optical Bose-Einstein condensate

#GS3 Science and Technology


News info:

University of Bonn scientists have reported a hitherto unknown phase transition in an optical Bose-Einstein condensate called the overdamped phase. 

The study which has been published in Science may be relevant for encrypted quantum communication

Bose-Einstein condensate

  • Bose-Einstein condensates (BECs) -- the existence of which was predicted by Albert Einstein and Indian mathematician Satyendra Nath Bose almost a century ago -- are formed when atoms of certain elements are cooled to near absolute zero (0 Kelvin, minus 273.15 Celsius).
  • At this point, the atoms become a single entity with quantum properties, wherein each particle also functions as a wave of matter.
  • BECs straddle the line between the macroscopic world governed by forces such as gravity and the microscopic plane, ruled by quantum mechanics.
  • Scientists believe BECs contain vital clues to mysterious phenomena such as dark energy -- the unknown energy thought to be behind the Universe's accelerating expansion.
  • NASA Scientists observed the “fifth state of matter” in space aboard the International Space Station (ISS) for the first time.

Source: The Hindu

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