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Questions and Answers
What is a Bose–Einstein condensate (BEC)?
What is a Bose–Einstein condensate (BEC)?
- A state of matter formed at high densities and high temperatures
- A state of matter formed in outer space
- A state of matter formed at room temperature
- A state of matter formed at very low densities and close to absolute zero (correct)
Who first predicted the existence of Bose–Einstein condensate?
Who first predicted the existence of Bose–Einstein condensate?
- Albert Einstein (correct)
- Eric Cornell
- Carl Wieman
- Satyendra Nath Bose
What type of atoms were used to create the first Bose–Einstein condensate in 1995?
What type of atoms were used to create the first Bose–Einstein condensate in 1995?
- Rubidium atoms (correct)
- Carbon atoms
- Hydrogen atoms
- Oxygen atoms
What happens to a large fraction of bosons in a Bose–Einstein condensate?
What happens to a large fraction of bosons in a Bose–Einstein condensate?
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Who shared the Nobel Prize in Physics in 2001 for the achievement of Bose-Einstein condensation in dilute gases of alkali atoms?
Who shared the Nobel Prize in Physics in 2001 for the achievement of Bose-Einstein condensation in dilute gases of alkali atoms?
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Study Notes
Bose-Einstein Condensate (BEC)
- A state of matter that occurs at extremely low temperatures, near absolute zero (0 K).
- First predicted by Satyendra Nath Bose and Albert Einstein in the 1920s.
Discovery of BEC
- First created in 1995 by Eric Cornell and Carl Wieman at the University of Colorado at Boulder.
- They used rubidium (Rb) atoms to create the first BEC.
Properties of BEC
- In a BEC, a large fraction of bosons occupy the lowest energy level.
Nobel Prize in Physics 2001
- Eric Cornell, Wolfgang Ketterle, and Carl Wieman shared the Nobel Prize in Physics in 2001.
- They were awarded for their achievement of Bose-Einstein condensation in dilute gases of alkali atoms.
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