In quantum physics, a quantum state is a mathematical entity that embodies the knowledge of a quantum system. Quantum mechanics specifies the construction, ...
The quantum state of something is a mathematical tool that describes everything that can be physically measured about that thing. For example, the quantum ...
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In physics, a quantum state space is an abstract space in which different "positions" represent, not literal locations, but rather quantum states of some ...
In quantum field theory, the quantum vacuum state is the quantum state with the lowest possible energy. Generally, it contains no physical particles.
In quantum physics, a measurement is the testing or manipulation of a physical system to yield a numerical result. A fundamental feature of quantum theory ...
Quantum mechanics is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms. ... It is the foundation of all ...
In quantum mechanics, a two-state system is a quantum system that can exist in any quantum superposition of two independent (physically distinguishable) ...
A macroscopic quantum state is a state of matter in which macroscopic properties, such as mechanical motion, thermal conductivity, electrical conductivity ...
In quantum mechanics, notably in quantum information theory, fidelity is a measure of the "closeness" of two quantum states. It expresses the probability ...
A quantum state is any possible state in which a quantum mechanical system can be. A fully specified quantum state can be described by a state vector, ...