ghost (disambiguation)

Ghost can refer to:

A ghost is a supernatural entity usually thought to be the spirit of a person remaining on Earth after their death.

History

Ghosts is a play by the Norwegian playwright Henrik Ibsen.
Ghost is a series of comic books published by Dark Horse Comics featuring a superheroine by the name of Ghost.
A ghostwriter is an author who writes under someone else's name

In quantum field theory, ghosts are a auxiliary fields needed in non-abelian gauge theories in order to deal with the gauge freedom. Although they are real fields, ghosts follow fermionic statistics. They are only artifacts of the theory, and do not correspond to real particles.
Ghosts are also a name for the structures that form when blood is submerged in water. The red blood cells explode, leaving small spheres of phospholipids. These are the "ghosts".

A ghost is any image on a tv screen that doesn't belong to the programme in question.
Ghost is a computer disk cloning program.

Ghost is also the name for a mind hosted/trapped into a computer by the mean of mind uploading. Resulting symbiotes are called ghosts computers or ghostcomps. These names had been popularized by David Pulver in its GURPS books. See infomorph.

Hungry ghost realm is one of the realms of samsaric existence in Buddhist belief.
The Holy Ghost is another name for The Holy Spirit in most variations of the Christian religion.

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