Can Bose-Einstein condensate flow?

Can Bose-Einstein condensate flow?

Bill Phillips, Kris Helmerson and colleagues at the National Institute of Standards and Technology (NIST) in Maryland can instigate persistent flow in a BEC consisting of a gas of sodium atoms cooled to just above absolute zero.

Is Bose-Einstein condensate naturally occurring?

Bose-Einstein condensates can be created here on Earth, using a combination of laser cooling, magnetic fields, and evaporative cooling. This is what the researchers achieved with the Cold Atom Laboratory – but when they probed the condensates they produced, they found effects that can’t occur in Earth’s gravity.

Which is the 5th state of matter?

There are four states of matter common in everyday life — gases, liquids, solids, and plasmas. However, there is also a fifth state of matter — Bose-Einstein condensates (BECs), which scientists first created in the lab 25 years ago.

What makes an indefinite shape a liquid?

In a liquid, the particles are still in close contact, so liquids have a definite volume. However, because the particles can move about each other rather freely, a liquid has no definite shape and takes a shape dictated by its container.

Which of the following is indefinite in liquid?

Liquids have a definite volume but indefinite shape and size. This is because the intermolecular forces of attraction in liquids are quite weak as compared to the solid states.

Is liquid an indefinite shape?

Which of the following is correct for both gases and liquids?

Option C is correct because gas and liquid contain mobile molecules therefore can flow. both gases and liquids behave like fluids because they do not have a fixed shape.

Does liquid have an indefinite volume?

I. The Three States of Matter The definitions of each: solid: definite shape, definite volume. liquid: indefinite shape, definite volume. gas: indefinite shape, indefinite volume.

How can you tell if something is solid liquid or gas?

solid: Has a definite shape and volume. liquid: Has a definite volume, but take the shape of the container. gas: Has no definite shape or volume.