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Author

Yury A. Budkov

3 papers indexed here

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Sep 2026

Exact screening constraints for theories of inhomogeneous electrolytes: Generalized Stillinger-Lovett relations and a nonlinear Ward hierarchy.

Exact theories of electrolyte structure must satisfy the nonlocal constraints imposed by electrostatic screening, yet these constraints are most commonly formulated only for homogeneous bulk systems and at the level of two-point correlations. Here, we develop a unified field-theoretic framework that extends them to gen...

Y. Budkov · 0 citations
Sep 2026

Stress tensor of inhomogeneous flexible polymer chain solutions beyond the ground-state dominance approximation.

We derive the stress tensor of a flexible polymer solution within the Gaussian-chain self-consistent field theory (SCFT) without invoking the ground-state dominance (GSD) approximation. Starting from a covariant formulation of the single-chain partition function in a background metric, we obtain the symmetric stress te...

Y. Budkov · 0 citations
Sep 2026

Critical dynamics of conformational exchange in a near-critical solvent: A statistical-mechanical three-mode theory.

We develop a three-mode statistical-mechanical theory for a two-conformer solute in a near-critical solvent. A compressible lattice model with vacancies yields the Gaussian free-energy functional for a critical conserved density, an orthogonal noncritical conserved mode, and the local conformer fraction. Their coupling...

Yury A. Budkov, M. G. Kiselev · 0 citations

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