It was argued in \cite{DallAgata:2022abm} that the Volkov-Akulov (VA) model as well similar models supergravity and related KKLT string theory, suffer from tachyonic instabilities due to goldstino condensation. The authors of constructed a specific with two unconstrained interacting chiral superfields linearly realized supersymmetry which has an unstable vacuum. They claimed this becomes equiva...

the silver spr chip was modified by alkaline-silane condensation with aminopropyltriethoxysilane (aptes) in naoh aqueous solution at different times. silver sputtered slides coated with aptes were immersed in naoh solution, enabling us to produce silver surfaces homogeneously covered with aptes. the surface properties of grafted aptes on sputtered silver surface as a occasion of time were studi...

vilsmeier several diamide derivatives containing 2-chloroquinoline scaffolds were synthesized via ugi reaction of 2-chloroquinoline-3-carboxaldehydes, amines, carboxylic acids and isocyanides. the diversity of these quinolinyl ugi-adducts was increased by using 2-chloroquinoline-3-carboxylic acids as a source of acid. among them, compounds 2d, 2n, 2p, 4a, 4c and 4e displayed moderate to good an...

introduction: for a successful root canal treatment, canal must be obturated apically, coronally and laterally to prevent microleakage and canal reinfection. cold lateral condensation is the most popular method of canal obturation; an easy method with a controlled filling. cold lateral technique disadvantages are presence of void, possible vertical root fracture, and absence of a homogenous and...

We consider the quasi-static Biot's consolidation model in a three-field formulation with three unknown physical quantities of interest being displacement $\boldsymbol{u}$ solid matrix, seepage velocity $\boldsymbol{v}$ fluid and pore pressure $p$. As conservation mass is leading principle poromechanics, we preserve this property using an $\boldsymbol{H}(\operatorname{div})$-conforming ansatz f...

A new final endpoint of complete gravitational collapse is proposed. By extending the concept Bose–Einstein condensation to systems, a static, spherically symmetric solution Einstein’s equations obtained, characterized by an interior de Sitter region p=−ρ vacuum condensate and exterior Schwarzschild geometry arbitrary total mass M. These are separated phase boundary with small but finite thickn...

In this paper, we present a pressure-robust enriched Galerkin (EG) scheme for solving the Stokes equations, which is an enhanced version of EG problem proposed in Yi et al. (2022). The pressure-robustness achieved by employing velocity reconstruction operator on load vector right-hand side discrete system. An priori error analysis proves that independent pressure and viscosity. We also propose ...