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## Main Question or Discussion Point

maybe it is an easy question but i confuse a bit

wave func of free particle is A exp(ikx) and probability over all space is

A^2 so it is possible to find this particle everywhere

Does it mean "there exist no free particle in real world" ?

wave func of free particle is A exp(ikx) and probability over all space is

A^2 so it is possible to find this particle everywhere

Does it mean "there exist no free particle in real world" ?