Numerical calculation on energy of static soliton solution for KdV equation
TB Prayitno, E Budi - American Institute of Physics …, 2021 - ui.adsabs.harvard.edu
We calculated the energy of the static soliton solution of the KdV equation numerically by
using the Hamiltonian density within the classical field approach. This approach can be …
using the Hamiltonian density within the classical field approach. This approach can be …
Physical problem in interpreting classical energy of soliton of sine Gordon equation
TB Prayitno, E Budi, S Sunaryo… - Journal of Physics …, 2021 - iopscience.iop.org
The classical energy of soliton of sine Gordon equation was evaluated by using the
Hamiltonian density. We classify the condition at which the energy will be either convergent …
Hamiltonian density. We classify the condition at which the energy will be either convergent …
Imposed conditions to make gauge invariance in Gross-Pitaevskii equation with time-dependent potential
TB Prayitno, W Widyanirmala, I Astra… - AIP Conference …, 2021 - pubs.aip.org
We formulated some gauge transformations of the three-dimensional Gross-Pitaevskii
equation coupled by a time-dependent potential. To do that, we determined explicitly all the …
equation coupled by a time-dependent potential. To do that, we determined explicitly all the …
Energy momentum tensor of scalar field with higher order derivatives
We considered a formulation of the energy momentum tensor of scalar field containing
higher-order derivatives. Starting from the Lagrangian density, we can formulate the …
higher-order derivatives. Starting from the Lagrangian density, we can formulate the …