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Holographic energy density in the Brans-Dicke teory
Hungsoo Kim, H. W. Lee, Y. S. Myung
We study cosmological applications of the holographic energy density. Considering the holographic energy density as a dynamical cosmological constant, we need the Brans-Dicke theor…
Dilatonic tachyon in Kerr-de Sitter space
Y. S. Myung, H. W. Lee
We study the dynamical behavior of the dilaton in the background of three-dimensional Kerr-de Sitter space which is inspired from the low-energy string effective action. The Kerr-d…
Noncommutative spacetime and the fractional quantum Hall effect
Y. S. Myung, H. W. Lee
We propose the two formalisms for obtaining the noncommutative spacetime in a magnetic field. One is the first-order formalism and the other is the second-order formalism. Although…
Noncommutative Geometry and Anyonic Field Theory in the Magnetic Field
H. W. Lee, Y. S. Myung
We consider an easy way to get the noncommutative spacetime in Minkowski space. This corresponds to introducing a magnetic field in the plane. We c…
New gauge bosons and logarithmic corrections in an exact AdS
Jin Young Kim, H. W. Lee, Y. S. Myung
We calculate the absorption cross section by studying the spin--dependent wave equation in three-dimensional anti-de Sitter space(AdS). Here the AdS/CFT correspondence is used.…
Greybody Factors in the /CFT Correspondence
H. W. Lee, Y. S. Myung
We propose a new method to calculate the greybody factor in the . This is based on both the non-normalizable modes of a test field() and /CFT correspondence. Suc…