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18 papers · 1 filter
Subleading Corrections to Semileptonic Lambda_c Decays
Guey-Lin Lin, Thomas Mannel
The semileptonic decay is considered in the framework of heavy quark effective theory beyond the leading order in the expansion. According to our estimate…
Edge States in Strong Magnetic Field
I. Bartos, B. Rosenstein
Energies and wave functions of edge states in twodimensional electron gas are evaluated for a finite step potential barrier model. The spectrum exhibits richer structure than obser…
Is Schrödinger's Conjecture for the Hydrogen Atom Coherent States Attainable
Ivaylo Zlatev, Wei-Min Zhang, Da Hsuan Feng
We construct the most general SO(4,2) hydrogen atom coherent states which are the counterpart of Schrödinger's harmonic oscillator coherent states. We show that these states cannot…
Graviton Mode Function in Inflationary Cosmology
Kin-Wang Ng
We consider the production of gravitons in an inflationary cosmology by approximating each epoch of change in the equation of state as sudden, from which a simple analytic graviton…
Exact Calculation of , \
K. Adel, York-Peng Yao
We present an exact calculation of the Wilson coefficients associated with the dipole moment operators. We also give an estimate of the branching ratio for …
Corrections to Chiral Dynamics of Heavy Hadrons: (I) 1/M Correction
H. Y. Cheng, C. Y. Cheung, G. L. Lin +3
In earlier publications we have analyzed the strong and radiative decays of heavy hadrons in a formalism which incorporates both heavy-quark and chiral symmetries. In particular, w…