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IPFS News Link • Science

Fundamental Quantum Theorem Applies to Temperatures Beyond Absolute Zero

• arclein

Although the adiabatic theorem has been refined and improved since Born and Fock's time, its major limitation was that it worked only for the so called pure states but not all quantum states. This means that it could be applied to systems at absolute zero only but never at finite temperatures. In our museum example, the tour could go off without a hitch only if the class consisted of well-behaved straight-A pupils, which is hardly possible in real life. Just as there can be no class without naughty kids, there can be no strictly zero temperature.


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