Abstract
We developed a coupled channel framework connecting the quark model and lattice QCD to systematically investigate the inner structures of the four lowest P-wave Ds states. The cs¯ core and D(⁎)K channels were considered. The possible coupling of cs¯ with the D(⁎)K channel and the channel-channel potentials were described by the quark-pair creation model and the light meson exchanging model, respectively. The lattice QCD data was treated as input by using the hamiltonian effective field theory. Our results showed that the physical Ds0⁎(2317) and Ds1⁎(2460) contain important bare cs¯ core and D(⁎)K component, while the Ds1⁎(2536) and Ds2⁎(2573) are almost the cs¯ mesons.
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