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What is quantum tunneling

What is quantum tunneling

Extremely small particles are connected with each other even if very long distances separate them. The wave function evolves and spreads. Hence, the probability of a given particle's existence on the opposite side of an intervening barrier is non-zero, and such particles will appear on the 'other' a semantically difficult word in this instance side in proportion to this probability. Cornell University. To enforce continuity, the boundaries of each region are set equal. To understand the phenomenon , particles attempting to travel across a potential barrier can be compared to a ball trying to roll over a hill.