Tags
A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
Continuous-variable quantum computing is a type of quantum computing that makes use of physical observables, like the strength of an electromagnetic field, whose numerical values belong to continuous …
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For questions related to the "Swap test": a quantum algorithm whose purpose is to quantify the distance between two given quantum states.
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A 54-qubit superconducting quantum processor by Google Quantum AI which is claimed to have been used to demonstrate quantum computational supremacy.
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A model for noise in quantum systems such as a decohering qubit that has particularly nice symmetry properties. The depolarizing channel is a “worst-case scenario” channel. It assumes that we just com…
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For questions about the process of transforming multiple copies of a state into Bell pairs using only local operations and classical communication.
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It is a language for specifying pulse level control (i.e. control of the continuous-time dynamics) of a general quantum device independent of the specific hardware implementation. [arXiv:1809.03452]
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For questions about phase kick-back. For a detailed description of the mechanism, go through https://quantumcomputing.stackexchange.com/questions/2565 and the answers therein.
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For questions about compiling problems on quantum hardware. For annealing devices, this can include minor-embedding, quadratization, and other types of gadgetization; while for circuit-based devices t…
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For questions related to quantum operation obtainable via local operations and classical communication.
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A machine learning model or algorithm that combines concepts from quantum computing and artificial neural networks encompassing a variety of ideas, ranging from quantum computers emulating the exact c…
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Questions related to the history of quantum computers and quantum computing. Use this tag to ask questions about they history of an aspect of quantum computing (such as some concept or paradigm).
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A tensor network is simply a countable collection of tensors connected by contractions. ‘Tensor network methods’ is the term given to the entire collection of associated
tools, which are regularl…
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For question about Quantum Merlin Arthur (QMA), a computational complexity class. QMA is the 'quantum analogue' of NP, that is QMA is to BQP as NP is to P.
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Superdense coding is quantum communication protocol that transmits 2 classical bits of information by sending 1 qubit, provided sender and receiver pre-shared entangled pair of qubits.
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The quantum analog of the classical Fisher information, a way of measuring the amount of information that a random observable A carries about an unknown parameter θ of a distribution that models A. Th…
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For questions related to Amazon's quantum computing service known as Braket.
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Questions about or related to QUBO (quadratic unconstrained binary-function optimization).
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For questions about quantum foundations. Examples include questions about fundamental axioms, interpretations, contextuality, or generalized probabilistic theories.
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For questions about the effect of a quantum system's environment on the system of interest.
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For questions about quantum control, the study of theory and methods related to driving quantum systems along target dynamics or states.
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The highest rate at which quantum information can be communicated over many independent uses of a noisy quantum channel (e.g. a qubit) from a sender to a receiver.
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Used for application of quantum algorithms in finance industry.
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For questions on the Bernstein-Vazirani algorithm.
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In Bell test experiments, the term quantum correlation has come to mean the expectation value of the product of the outcomes on the two sides. In other words, the expected change in physical character…
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Quirk is an open-source drag-and-drop quantum circuit simulator for exploring and understanding small quantum circuits. It was developed by Craig Gidney.
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For questions about the Solovay-Kitaev theorem (and algorithm), a proof that quantum computers can efficiently simulate any 1-qubit quantum gate using a restricted set of quantum gates, as well as the…
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for questions about possible applications of quantum computing in improving neural network models and/or quantum neural networks. Artificial neural networks (ANNs) or connectionist syste…
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For questions about the (quantum) relative entropy, the quantum version of the classical Kullback-Leibler divergence.
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For questions regarding Trotterization, concerning product formulas related to quantum simulation, Trotter errors, Trotter-Suzuki limits and their applications and implementation in quantum computers.…
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The hidden subgroup problem (HSP) is a topic of research in mathematics and theoretical computer science. The framework captures problems like factoring, discrete logarithm, graph isomorphism, and the…
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