Immirzi Parameter - The Reality Conditions

The Reality Conditions

The Immirzi parameter arises in the process of expressing a Lorentz connection with noncompact group SO(3,1) in terms of a complex connection with values in a compact group of rotations, either SO(3) or its double cover SU(2). Although named after Giorgio Immirzi, the possibility of including this parameter was first pointed out by Fernando Barbero. The significance of this parameter remained obscure until the spectrum of the area operator in LQG was calculated. It turns out that the area spectrum is proportional to the Immirzi parameter.

Read more about this topic:  Immirzi Parameter

Famous quotes containing the words the reality, reality and/or conditions:

    The difference between Pound and Whitman is not between the democrat who in deep distress could look hopefully toward the future and the fascist madly in love with the past. It is that between the woodsman and the woodcarver. It is that between the mystic harking back to his vision and the artist whose first allegiance is to his craft, and so to the reality it presents.
    Babette Deutsch (1895–1982)

    There is a moment when nothing can be wiped out and left behind any more, when there is only reality—and reality is horrifying.
    Friedrich Dürrenmatt (1921–1990)

    The depth and strength of a human character are defined by its moral reserves. People reveal themselves completely only when they are thrown out of the customary conditions of their life, for only then do they have to fall back on their reserves.
    Leon Trotsky (1879–1940)