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Results tagged with statistical-mechanics
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user 224477
The study of large, complicated systems employing statistics and probability theory to extract average properties and to provide a connection between mechanics and thermodynamics.
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Existence of gap when the first energy level has an infinite degeneracy
Consider a Hamiltonian $H_N$ on a finite system with the following properties:
It has a unique ground state
The first excited energy level has a degeneracy $N$ (there are $N$ eigenstates for the firs …
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