Jellium, also known as the uniform electron gas ( UEG) or homogeneous electron gas ( HEG ), is a quantum mechanical model of interacting electrons in a solid where the positive charges (i.e. atomic nuclei) are assumed to be uniformly distributed in space whence the electron density is a uniform quantity as well in space.

Jellium, also known as the uniform electron gas (UEG) or homogeneous electron gas (HEG), is a quantum mechanical model of interacting electrons in a solid where the positive charges (i.e. atomic nuclei) are assumed to be uniformly distributed in space; the electron density is a uniform quantity as well in space.

The spherical Jellium model provides the simplest approximation for the ionic background in the case of clusters: the detailed spatial distribution of the ions is replaced by a uniform positive charge distribution, i.e. jellium confined within a chosen spherical volume.

Free Electron Fermi Gas: a gas of free electrons subject to the Pauli Principle. Page 3. Valence electrons form the electron gas. ELECTRON GAS MODEL IN METALS.

The Jellium model envisions a cluster of atoms as a large atom. spherical positive charge distribution. A comparison of the energy levels of the hydrogen atom and those of the Jellium model of a cluster.

Jellium, also known as the uniform electron gas (UEG) or homogeneous electron gas (HEG), is a quantum mechanical model of interacting electrons in a solid where the positive charges (i.e. atomic nuclei) are assumed to be uniformly distributed in space; the electron density is a uniform quantity as well in space.

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At zero temperature, the properties of jellium depend solely upon the constant electronic density. This lends it to a treatment within density functional theory; the formalism itself provides the basis for the local-density approximation to the exchange-correlation energy density functional.