![]() ![]() Yet, when one looks in the box, one sees the cat either alive or dead, not both alive and dead. The Copenhagen interpretation implies that, after a while, the cat is simultaneously alive and dead. a single atom decaying), the flask is shattered, releasing the poison, which kills the cat. a Geiger counter) detects radioactivity (i.e. In Schrödinger's original formulation, a cat, a flask of poison, and a radioactive source are placed in a sealed box. This thought experiment was devised by physicist Erwin Schrödinger in 1935 in a discussion with Albert Einstein to illustrate what Schrödinger saw as the problems of the Copenhagen interpretation of quantum mechanics. In the thought experiment, a hypothetical cat may be considered simultaneously both alive and dead, while it is unobserved in a closed box, as a result of its fate being linked to a random subatomic event that may or may not occur. In quantum mechanics, Schrödinger's cat is a thought experiment that illustrates a paradox of quantum superposition. As illustrated, the objects are in a state of superposition: the cat is both alive and dead. Schrödinger's cat: a cat, a flask of poison, and a radioactive source connected to a Geiger counter are placed in a sealed box. ![]()
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