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19932026
most citedPrediction and observation of the first antiferromagnetic topological insulator

1.2k citations

Showing 2020 · hep-thShow all

28 papers · 2 filters

hep-th2020★ 2 cited

New bi-harmonic superspace formulation of SYM theory

I. L. Buchbinder, E. A. Ivanov, V. A. Ivanovskiy

We develop a novel bi-harmonic superspace formulation of the supersymmetric Yang-Mills theory (SYM) in four dimensions. In this approach, the $\math…

hep-th2020★ 2 cited

Spinning particles on 2-sphere in accord with the Bianchi classification

Anton Galajinsky

Motivated by recent studies of superconformal mechanics extended by spin degrees of freedom, we construct minimally superintegrable models of spinning particles on 2-sphere, the sp…

hep-th2020★ 1 cited

Non-Abelian gauge theories with composite fields in the background field method

Pavel Yu. Moshin, Alexander A. Reshetnyak, Ricardo A. Castro

Non-Abelian gauge theories with composite fields are examined in the background field method. Generating functionals of Green's functions for a Yang--Mills theory with composite an…

hep-th2020★ 11 cited

Hierarchy of Supersymmetric Higher Spin Connections

I. L. Buchbinder, S. James Gates, K. Koutrolikos

We focus on the geometrical reformulation of free higher spin supermultiplets in flat superspace. We find that there is a de Wit-Freedman like hierarchy of…

hep-th2020★ 22 cited

-Minkowski-deformation of gauge theory

V. G. Kupriyanov, M. Kurkov, P. Vitale

We construct a non-commutative kappa-Minkowski deformation of U(1) gauge theory, following a general approach, recently proposed in JHEP 2008 (2020) 041. We obtain an exact (all or…

hep-th2020★ 11 cited

Massless finite and infinite spin representations of Poincaré group in six dimensions

I. L. Buchbinder, S. A. Fedoruk, A. P. Isaev +1

We study the massless irreducible representations of the Poincaré group in the six-dimensional Minkowski space. The Casimir operators are constructed and their eigenvalues are foun…

hep-th2020★ 56 cited

Primordial black hole dark matter in dilaton-extended two-field Starobinsky inflation

Anirudh Gundhi, Sergei V. Ketov, Christian F. Steinwachs

We investigate the production of primordial black holes and their contribution to the presently observed dark matter in a dilaton two-field extension of Starobinsky's quadratic $f(…

hep-th2020★ 7 cited

N=3 super-Schwarzian from OSp(3|2) invariants

Anton Galajinsky

It was recently demonstrated that the N=0,1,2,4 super-Schwarzian derivatives can be constructed by applying the method of nonlinear realizations to the finite-dimensional (super)co…

hep-th2020★ 11 cited

BRST-BV Quantum Actions for Constrained Totally-Symmetric Integer HS Fields

Čestmir Burdík, Alexander A. Reshetnyak

A constrained BRST-BV Lagrangian formulation for totally symmetric massless HS fields in a -dimensional Minkowski space is extended to a non-minimal constrained BRST-BV Lagrangi…

hep-th2020

Basic properties of an alternative flow equation in gravity theories

Peter M. Lavrov

Basic properties of alternative flow equation in Quantum Gravity are studied. It is shown that the alternative flow equation for effective two-particle irreducible effective action…

hep-th2020★ 6 cited

Radially and azimuthally excited states of a soliton system of vortex and Q-ball

A. Yu. Loginov, V. V. Gauzshtein

In the present paper, we continue to study the two-dimensional soliton system that is composed of vortex and Q-ball components interacting with each other through an Abelian gauge…

hep-th2020★ 9 cited

Hamiltonian constraints and unfree gauge symmetry

V. A. Abakumova, S. L. Lyakhovich

We study Hamiltonian form of unfree gauge symmetry where the gauge parameters have to obey differential equations. We consider the general case such that the Dirac-Bergmann algorit…

hep-th2020★ 27 cited

Testing Primordial Black Holes as Dark Matter in Supergravity from Gravitational Waves

Yermek Aldabergenov, Andrea Addazi, Sergei V. Ketov

We explore the Gravitational Waves (GW) phenomenology of a simple class of supergravity models that can explain and unify inflation and Primordial Black Holes (PBH) as Dark Matter…

hep-th2020★ 11 cited

The renormalization structure of , supersymmetric higher-derivative gauge theory

I. L. Buchbinder, E. A. Ivanov, B. S. Merzlikin +1

We consider the harmonic superspace formulation of higher-derivative , supersymmetric gauge theory and its minimal coupling to a hypermultiplet. In components,…

hep-th2020★ 18 cited

Characteristic Cohomology and Observables in Higher Spin Gravity

Alexey Sharapov, Evgeny Skvortsov

We give a complete classification of dynamical invariants in and Higher Spin Gravity models, with some comments on arbitrary . These include holographic correlation fu…

hep-th2020★ 21 cited

Towards Lagrangian construction for infinite half-integer spin field

I. L. Buchbinder, S. Fedoruk, A. P. Isaev +1

We formulate the conditions for the generalized fields in the space with additional commuting Weyl spinor coordinates which define the infinite half-integer spin representation of…

hep-th2020★ 6 cited

Interface Conformal Anomalies

Christopher P. Herzog, Kuo-Wei Huang, Dmitri V. Vassilevich

We consider two conformal field theories (CFTs) glued together along a codimension one conformal interface. The conformal anomaly of such a system contains both bulk and…

hep-th2020★ 5 cited

Hamiltonian formalism for Bose excitations in a plasma with a non-Abelian interaction

Yu. A. Markov, M. A. Markova, N. Yu. Markov +1

We have developed the Hamiltonian theory for collective longitudinally polarized colorless excitations (plasmons) in a high-temperature gluon plasma using the general formalism for…

hep-th2020★ 3 cited

On the Schwarzian counterparts of conformal mechanics

Sergei Filyukov, Ivan Masterov

It is shown that, if the energy in the Schwarzian mechanics (SM) is equal to the coupling constant in the de Alfaro-Fubini-Furlan (DAFF) model, there exists a link between these tw…

hep-th2020★ 29 cited

Radially excited gauged -balls

A. Yu. Loginov, V. V. Gauzshtein

Radially excited gauged -balls are studied using both analytical and numerical methods. Unlike the nongauged case, there exists only a finite number of radially excited g…

hep-th2020★ 18 cited

A novel approach to non-commutative gauge theory

Vladislav G. Kupriyanov, Patrizia Vitale

We propose a field theoretical model defined on non-commutative space-time with non-constant non-commutativity parameter , which satisfies two main requirements: it is gauge…

hep-th2020★ 13 cited

Resonance and stability of higher derivative theories of derived type

D. S. Kaparulin, S. L. Lyakhovich, O. D. Nosyrev

We consider the class of higher derivative field equations whose wave operator is a square of another self-adjoint operator of lower order. At the free level, the models of this cl…

hep-th2020★ 1 cited

Gauge dependence of alternative flow equation for the functional renormalization group

Peter M. Lavrov

The gauge dependence problem of alternative flow equation for the functional renormalization group is studied. It is shown that the effective two-particle irreducible effective act…

hep-th2020★ 69 cited

Resummation of QED radiative corrections in a strong constant crossed field

A. A. Mironov, S. Meuren, A. M. Fedotov

By considering radiative corrections of up to 3rd-loop order, Ritus and Narozhny conjectured that the proper expansion parameter for QED in a strong constant crossed field is $g=αχ…