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Many-body quantum tunneling: Is quantum tunneling sensitive to decoherence?

If we have a many-particle System that is strongly correlated, the tunneling probability can significantly increase; see this article here: https://www.sciencedaily.com/releases/2014/06/140612142215....
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Confusion about quantum tunneling through potential energy vs quantum tunneling through energy spectrum

It seems like that the drawing above describes the "energy spectrum" of a (final) hamiltonian. However, whenever we talk about quantum tunneling, we describe it as traversing through some kind of ...
3
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1answer
95 views

Relation of tunneling and adiabatic quantum computation

This is a post-question of Question about tunneling diagram in adiabatic quantum computation. Since adiabatic quantum computation essentially tries to evolve the system by keeping it on the ground ...
16
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7answers
2k views

Is there a classical analog to quantum mechanical tunneling?

In comments to a Phys.SE question, it has been written: 'Tunneling' is perfectly real, even in classical physics. [...] For sufficiently large temperatures this can put the system above a hump in ...