A discrete adjoint state method, built on a second-order fast marching solver, provides self-consistent gradients for velocity and source location in eikonal traveltime tomography and enables deterministic and probabilistic inversion.
Potential Model for $\Sigma_{u}^{-}$ Hybrid Meson State
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abstract
In this paper, lattice simulations are used to propose a potential model for gluonic excited $\Sigma^-_u$ states of bottomonium meson . This proposed model is used to calculate radial wave functions, masses and radii of $\Sigma_u^-$ bottomonium hybrid mesons. Here, gluonic field between a quark and an antiquark is treated as in the Born-Oppenheimer expansion, and Schr$\ddot{o}$dinger equation is numerically solved employing shooting method. Results of calculated masses for $\Sigma^-_{u}$ state are in quite good agreement with the lattice simulations.
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physics.geo-ph 1years
2025 1verdicts
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A discrete adjoint method for deterministic and probabilistic eikonal-equation-based inversion of traveltime for velocity and source location
A discrete adjoint state method, built on a second-order fast marching solver, provides self-consistent gradients for velocity and source location in eikonal traveltime tomography and enables deterministic and probabilistic inversion.