Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-01-22
Physics
High Energy Physics
High Energy Physics - Theory
29 pages, Latex
Scientific paper
We study generalized uncertainty principle through the basic concepts of limit and Fourier transformation and analyze both the quantum theory of gravity and string theory from the perspective of complex function theory. Motivated from the noncommutative nature of string theory, we have proposed a UV/IR mixing dependent function $ \tilde{\delta}(\Delta x,\Delta k, \epsilon) $. For a given $ \tilde{\delta}(\Delta x,\Delta k, \epsilon) $, we arrived at the string uncertainty principle from the analyticity condition of a complex function, which depends upon UV cut-off of the theory. This non trivially modifies the quantum measurements, black hole physics and short distance geometries. The present analysis is based on the postulate that the Planck scale is the minimal length scale in nature. Furthermore, our consideration is in perfect agreement with the existence of the maximum length scale in nature. Both of the above length scales rely only upon the analysis of $ \tilde{\delta}(\Delta x,\Delta k, \epsilon) $ and do not directly make use of any specific structure of the theory or Hamiltonian. The Regge behavior of the string spectrum and the quantization of the horizon area of a black hole are natural consequences of the function $ \tilde{\delta}(\Delta x,\Delta k, \epsilon) $. It is hereby anticipated that $ \tilde{\delta}(\Delta x,\Delta k, \epsilon) $ contains all possible corrections operating in nature, and thus a promising possibility to reveal important clues towards the geometric origin of $M$-theory.
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