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here is your question
what is born rule/ born law?
need a brief answer which can make me understood the concept of this law.
no copied answers from Google is accepted as I had already read them.
need in simple way with correct equation n example.
if u don't follow this then it will be upon your own risk
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hThe Born rule states that if you repeatedly prepare a system in some state vector ψψ and measure its overlap with another state vector ϕϕ, the fraction of measurements that find the system in state ϕϕ is equal to |⟨ψ|ϕ⟩|2|⟨ψ|ϕ⟩|2.
This is supported by an enormous amount of observation, and would appear to be axiomatic. However, quantum mechanics is internally consistent, which means that the combined state for many sub-systems each prepared in the state ψψ is peaked exactly where taking a set of measurements would give an answer indistinguishable from the Born rule. This hints that the Born rule could be derived if only we could bridge the gap between classical observation and quantum interactions.
This is supported by an enormous amount of observation, and would appear to be axiomatic. However, quantum mechanics is internally consistent, which means that the combined state for many sub-systems each prepared in the state ψψ is peaked exactly where taking a set of measurements would give an answer indistinguishable from the Born rule. This hints that the Born rule could be derived if only we could bridge the gap between classical observation and quantum interactions.
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Answer:
The Born rule (Born's law) is a key postulate of quantum mechanics which gives the probability that a measurement of a quantum system will yield a given result. It was formulated by German physicist Max Born in 1926. In which:-
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