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Determinations of the couplings of $N N (n pi) (n geq 1)$ are reported. The study is based on both a quark model of nucleon and a chiral field theory of mesons. The coupling of $N N pi$ is predicted and is in agreement with current value. It shows that the coupling $ N N 2 pi $ is resulted in the nature that pion is a Goldstone boson. The couplings of $N N (n pi) (n geq 2)$ are predicted by this approach.
I present derivation of Luschers finite size formula for the elastic $Npi$ and the $NN$ scattering system for several angular momenta from the relativistic quantum field theory.
In the N=1 four-dimensional new-minimal supergravity framework, we supersymmetrise the coupling of the scalar kinetic term to the Einstein tensor. This coupling, although introduces a non-minimal derivative interaction of curvature to matter, it does
We investigate the subradiance properties of $ngeq 2$ multilevel fermionic atoms loaded into the lowest motional level of a single trap (e.g.~a single optical lattice site or an optical tweezer). As pointed out in our previous work [arXiv:1907.05541]
A famous example of gauge/gravity duality is the result that the entropy density of strongly coupled ${cal N}=4$ SYM in four dimensions for large N is exactly 3/4 of the Stefan-Boltzmann limit. In this work, I revisit the massless O(N) model in 2+1 d
We embed general solutions to 4D Einstein-Maxwell theory into $mathcal{N} geq 2$ supergravity and study quadratic fluctuations of the supergravity fields around the background. We compute one-loop quantum corrections for all fields and show that the