Entanglement Meaning in Urdu. Entanglement - Web: پیچیدگی - الجھاوٴ: (noun) an intricate trap that entangles or ensnares its victim. Spider Web, Spider's Web - a web resembling the webs spun by spiders.
from Wikipedia, the free encyclopedia
Quantum entanglement is a quantum mechanical phenomenon in which the quantum states of two or more objects have to be described with reference to each other, even though the individual objects may be spatially separated.
This leads to correlations between observable physical properties of the systems.
For example, it is possible to prepare two particles in a single quantum state such that when one is observed to be spin-up, the other one will always be observed to be spin-down and vice versa, this despite the fact that it is impossible to predict, according to quantum mechanics, which set of measurements will be observed.
As a result, measurements performed on one system seem to be instantaneously influencing other systems entangled with it.
But quantum entanglement does not enable the transmission of classical information faster than the speed of light.
Quantum entanglement has applications in the emerging technologies of quantum computing and quantum cryptography, and has been used to realize quantum teleportation experimentally.
At the same time, it prompts some of the more philosophically oriented discussions concerning quantum theory.
The correlations predicted by quantum mechanics, and observed in experiment, reject the principle of local realism, which is that information about the state of a system should only be mediated by interactions in its immediate surroundings.
Different views of what is actually occurring in the process of quantum entanglement can be related to different interpretations of quantum mechanics.
Note: The above text is excerpted from the Wikipedia article 'Quantum entanglement', which has been released under the GNU Free Documentation License.
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