Vacuum Response to Cosmic Stretching
نویسنده
چکیده
The Einstein equation of the general relativity (1) postulates a balance between the spacetime curvature and the energy-momemtum. Initially, Einstein introduced the cosmological constant (CC) Λ into the equation to make the steady state cosmology. When the expansion of the Universe was discovered, Einstein dismissed CC as his greatest blunder. Recent observations of the type Ia supernovae [1,2] suggest the accelerated expansion of the Universe (AU), which renewed interest to CC. However, there is a problem with Λ, which has dimension L. In the classical theory we can not construct a scale from the gravitational constant G and the velocity of light c. In the quantum theory the Plank constant h leads to the Plank scale LP = ( Gh c ) 1
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