Quantum Liquids

Quantum liquids are special states of matter where particles move together in a highly correlated way, exhibiting quantum behaviors on a macroscopic scale. Unlike regular liquids, they have properties influenced by quantum mechanics, such as superfluidity—fluid flow without resistance. Examples include liquid helium at very low temperatures, which can climb walls or flow endlessly. These states reveal the strange and fascinating rules of quantum physics, showing how particles can act as a collective, exhibiting behaviors that defy classical expectations and providing insights into the quantum nature of matter.