I am confused by the downvotes. The above post is correct even if not using the clearest of phrasings. But I would like to nitpick: You really do not need to i

I am confused by the downvotes. The above post is correct even if not using the clearest of phrasings. But I would like to nitpick: You really do not need to involve quantum mechanics. These effects are present in classical thermodynamics. They are just more explicit in quantum mechanics.