Spin

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Inspire kids to become scientists by saying that…..……………………………………………………………………………………

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An individual atom’s quantum spin is its electrons’ net spin.

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An individual atom’s spin on a surface can be used as qubits for quantum computer.

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Physicists can modify  interactions between pairs of atoms by controlling the position of  qubits.
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Classical computers make use of bits that can have either one of two distinct values, “0” or “1”.

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As well as taking two distinct values, “0” or “1”, qubits can also exist in quantum superposition states of “0” and “1” at the same time.

…………………………………………The quantumness of  qubits is  extremely fragile since information saturates soon into the surrounding environment.
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Since spin  happens when constituents (particles) of an object travel in circular path, fundamental particles like electrons have no classical spin.

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Momentum is the stability against gravity just by moving.

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An upright and stable spinning top wobbles and finally topples due to gravity. But electrons in a magnet never topple but mysteriously wobble!

Experimental observations force us to name this mystery as ‘spin’- a quantum meme!

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Math not only works with electrons’ ghostly spin, it also
allows us to build some cool electronic gadgets.

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Our familiar three(four)-dimensional Euclidean coordinate system is not a suitable meme to  describe a typical quantum-mechanical system. Often math and observations agree to introduce other memetic parameters (like spin) and memetic spaces (like a Hilbert or a Fock space).

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To match and model observations ,we force quantum mechanic’s  mathematical space  to  “spin” around our classical particle. Classicality is a more familiar meme than quantumness………………………………………….

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