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Compositeness of bound states in chiral unitary approach · Around

2010

Compositeness of bound states in chiral unitary approach

Hyodo, Tetsuo, Jido, Daisuke, Hosaka, Atsushi

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We study the structure of dynamically generated bound states in the chiral unitary approach.

The compositeness of a bound state is defined through the wavefunction renormalization constant in the nonrelativistic field theory.
We apply this argument to the chiral unitary approach and derive the relation between compositeness of the bound state and the subtraction constant of the loop integral.
The compositeness condition is fairly compatible with the natural renormalization scheme, previously introduced in a different context.

Built on

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J. A. Oller, and U. G. Meissner, Phys. Lett. B500
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M. F. M. Lutz, and E. E. Kolomeitsev, Nucl. Phys. A700
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T. Hyodo, D. Jido, and A. Hosaka, in preparation
Cited in the paper.

Then

T. Hyodo, D. Jido, and A. Hosaka, Phys. Rev. Lett. 97
2006
Later among the works it cites.
T. Hyodo, D. Jido, and A. Hosaka, Phys. Rev. D75
2007
Later among the works it cites.
T. Hyodo, D. Jido, and A. Hosaka, Phys. Rev. C78
2008
Later among the works it cites.

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