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General physics
Terms realting to physics that are not fit for other subcategories.
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General physics
Variational method
Physics; General physics
In quantum mechanics, the variational method is one way of finding approximations to the lowest energy eigenstate or ground state, and some excited states. This allows calculating approximate wave ...
Wigner–Eckart theorem
Physics; General physics
The Wigner–Eckart theorem is a theorem of representation theory and quantum mechanics. It states that matrix elements of spherical tensor operators on the basis of angular momentum eigenstates can be ...
Valence bond theory
Physics; General physics
In chemistry, valence bond (VB) theory is one of two basic theories, along with molecular orbital (MO) theory, that were developed to use the methods of quantum mechanics to explain chemical bonding.
Identical particles
Physics; General physics
Identical particles, also called indistinguishable or indiscernible particles, are particles that cannot be distinguished from one another, even in principle.
Hilbert space
Physics; General physics
The mathematical concept of a Hilbert space, named after David Hilbert, generalizes the notion of Euclidean space.
Wave function
Physics; General physics
A wave function is a probability amplitude in quantum mechanics describing the quantum state of a particle and how it behaves.
Quantum tunneling
Physics; General physics
Quantum tunneling refers to the quantum mechanical phenomenon where a particle tunnels through a barrier that it classically could not surmount.
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