of quantum processors that can be used to share information.

**20. Quantum Sensors** – Sensors that use quantum effects to detect and measure physical phenomena.

**21. Quantum Optics **– The study of light and its interactions with matters on the quantum scale.

**22. Quantum Computing Languages** – Languages specifically designed for writing quantum computing algorithms.

**23. Quantum Machine Learning** – The use of quantum computing to improve machine learning algorithms.

**24. Quantum Computing Processors** – Specialized computer processors designed to execute quantum algorithms.

**25. Quantum Computing Chips** – Chips designed to run quantum algorithms.

**26. Quantum Computing Clouds** – Cloud computing platforms that enable users to run quantum algorithms.

**27. Quantum Internet **– A global network of quantum computers that can be used to securely exchange information.

2**8. Quantum Materials** – Materials that exhibit quantum properties, such as superconductivity.

**29. Quantum Computing Frameworks** – Frameworks that enable developers to write and run quantum algorithms.

**30. Quantum Artificial Intelligence** – The use of quantum computing to improve artificial intelligence algorithms.

**31. Quantum state tomography **– Quantum state tomography is a process used to measure the properties of a quantum system. It involves performing a series of measurements on a quantum system and then using the results of those measurements to reconstruct the state of the system. In this way, quantum state tomography can be used to study the behavior of a quantum system and gain insight into its properties.

**32. Quantum VQE **– Quantum Variational eigensolver (VQE) is an algorithm designed to solve a wide range of optimization problems that can be expressed with a quantum computer. It is based on a combination of classical optimization methods and the principles of quantum computing to solve problems that are intractable on traditional computers. VQE has been used to solve problems in materials science, chemistry, and machine learning.

**33. Quantum neural network** – A quantum neural network is a type of artificial intelligence that uses the principles of quantum computing to simulate how the human brain works. It is intended to mimic the functioning of neural networks in the human brain, allowing for advanced computing and data processing capabilities that can be used for machine learning, pattern recognition, and decision-making. Quantum neural networks can provide an improved level of accuracy and speed compared to traditional neural networks and may also be more efficient in terms of energy usage.

**34. Quantum Feature Map** – Quantum Feature Map is a mathematical process that takes classical information and transforms it into a quantum state. It is usually done with a variational quantum circuit, which is designed based on the input data. This process is also known as quantum embedding.

**35. Variational Quantum Classifier (VQC)** – A supervised learning algorithm in which variational circuits (QNNs) are trained to perform classification tasks. Variational Quantum Classifier (VQC) is a quantum machine learning technique that uses quantum computing to classify data sets. It is a type of supervised learning algorithm that uses a quantum circuit to classify a given data set into a given set of labels. VQC makes use of variational methods to optimize an objective function and is able to handle large datasets that are too large for a classical computer to process. VQC is a promising tool for many areas of research, including image recognition, natural language processing, and drug discovery.