- #1
Nusc
- 760
- 2
For a null particle, ds^2 = 0,
Timelike, ds^2 >0,
spacelike, ds^2 < 0,
how would you characterize the motion of each particle?
Timelike, ds^2 >0,
spacelike, ds^2 < 0,
how would you characterize the motion of each particle?
How have you attempted to answer this question? What are the relevant formulae?Nusc said:For a null particle, ds^2 = 0,
Timelike, ds^2 >0,
spacelike, ds^2 < 0,
how would you characterize the motion of each particle?
Ibix said:How have you attempted to answer this question? What are the relevant formulae?
Yes. Note that tachyons are purely hypothetical.Nusc said:Null Particles move at speed c, time-like particles move at speed slower than c, space-like move faster than c (tachyons)
They are the trajectories of something. What do you think?Nusc said:I only mentioned the speed, but not the trajectory. What are null trajectories?
How would you do what?Nusc said:How would you do this in 4 D though?
Nusc said:Null Particles move at speed c, time-like particles move at speed slower than c, space-like move faster than c (tachyons)
Null particles travel at the speed of light and do not experience time or distance. Timelike particles travel slower than the speed of light and experience both time and distance. Spacelike particles travel faster than the speed of light and do not experience time, but can travel through space.
No, particles are classified based on their inherent properties and cannot change from one type to another.
Null particles have no effect on space-time, timelike particles can cause changes in space-time through their motion, and spacelike particles can create distortions in space-time.
Null particles do not interact with other particles, timelike particles can interact through forces such as gravity, and spacelike particles can only interact with other particles at the speed of light.
Yes, particles with different types can coexist in the same space-time. However, they may not interact with each other depending on their type.