## Electron

The **electron** (symbol: e−) is a subatomic particle with a negative elementary electric charge.

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### Some articles on electron:

Fock Matrix

... Hartree-Fock method of quantum mechanics, the Fock matrix is a matrix approximating the single-

... Hartree-Fock method of quantum mechanics, the Fock matrix is a matrix approximating the single-

**electron**energy operator of a given quantum system in a given set of basis vectors ... It includes the effects of**electron**-electron repulsion only in an average way ... Importantly, because the Fock operator is a one-**electron**operator, it does not include the**electron**correlation energy ...Inelastic Mean Free Path

... The inelastic mean free path (IMFP) is an index of how far an

... The inelastic mean free path (IMFP) is an index of how far an

**electron**can travel through a solid before losing energy ... If a monochromatic primary beam of**electrons**is incident on a solid surface, the majority of incident**electrons**lose their energy because they interact strongly ... The intensity of the primary**electrons**, I0, is damped as a function of the distance, d, into the solid ...Generalizations of Koopmans' Theorem - Koopmans' Theorem For

... that Koopmans' theorem also allows the calculation of

**Electron**Affinities... that Koopmans' theorem also allows the calculation of

**electron**affinities as the energy of the lowest unoccupied molecular orbitals (LUMO) of the ... the original statement of Koopmans' to calculate the**electron**affinity in this sense ... Calculations of**electron**affinities using this statement of Koopmans' theorem have been criticized on the grounds that virtual (unoccupied) orbitals do not have well-founded physical interpretations ...One-

... The one-

**electron**Universe... The one-

**electron**universe hypothesis, commonly associated with Richard Feynman when he mentioned it in his Nobel lecture, postulates that there exists only ...**Electron**- Plasma Applications - Other Applications

... In the free-

**electron**laser (FEL), a relativistic

**electron**beam is passed through a pair of undulators containing arrays of dipole magnets, whose fields are ... The

**electrons**emit synchrotron radiation, which, in turn, coherently interacts with the same

**electrons**...

**Electrons**are at the heart of cathode ray tubes, which have been used extensively as display devices in laboratory instruments, computer monitors and television sets ...

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