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    • Oliver Thewalt

      A temperature below absolute zero

      ...mpossible in physics: a minus temperature. On the Celsius scale minus t...ng in summer. On the absolute temperature scale, which is used by physi...lues. These negative absolute temperatures have several apparently absu...he kinetic energy at positive temperatures. Physicists at the LMU and t...

      • Oliver Thewalt

        Zero is not a constant - discussion in Group Grand Unification Theories in Physics - Facebook

        ...liver Thewalt by an inverse Boltzmann distribution there are temperatures below zero Kelvin, temperature is not energy! zero is not a...en quite a day.   Research | Research news | 2013 | A temperature below absolute zero www.mpg....

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        • Oliver Thewalt

          Inverse Boltzmann Distribution

          Image Courtesy: LMU Munich, MPI, Prof. Dr. Immanuel Bloch Max Planck Institute of Quantum Optics, Garching

          • Oliver Thewalt

            Negative Temperatures in optical lattices

            ...h/MPI GarchingNegative Absolute Temperature for Motional Degrees of Freed...ubmitted on 2 Nov 2012)Absolute temperature, the fundamental temperature...l conditions, however, negative temperatures - where high-energy states a...of ultracold bosons at negative temperature that is stable against collap...

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            • Oliver Thewalt

              Quantum Virtual Cooling

              ...ntum information based scheme to reduce the temperature of quantum many-body systems,...ts on multiple copies of a system at finite temperature can simulate measurements of...ive measurements to access a lower, virtual temperature. Our protocol is experimental...

              • Oliver Thewalt

                The journey to the other side of absolute zero

                ...cold atoms have measured temperatures that are, in fact, negative in absolute temperature scale. The journey there, ho...nfinitely hot! Understanding temperature The concept of temperat...rdered, thus increasing their temperature. But under certain very...

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