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QxBranch was founded in 2014 as a joint spin-off of Shoal Group and The Tauri Group to commercialize quantum computing technology. [11] Shoal Group (named Aerospace Concepts at the time) had a research agreement with Lockheed Martin to access a D-Wave Two quantum computer, and transitioned the access and associated technology to help found QxBranch.
Circuit implementing the swap test between two states | and | The swap test is a procedure in quantum computation that is used to check how much two quantum states differ, appearing first in the work of Barenco et al. [ 1 ] and later rediscovered by Harry Buhrman , Richard Cleve , John Watrous , and Ronald de Wolf . [ 2 ]
Furthermore, quantum algorithms can be used to analyze quantum states instead of classical data. [16] [17] Beyond quantum computing, the term "quantum machine learning" is also associated with classical machine learning methods applied to data generated from quantum experiments (i.e. machine learning of quantum systems), such as learning the ...
Quantum chemistry computer programs are used in computational chemistry to implement the methods of quantum chemistry. Most include the Hartree–Fock (HF) and some post-Hartree–Fock methods. They may also include density functional theory (DFT), molecular mechanics or semi-empirical quantum chemistry methods .
Quantum cryptography enables new ways to transmit data securely; for example, quantum key distribution uses entangled quantum states to establish secure cryptographic keys. [52] When a sender and receiver exchange quantum states, they can guarantee that an adversary does not intercept the message, as any unauthorized eavesdropper would disturb ...
Quantum information is the information of the state of a quantum system. It is the basic entity of study in quantum information theory, [1] [2] [3] and can be manipulated using quantum information processing techniques. Quantum information refers to both the technical definition in terms of Von Neumann entropy and the general computational term.
Related: 300 Trivia Questions and Answers to Jumpstart Your Fun Game Night What Is Today's Strands Hint for the Theme: "Bundle Up"? Today's Strands game revolves around things you might wear when ...
The Fock space is the (Hilbert) direct sum of tensor products of copies of a single-particle Hilbert space () = = = (()) (())Here , the complex scalars, consists of the states corresponding to no particles, the states of one particle, () the states of two identical particles etc.