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Probing Quantum Magnetism with Near Absolute Zero SU(N) Atoms

By Amal Pushp, Affiliate Physicist at the Resonance Science Foundation

Absolute zero is the temperature at which all physical dynamics come to a halt. The laws of physics however do not allow us to attain absolute zero. This fact unfolds from a fundamental feature of quantum mechanics according to which fluctuations are always occurring at the quantum level and the quantum particles always have enough energy to continue their dynamical motion unlike in a classical system. Such a system contains quantum mechanical energy even at absolute zero and this energy is technically called zero-point energy. However, physicists can achieve temperatures close to absolute zero in an advanced laboratory. Examples where working near absolute zero is common include quantum phenomena like Bose-Einstein condensation, superconductivity, superfluidity, etc.

Now in yet another situation, physicists from Japan and the US have succeeded in cooling atoms of Ytterbium (an element also used in making atomic...

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