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Lagrangian formalism for the new Dirac equationThe expressions for the energy-impulse tensor and the spin operators are obtained for the particle

Maxwell's Equations in Curvilinear Coordinates-based formalism. Proposed to replace it by easier tensor-based formalism.

The metric energy-momentum tensor for particles with polarizabilities in the electromagnetic fieldWithin the covariant lagrangian formalism and relativistic theory of continuous media the metric

The energy-momentum tensor for 1/2-spin particles with electric and magnetic polarizabilitiesUsing the formalism of the relativistic electrodynamics of continuous media and the main principles

Определение тензора энергии-импульса с учетом поляризуемостей поляризуемостями и электромагнитного поля. Within the covariant Lagrangian formalism the equations of motion

Third order extensions of 3d Chern-Simons interacting to gravity: Hamiltonian formalism and stability, the theory is shown to admit a two-parameter series of symmetric tensors with on-shell vanishing covariant

Ghost-free Palatini derivative scalar–tensor theory: Desingularization and the speed test© 2019 We disclose remarkable features of the scalar–tensor theory with the derivative coupling

Geometric Algebra and Quaternion Techniques in Computer Algebra Systems for Describing Rotations in Eucledean SpaceTensor formalism (and its special case—vector formalism) is a mathematical technique that is widely

Einstein-aether theory with a Maxwell field: General formalism in the Maxwell tensor, linear and quadratic in the covariant derivative of the aether velocity four

Spinor-Like Hamiltonian for Maxwellian OpticsBackground. Spinors are more special objects than tensors. Therefore spinors possess more

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