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Results tagged with quantum-field-theory
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user 220348
Quantum Field Theory (QFT) is the theoretical framework describing the quantisation of classical fields which allows a Lorentz-invariant formulation of quantum mechanics. QFT is used both in high energy physics as well as condensed matter physics and closely related to statistical field theory. Use this tag for many-body quantum-mechanical problems and the theory of particle physics. Don’t combine with the [quantum-mechanics] tag.
-2
votes
Perturbative non-renormalizability of brane action
The curvature has dimensions (length)^−2
, and therefore the D-dimensional
Newton constant G_D must have dimension (length)^D−2
. This is proportional
to the square of the gravitational coupling const …
- 99
-5
votes
Why is it hard to give a lattice definition of string theory?
M theory and string theory both have propogators and Feynman diagrams.
The concrete form of the propagators can be easily
obtained, since the problem can be mapped onto the problem of finding the
prop …
- 99