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UnkleRhaukus Group Title

How is there such a thing as Negative Temperature?

  • 2 years ago
  • 2 years ago

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  1. TuringTest Group Title
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    In Kelvin?

    • 2 years ago
  2. UnkleRhaukus Group Title
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    yeah, negative energies and LASERs

    • 2 years ago
  3. UnkleRhaukus Group Title
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    dosent make much sense to me at the moment

    • 2 years ago
  4. Vibhor16 Group Title
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    There is no such thin as negative temperature/energy.We just take a measurement as standard limit and if the temperature/energy is below the standard limit it is represented in negative.For example:-standard limit of temperature is 0 degree Celsius(freezing point of water) but for scientific use we take kelvin(+273).

    • 2 years ago
  5. Ricardo_95 Group Title
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    Negative temperature is a statistical mechanical concept - for more information see the book Física Molecular of Kikoin and Kikoin

    • 2 years ago
  6. UnkleRhaukus Group Title
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    ok so ive done a lil bit of research, and it turns out that when there is an inversion layer (the electrons are more likely to be in the excited state ) this is called negative temperature. it kinda makes sense because heat will flow from the specie at negative temp. It gets a bit confusing when you also have a high energy state (positive temp), because the high energy state will be receiving the heat flow form the negative temperature specie. If a specie is in a negative temperature state it effectively has more energy that any positive state. Without negative temperature , LASERs would not be possible

    • 2 years ago
  7. UnkleRhaukus Group Title
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    cool stuff

    • 2 years ago
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