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Quantum entanglement is the phenomenon of a group of particles being generated, interacting, or sharing spatial proximity in a manner such that the quantum state of each particle of the group cannot be described independently of the state of the others, including when the particles are separated by a large distance.
In quantum information science, the Bell's states or EPR pairs are specific quantum states of two qubits that represent the simplest examples of quantum entanglement. [1]: 25 The Bell's states are a form of entangled and normalized basis vectors.
The first such result was introduced by Bell in 1964, building upon the Einstein–Podolsky–Rosen paradox, which had called attention to the phenomenon of quantum entanglement. Bell deduced that if measurements are performed independently on the two separated particles of an entangled pair, then the assumption that the outcomes depend upon ...
In matters relating to quantum information theory, it is convenient to work with the simplest possible unit of information: the two-state system of the qubit.The qubit functions as the quantum analog of the classic computational part, the bit, as it can have a measurement value of both a 0 and a 1, whereas the classical bit can only be measured as a 0 or a 1.
Additionally, the idea of quantum entanglement playing a role in consciousness isn’t a mainstream one—Hameroff, one the leading minds behind the idea that quantum phenomena could drive aspects ...
In quantum physics, a group of particles can interact or be created together in such a way that the quantum state of each particle of the group cannot be described independently of the state of the others, including when the particles are separated by a large distance. This is known as quantum entanglement.
Dissipation is a decohering process by which the populations of quantum states are changed due to entanglement with a bath. An example of this would be a quantum system that can exchange its energy with a bath through the interaction Hamiltonian .
Here are some examples of one-dimensional cluster states (d=1), for =,,, where is the number of qubits. We take κ a = 0 {\displaystyle \kappa _{a}=0} for all a {\displaystyle a} , which means the cluster state is the unique simultaneous eigenstate that has corresponding eigenvalue 1 under all correlation operators.