According to QFT there's not really a vacuum anywhere in space, as I understand ... | Hacker News

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		jonsen on Aug 17, 2022 \| parent \| context \| favorite \| on: Physics duo finds magic in two dimensions According to QFT there's not really a vacuum anywhere in space, as I understand it?

GolDDranks on Aug 18, 2022 [–]

According to QFT, the quantum fields permeate the space everywhere, but the field itself can be in a "vacuum state", which means it has the lowest possible energy. (But unlike in classical physics, the lowest possible energy is not zero.)

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