Schrödinger’s cat is a thought experiment in quantum physics #short #quantum #Schrödinger

Schrödinger’s cat is one of the most famous thought experiments in quantum physics, designed to illustrate the strange and counterintuitive nature of quantum mechanics. Devised by Austrian physicist Erwin Schrödinger in 1935, the Schrödinger’s cat experiment presents a scenario where a cat is placed in a sealed box along with a radioactive atom, a Geiger counter, and a vial of poison. If the atom decays (a quantum event), the Geiger counter triggers the release of the poison, killing the cat. If the atom does not decay, the cat remains alive.
The key idea is that, according to quantum mechanics and the principle of quantum superposition, until the box is opened and an observation is made, the system exists in a superposition of states. This means the cat is considered to be both alive and dead at the same time, with each outcome linked to the quantum state of the atom. Only when someone opens the box and observes the cat does the superposition "collapse" into a single state-either alive or dead. This paradox challenges our classical intuition and highlights the measurement problem in quantum physics: when and how does a quantum system transition from multiple possible states to a single observed reality?
Schrödinger’s cat explained the peculiarities of quantum mechanics by applying them to a macroscopic object, raising questions about where the boundary lies between the quantum and classical worlds. The experiment is not meant to be performed in reality but serves as a powerful illustration of the implications of quantum superposition and quantum entanglement in physics thought experiments.
In summary, the Schrödinger’s cat experiment remains a foundational example in quantum physics, prompting ongoing debates about the interpretation of quantum mechanics, the role of observation, and the nature of reality itself.

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