Laser Gravity: Can a Laser Pull Gently?

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SUMMARY

A powerful laser beam does exert a gravitational pull due to its mass-energy contribution, although this effect is negligible. The discussion emphasizes that higher frequency and brightness of the laser would enhance this gravitational effect. Participants suggest calculating the gravitational tug and recommend studying pp wave spacetimes for a deeper understanding. Additionally, the term "kugelblitz" is highlighted as a relevant concept for further exploration.

PREREQUISITES
  • Understanding of mass-energy equivalence in physics
  • Familiarity with gravitational fields and their generation
  • Knowledge of pp wave spacetimes
  • Basic concepts of laser physics and frequency effects
NEXT STEPS
  • Calculate the gravitational pull of a laser beam using Einstein's mass-energy equivalence
  • Study pp wave spacetimes in detail to understand their implications
  • Research the concept of "kugelblitz" and its relevance in gravitational physics
  • Explore the relationship between laser frequency, brightness, and gravitational effects
USEFUL FOR

Physicists, students of gravitational theory, and anyone interested in the intersection of laser technology and gravitational physics.

fishin_kitten
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Would the beam of a powerful laser have any gravitational tug?
 
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Sure. All mass/energy contributes to the generation of gravitational fields. However, it would likely be immeasurably tiny. Why don't you try calculating it?
 
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phyzguy said:
Sure. All mass/energy contributes to the generation of gravitational fields. However, it would likely be immeasurably tiny. Why don't you try calculating it?
God I wish I could! I don't have the tools.
Obviously higher frequency and brightness would up the pull. Your answer helped reinforce my thought thanx
 
You would need to read up on pp wave spacetimes for details.
 
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Dale said:
You would need to read up on pp wave spacetimes for details.
I'm on it thanx
 
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You also might research the theories behind the term, "kugelblitz".
 

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