activity
19982024
most citedIs the Lorentz signature of the metric of spacetime electromagnetic in origin?

56 citations · 729 across the 51 of their papers we have counts for

collaborators

52 papers

math-ph2024

Acoustic axes conditions revised

Yakov Itin

The explanation of the basic acoustic properties of crystals requires a recognition of the acoustic axes. To derive the acoustic axes in a given material, one requires both a worka…

physics.class-ph2023

Reduced Cristoffel's tensor and acoustic axes: Necessary and sufficient condition

Yakov Itin

Acoustic axes are spatial directions in media (often crystals) where at least two of the three acoustic waves have the same phase velocity. Identification of such directions for ma…

math-ph2023★ 5 cited

Cauchy relations in linear elasticity: Algebraic and physics aspects

Yakov Itin

The Cauchy relations distinguish between rari- and multi-constant linear elasticity theories. These relations are treated in this paper in a form that is invariant under two groups…

gr-qc2022

Hilbert's energy-momentum tensor extended

Yakov Itin

A variational derivative of a Lagrangian with regard to the metric tensor is used in classical field models to define Hilbert's energy-momentum tensor for a matter field. In solid-…

math-ph2021

On the pseudo-Riemann's quartics in Finsler's geometry

Yakov Itin

An extension of Riemmann's geometry into a direction dependent geometric structure is usually described by Finsler's geometry. Historically, this construction was motivated by the…

math-ph2020★ 13 cited

Decomposition of third-order constitutive tensors

Yakov Itin, Shulamit Reches

Third-order tensors are widely used as a mathematical tool for modeling physical properties of media in solid state physics. In most cases, they arise as constitutive tensors of pr…