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🔍 oleg yu. gorobtsov 📂 Physics
Showing 2352 results for "oleg yu. gorobtsov" in Physics
Physics Preprint PDF DOI

Symmetry-Protected Topological Phases in the Triangular Majorana-Hubbard Ladder

Will Holdhusen, Alberto Nocera, Jian-Xin Zhu, Armin Rahmani · 2026

We map the phase diagram of the triangular-lattice Majorana-Hubbard model on a four-leg ladder using DMRG and variational uniform matrix product states, revealing a richer variety of phases than previ…

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Physics Preprint PDF DOI

The gauge action on semi-discrete Lax representations and its invariants

Sergei Igonin · 2026

Semi-discrete (differential-difference) matrix Lax representations (Lax pairs) play an essential role in the theory of integrable differential-difference equations. Fix a (1+1)-dimensional evolution…

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Physics Preprint PDF DOI

Pairing properties of correlated three-leg ladders with strong interchain couplings near 1/3 filling

Yushi Yamada, Tatsuya Kaneko, Masataka Kakoi, Ryota Ueda, Kazuhiko Kuroki · 2026

We investigate the ground-state properties of correlated three-leg ladders near 1/3 filling. We apply the density-matrix renormalization group method to the three-leg t-J ladder with strong interchain…

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Physics Preprint PDF DOI

Emergence of the unexpected charge-density-wave phase driven by artificial gauge field in three-leg Bose-Hubbard ladder

Takayuki Yokoyama, Yasuhiro Tada · 2026

We investigate hard-core bosons at half filling on a three-leg ladder under the uniform artificial gauge field. By analyzing current patterns and correlation functions, we uncover a rich quantum phase…

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Physics Preprint PDF DOI

Anderson localization via Peierls phase modulation

Arpita Goswami, Pallabi Chatterjee, Ranjan Modak, Shaon Sahoo · 2026

We investigate a two leg ladder system subjected to an external magnetic field. In the absence of a magnetic field, the system is described by a clean tight binding model, with no disorder in either t…

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Physics Preprint PDF DOI

Bulk-dissociated topological bands without spin-orbit coupling in hetero-dimensional superconducting metamaterials

Joseph J. Cuozzo, Sayed Ali Akbar Ghorashi, Dale Huber, Wei Pan, Francois Leonard · 2026

Topological superconductors (TSCs) in superconducting hybrid heterostructures, which integrate superconducting and non-superconducting materials, have been intensely investigated with the hope of disc…

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Physics Preprint PDF DOI

Beyond the Static Approximation: Assessing the Impact of Conformational and Kinetic Broadening on the Description of TADF Emitters

Daniel Beer, Jonas Weiser, Tom Gabler, Kirsten Zeitler, Carsten Deibel, Christian Wiebeler · 2026

Thermally activated delayed fluorescence (TADF) is a promising route towards high-efficiency, metal-free organic light-emitting diodes (OLEDs). However, the characterization of TADF kinetics in solid-…

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Physics Preprint PDF DOI

Blue organic light-emitting diodes with over 20% external quantum efficiencies based on Europium(II)-emitters

Mahmoud Soleimani, Toni Barschneider, Felix Kaden, Roman Tkachov, Sebastian Schellhammer, Sebastian Reineke, Carsten Rothe · 2026

The realization of blue electroluminescence with high efficiency and lifetime remains a long-standing hurdle for OLED technology to overcome. Divalent Europium [Europium(II)] complexes offer a fundame…

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Physics Preprint PDF DOI

Analyticity, asymptotics and natural boundary for a one-point function of the finite-volume critical Ising chain

Yizhuang Liu · 2026

This note reports the following observation: the finite-volume expectation value of the spin operator (the one-point function) between the $\mathbb{Z}_2$-even and odd ground states in the critical per…

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Physics Preprint PDF DOI

Feynman integral reduction with intersection theory made simple

Li-Hong Huang, Yan-Qing Ma, Ziwen Wang, Li Lin Yang · 2026

Feynman integral reduction based on intersection theory provides an alternative to the traditional integration-by-parts method, yet its practical application has been constrained by the large number o…

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Physics Preprint PDF DOI

From Ferrimagnetic Insulator to superconducting Luther-Emery Liquid: A DMRG Study of the Two-Leg Lieb Lattice

Alexander Nikolaenko, Subir Sachdev · 2026

Motivated by recent experiments on ultracold fermionic spin-1/2 $^6$Li atoms in a Lieb lattice at various Hubbard repulsion $U$ and filling fractions $n$ (Lebrat et al., arXiv:2404.17555), we conduct …

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Physics Preprint PDF DOI

Entanglement Transfer Dynamics in a Two-Leg Spin Ladder Under a Selective Magnetic Field

Soghra Ghanavat, Abbas Sabour, Somayeh Mehrabankar · 2026

We investigate the dynamical transfer of bipartite entanglement through a two-leg spin-1/2 ladder governed by the anisotropic Heisenberg (XXZ-type) model with a selective magnetic field applied exclus…

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Physics Preprint PDF DOI

Distinguishing impurity-induced bound states from Majorana-like zero-energy peaks in strained CsCa2Fe4As4F2 by scanning tunneling microscopy

Mingzhe Li, Jiashuo Gong, Huaxun Li, Jiakang Zhang, Yuanji Li, Ruotong Yin, Shiyuan Wang, Guanghan Cao, Dong-Lai Feng, Ya-Jun Yan · 2026

Iron-based superconductors offer a versatile platform for exploring topological superconductivity and Majorana zero modes (MZMs), with experimental confirmations in Fe(Te,Se), (Li,Fe)OHFeSe and CaKFe4…

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Physics Preprint PDF DOI

Circular Future of Yukawa Unification in Supersymmetric Pati-Salam Model: Stop on Neutralino

Ali Cici, Busra Nis, Cem Salih Un · 2026

We explore the low scale implications of SUSY models based on the gauge symmetry SU(4)_CxSU(2)_LxSU(2)_R. We include the non-holomorphic terms arises from the perturbations on D-branes, which also bre…

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Physics Preprint PDF DOI

Strict Entropy Decrease of Clausius Entropy in an Isolated System with Energy-Form Conversion: Theoretical Proof, Numerical Illustration, and Critical Examination

Ting Peng · 2026

This paper is accountable only to explicitly stated physical assumptions and strict logical inference. Its goal is to run a rigorous stress test of second-law claims within the Clausius framework. We …

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Physics Preprint PDF DOI

Cryptanalysis of four arbitrated quantum signature schemes

Pierre-Alain Jacqmin, Jean Lienardy · 2026

Arbitrated quantum signature (AQS) schemes aim at ensuring the authenticity of a message with the help of an arbitrator. Moreover, they aim at preventing repudiation, both from a sender that denies th…

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Physics Preprint PDF DOI

Novel cluster-algebraic letters for 5- and 6-point QCD processes

Rigers Aliaj, Garbriele Dian, Georgios Papathanasiou · 2026

By breaking dual conformal invariance, we transform cluster-algebraic predictions for the alphabet of 9-point amplitudes in $\mathcal{N}=4$ super Yang-Mills theory to analogous predictions for 5- and …

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Physics Preprint PDF DOI

A minimal model of pump foil dynamics

Eunok Yim, Francois Gallaire · 2026

Pump foiling enables a hydrofoil surfboard to sustain forward motion on flat water using only periodic leg pumping, converting vertical oscillations into hydrodynamic lift and thrust. We present a min…

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Physics Preprint PDF DOI

Hardy's Paradox for Yu-Oh Set Constructed by Logically Contextual Quantum States

Chang He, Yongjun Wang, Baoshan Wang, Songyi Liu, Yunyi Jia · 2026

Quantum contextuality is a fundamental nonclassical property of quantum systems, regarded as a key resource that demonstrates the computational and informational advantages of quantum over classical s…

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Physics Preprint PDF DOI

Kinetic obstruction to pairing in the doped Kitaev-Heisenberg ladder

Bradraj Pandey, Bo Xiao, Satoshi Okamoto, Gonzalo Alvarez, Gabor B. Halasz, Elbio Dagotto, Pontus Laurell · 2026

We investigate the hole-doped Kitaev-Heisenberg ($t$-$J$-$K$) model on a two-leg ladder geometry using the density-matrix renormalization group (DMRG). We first consider the behavior of the antiferrom…

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