Self-adjoint operator/Related Articles

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• Adjoint (operator theory) [r]: The adjoint of an operator A is the operator A* satisfying ⟨u, Av⟩ = ⟨A*u, v⟩. ^[e]
• Energy (science) [r]: A measurable physical quantity of a system which can be expressed in joules (the metric unit for a quantity of energy) or other measurement units such as ergs, calories, watt-hours or Btu. ^[e]
• Hermitian operator [r]: linear operator on an inner product space that is equal to its Hermitian adjoint; also called self-adjoint operator. ^[e]
• Hilbert space [r]: A complete inner product space. ^[e]
• Molecular Hamiltonian [r]: Quantum mechanical operator describing the energy associated with motions and interactions of the electrons and nuclei that constitute a molecule. ^[e]
• Quantum mechanics [r]: An important branch of physics dealing with the behavior of matter and energy at very small scales. ^[e]
• Trace (mathematics) [r]: Sum of diagonal elements of matrix; for linear operator T, the trace is Σ_k ⟨v_k|T|v_k⟩ where {v_k} is an orthonormal basis. ^[e]

Articles related by keyphrases (Bot populated)

• Quantum operation [r]: A mathematical formalism used to describe a broad class of transformations that a quantum mechanical system can undergo. ^[e]
• Inner product space [r]: A vector space that is endowed with an inner product and the corresponding norm. ^[e]
• Dirac delta function [r]: Sharply peaked function, generalization of the Kronecker delta; a distribution that maps a regular function onto a single function value. ^[e]
• Entropy (thermodynamics) [r]: Thermodynamic variable S appearing in the second law of thermodynamics. ^[e]