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10^{20}

5.000001•10^{19}

4.999999•10^{19}

0.000001 • 10^{19}

What does quantum mechanics have to say about this aspect?Matter usually differs by antimatter having opposite charge.

It is said that the Universe in the early stages should have created equal amounts of matter and antimatter.The total charge is conserved no matter the interactions and if we go back in time indefinitely the universe has always been neutral. If in the early stages the universe was all EM radiation, the total charge had to be zero. This is also means a charge symmetry which feels a more natural course. But [can] the can reason we don't have matter-antimatter symmetry have do with the randomness of nature[?]. A classical universe would have evolves perfectly symmetrical. The whole Universe would've been a perfect sphere growing ( it doesn't matter how you model it, it remains classical). But in quantum terms, if we restarted the universe like 1000 times, would it go ~50% of times with more matter and ~50% times more antimatter? If this is the case it is extremely unlikely to be go equal parts. Can we apply this principle?For example we flip a coin for like Code: [Select]10^{20} times. We will get a ~50/50 ratio. However, in absolute values we can have something like Code: [Select]5.000001•10^{19} tails and Code: [Select]4.999999•10^{19} heads. But Code: [Select]0.000001 • 10^{19} is very large and would be equivalent to the matter left in the Universe.[/font]

… if we restarted the universe like 1000 times, would it go ~50% of times with more matter and ~50% times more antimatter? If this is the case it is extremely unlikely to be go equal parts. Can we apply this principle?