Hartree units

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• Hartree-Fock — In computational physics and computational chemistry, the Hartree Fock (HF) method is an approximate method for the determination of the ground state wavefunction and ground state energy of a quantum many body system.The Hartree Fock method… …   Wikipedia

• Units of energy — Because energy is defined via work, the SI unit for energy is the same as the unit of work ndash; the joule (J), named in honour of James Prescott Joule and his experiments on the mechanical equivalent of heat. In slightly more fundamental terms …   Wikipedia

• Natural units — In physics, natural units are physical units of measurement based only on universal physical constants. For example the elementary charge e is a natural unit of electric charge, or the speed of light c is a natural unit of speed. A purely natural …   Wikipedia

• Douglas Hartree — Douglas Rayner Hartree PhD, FRS (27 March 1897 – 12 February 1958) was an English mathematician and physicist most famous for the development of numerical analysis and its application to the Hartree Fock equations of atomic physics and the… …   Wikipedia

• Atomic units — (au) form a system of units convenient for atomic physics, electromagnetism, and quantum electrodynamics, especially when the focus is on the properties of electrons. There are two different kinds of atomic units, which one might name Hartree… …   Wikipedia

• Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors …   Wikipedia

• Non-SI units mentioned in the SI — This is a list of units that are not defined as part of the International System of Units (SI), but are otherwise mentioned in the SI[1][2], because either the General Conference on Weights and Measures (CGPM) accepts their use as being multiples …   Wikipedia

• Wave function — Not to be confused with the related concept of the Wave equation Some trajectories of a harmonic oscillator (a ball attached to a spring) in classical mechanics (A B) and quantum mechanics (C H). In quantum mechanics (C H), the ball has a wave… …   Wikipedia

• Differential analyser — This article is about analogue differential analysers. For the digital implementation, see Digital Differential Analyzer. Thomson disc and sphere analyser for studying tides The differential analyser is a mechanical analogue computer designed to… …   Wikipedia

• Schrödinger equation — For a more general introduction to the topic, please see Introduction to quantum mechanics. Quantum mechanics …   Wikipedia

• Systems of measurement — A system of measurement is a set of units which can be used to specify anything which can be measured and were historically important, regulated and defined because of trade and internal commerce. Scientifically, when later analyzed, some… …   Wikipedia