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Tachyons:Explaination

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What is Tachyons?

We all know that nothing can be faster than light, maybe in future scientist will find anything which will be the faster than light and that will be the TACHYONS. Tachyons are the particles which existed only in the theory. And according to some physists getting these TACHYONS chances are very less.



TACHYONS means "those particles which are faster than light", are the hypothetical subatomic particles which are always greater than the light. The idea of that particles which are faster than the light is given by 3 INDIAN SCIENTIST:
1- O.M.P. Bilanuik
2- V.K. Deshpande
3- E.C.G Sudarshan
and name given for that particles is "META-PARTICLES". But later a foreign scientist came in picture with the name "Particles which are faster than light" , these particles are named as TACHYONS. 

According to the Einstein theory of the special relativity speed of the light is the highest speed of the universe. And according to the some theory if the speed of an object is faster than the speed of the light ever in its life then that obejct's speed will always faster than the light. And if the speed of an object is less than the speed of the light ever in its life then that object will never achieve the speed of the light or greater.



Special theory of Relativity


NOTE: When an object travels faster than light then it experienced the Length Contraction and Time Dilation and change in the mass.

Expected properties of the TACHYONS:

  1. Their rest mass, proper length and proper time will be imaginary.
  2.  The speed of the TACHYONS increases as it's energy decreases.
  3. TACHYONS loses its speed when energy is supplied to them (the minimum speed that they can achieve is the speed of the light).
  4. TACHYONS will allow you to send message to the past (because they can travel faster than light).
As second point says the speed of the TACHYONS increases as it's energy decreases that means TACHYONS loses its energy in the form of "CHERENKOV RADIATION". 

Lets do some maths:

if we take reliastic mass formula

m = m*/ (1 - v^2/c^2)^-1/2

if we take case of TACHYONS:

i) V>C ()

then we got the negative (-) value always.


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