Are Gravity Waves Distortions of Space-Time That Create Gravitons?

Click For Summary
The discussion centers on the relationship between gravity waves and gravitons, questioning whether gravity waves, which are distortions of space-time, could be the same as the quantum particles known as gravitons. It is suggested that when a mass bends space-time and is nudged, this distortion propagates at the speed of light, potentially carrying energy as a gravity wave. The conversation acknowledges that while gravity is presumed to be quantized, a complete theory of quantum gravity is still lacking. It is clarified that a quantum description of gravity waves can indeed be referred to as gravitons, implying that they are excitations of a quantum field representing space-time. Ultimately, the dialogue explores the complexities of how gravity and its quantum aspects are understood in the context of modern physics.
Gal
Messages
5
Reaction score
0
If a mass bends space-time somehow and then I nudge it, the bend changes. This distortion of space-time bend is supposedly expanding at the speed of light and could be called a "gravity wave" that carries energy. Why is this wave not the distortion that creates a "graviton" like EM and photons?
 
Physics news on Phys.org
Gal said:
Why is this wave not the distortion that creates a "graviton" like EM and photons?

Why do you phrase this in the negative?

We presume that gravity is quantized, although we currently don't have a working theory of quantum gravity. "Graviton" is our name for the quantum of the gravitational field.
 
Gal said:
If a mass bends space-time somehow and then I nudge it, the bend changes. This distortion of space-time bend is supposedly expanding at the speed of light and could be called a "gravity wave" that carries energy. Why is this wave not the distortion that creates a "graviton" like EM and photons?
Actually it is. Roughly speaking, a quantum description of gravity wave is called graviton.
 
Demystifier said:
Actually it is. Roughly speaking, a quantum description of gravity wave is called graviton.
But is space-time a quantum field? Do gravitons theoretically excite this "field"?
 
Gal said:
But is space-time a quantum field? Do gravitons theoretically excite this "field"?
The metric of space-time can be treated as a quantum field, in which case gravitons are excitations of this field.
 
MOVING CLOCKS In this section, we show that clocks moving at high speeds run slowly. We construct a clock, called a light clock, using a stick of proper lenght ##L_0##, and two mirrors. The two mirrors face each other, and a pulse of light bounces back and forth betweem them. Each time the light pulse strikes one of the mirrors, say the lower mirror, the clock is said to tick. Between successive ticks the light pulse travels a distance ##2L_0## in the proper reference of frame of the clock...

Similar threads

  • · Replies 14 ·
Replies
14
Views
1K
  • · Replies 58 ·
2
Replies
58
Views
4K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 2 ·
Replies
2
Views
1K
  • · Replies 33 ·
2
Replies
33
Views
2K
  • · Replies 58 ·
2
Replies
58
Views
6K
  • · Replies 5 ·
Replies
5
Views
1K
  • · Replies 8 ·
Replies
8
Views
2K