What is the most complex type of physics?
Since quantum theory the most difficult theory of modern physics is quantum field theory.
Why is string theory complicated?
The reason why string theories are so complicated is because they are wrong and quite bad. For example, the Universe has 4 dimensions, but string theory requires 10 dimensions or 26 dimensions.
What branch of physics is string theory?
string theory, in particle physics, a theory that attempts to merge quantum mechanics with Albert Einstein’s general theory of relativity.
Does string theory complete physics?
In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. String theory describes how these strings propagate through space and interact with each other. Thus string theory is a theory of quantum gravity.
What is the hardest theory in physics?
- Quantum Gravity. The biggest unsolved problem in fundamental physics is how gravity and the quantum will be made to coexist within the same theory.
- Particle Masses.
- The “Measurement” Problem.
- Turbulence.
- Dark Energy.
- Dark Matter.
- Complexity.
- The Matter-Antimatter.
What makes string theory attractive to physicists?
One reason many physicists find string theory attractive is that it is highly constrained. It is only dependent on one dimensionless parameter, the string length . In contrast, the Standard Model of particle physics relies on nineteen dimensionless free parameters that set the particle masses and force strengths.
Is string theory a quantum theory?
String theory is a quantum theory in that the mass spectrum of strings is discrete, so string theory is an example of a quantum theory of gravity. Oscillations of the closed string. One reason many physicists find string theory attractive is that it is highly constrained. It is only dependent on one dimensionless parameter, the string length .
Is string theory a complete theory of gravity?
String Theory works very well as a perturbative theory of gravitons that appears to be finite at all orders, but there is no full proof that it is a complete theory of quantum gravity. It requires matter and gauge fields with supersymmetry to avoid anomalies. The size of gauge groups suggests that it could potentially include the standard model.
What are particles in string theory?
Particles in string theory are identified with particular patterns of vibration of a one-dimensional elementary object called a string. String theory is a quantum theory in that the mass spectrum of strings is discrete, so string theory is an example of a quantum theory of gravity.