Hi ProfPAt
Would strings be able to withstand such a huge temperature or would it still breakdown to even more fundamental objects? Actually if we understand how the cap on the lower limit is put, we would understand if there is a higher limit for temperature..
Hi Dipayankar;
The only thing more fundamental than a one dimensional planck length string would be a point.
Now maybe before the "big bang" when everything was in the little universal ball or point, were other points. But once the explosion I thought the points would stretch out to little tiny strings or lines. I don't know of anything between a dimensionless point and a 1 dimensional string. There is nothing in between is there? No missing link.
Keep up the questions.
Best to you,
Pat
Last edited by Profpat; 12-19-2007 at 05:58 PM.
Reason: spelling
I think the link between the points and strings might be the "time" you had said you were omitting at this point.
If the points literally stretched, like you said, then the unified epoch would expand into a membrane and any line of extension along the membrane would consist of wriggling strings.
Conversely, strings could be likened to EM waves, and the points would ride the waves like photons; of which interactions would form the point masses of electrons and positrons.
You are right of course, time and motion have to be reinstated in our conversation if we are talking about a process which takes time. My mistake for trying to defer it to another time. The time is right to bring in time, which began with the "big bang".
Could you expand the discussion on the interactions forming the electron/positron. I'm a little confused on that point.
Based on the experiments done at SLAC, going as far back as mid 90’s, I propose everything in nature consists solely of variable forms of light. High-energy photons create particle pairs, and particle pairs annihilate into photons. They are essentially the same particles, or wavicles if you prefer.
I also opt for a photon-graviton interaction because gravity is explained in the process. An adequate analogy might be whirlpools forming in water from a linear force through the water. The inertial forces resulting due to acceleration create the two gravitational masses.
You're right mass=energy, but there is a distinction between mass, ( protons, neutrons, electrons ), from photons, a 2 dimensional transverse energy wave. But the proton, for all purposes, is an eternal massive particle, and it along with the neutron and electron is the true building block of our luminious universe.
I don't know if saying everything is a form of energy helps us to understand our universe. I think classifications of the differences is an aid to our understanding of our environment.
It's like saying everything is a thing; true philosophically, but distinction helps to understand how trees are different from people, who are different from dogs, who are different from cats, etc.
Exactly, Pat. The difference is the same difference between fermions and bosons. Both different forms of the same energy, where gravity is the bonding force of massive particles, and light is the result of their decay.
Tell me Nobody, how can dimensionless strings create a single dimension string??
Quote:
Originally Posted by N0B0DY
"But maybe two blind searchers, with perhaps the help of others, both sighted and blind, will be able to figure out that the elephant is an elephant, and not a tree or snake or fan."
I reckon it's a rope, Pat, which from a distance would behave as a string. Though as a starting "point" I would propose the non-dimensional type.
Similar to ZPE, counter-intuitively extending from both ends of the Energy Spectrum, the infinitesimal points covering the World Sheet or Field link both ends of the Spectrum to any and every other point. Sort of like a quid pro quo ex nihilo.
Tell me Nobody, how can dimensionless strings create a single dimension string??
From my perspective, Dipayankar, String 'theory' hasn't any dimensions to suspend itself from - it's 'New Age' plugging for what isn't understood.
W'out a minimum of 3 dimensions, there is no manifestation in metric (real) space.
Best regards,
- RP
__________________ (George Berkeley, 1710) ... lay the beginning in a distinct explication of what is meant by thing, reality, existence: for in vain shall we dispute concerning the real existence of things, or pretend to any knowledge thereof, so long as we have not fixed the meaning of those words.
"All things come out of the one and the one out of all things." - Heraclitus "Reality is an illusion - albeit a persistent one." - Einstein "Particles give me a headache." - Ibid
Tell me Nobody, how can dimensionless strings create a single dimension string??
Strings do have dimensions. They are attached to the three dimensional brane that is our universe at a single point, and thus appear to us to be zero dimensional.
__________________ ~neutralino
If you haven't found something strange during the day, it hasn't been much of a day - John A. Wheeler.