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Cover Image for Topological waves in fluids with odd viscosity View Article
Topological waves in fluids with odd viscosity
Anton Souslov, Kinjal Dasbiswas, Michel Fruchart, Suriyanarayanan Vaikuntanathan, Vincenzo Vitelli
Mar 29, 2019
Fluids in which both time-reversal and parity are broken can display a dissipationless viscosity that is odd under each of these symmetries. Here, we show how this odd viscosity has a dramatic effect on topological sound waves...
cond-mat.soft
Cover Image for Odd elasticity View Article
Odd elasticity
Colin Scheibner, Anton Souslov, Debarghya Banerjee, Piotr Surówka, William T. M. Irvine, Vincenzo Vitelli
Apr 30, 2020
A passive solid cannot do work on its surroundings through any quasistatic cycle of deformations. This property places strong constraints on the allowed elastic moduli. In this Article, we show that static elastic moduli...
Cover Image for Odd elasticity View Article
Odd elasticity
Colin Scheibner, Anton Souslov, Debarghya Banerjee, Piotr Surówka, William T. M. Irvine, Vincenzo Vitelli
Apr 30, 2020
A passive solid cannot do work on its surroundings through any quasistatic cycle of deformations. This property places strong constraints on the allowed elastic moduli. In this Article, we show that static elastic moduli...
Cover Image for Anisotropic odd viscosity via a time-modulated drive View Article
Anisotropic odd viscosity via a time-modulated drive
Anton Souslov, Andrey Gromov, Vincenzo Vitelli
May 18, 2020

At equilibrium, the structure and response of ordered phases are typically determined by the spontaneous breaking of spatial symmetries. Out of equilibrium, spatial order itself can become a dynamically emergent concept. In...

Cover Image for Topological waves in fluids with odd viscosity View Article
Topological waves in fluids with odd viscosity
Anton Souslov, Kinjal Dasbiswas, Michel Fruchart, Suriyanarayanan Vaikuntanathan, Vincenzo Vitelli
Mar 29, 2019
Fluids in which both time-reversal and parity are broken can display a dissipationless viscosity that is odd under each of these symmetries. Here, we show how this odd viscosity has a dramatic effect on topological sound waves...
cond-mat.soft
Cover Image for On higher-order viscosity approximations of odd-order nonlinear PDEs View Article
On higher-order viscosity approximations of odd-order nonlinear PDEs
VA Galaktionov
Jan 01, 0001
Some aspects of vanishing viscosity (ε → 0+) approximations of discontinues solutions of odd-order nonlinear PDEs are discussed.
Conservation laws Higher-order parabolic operators Vanishing viscosity Entropy solutions
Cover Image for Anisotropic odd viscosity via a time-modulated drive View Article
Anisotropic odd viscosity via a time-modulated drive
Anton Souslov, Andrey Gromov, Vincenzo Vitelli
May 18, 2020

At equilibrium, the structure and response of ordered phases are typically determined by the spontaneous breaking of spatial symmetries. Out of equilibrium, spatial order itself can become a dynamically emergent concept. In...

Cover Image for Nonlinear shallow-water waves with vertical odd viscosity View Article
Nonlinear shallow-water waves with vertical odd viscosity
Alex Doak, Guido Baardink, Paul A Milewski, Anton Souslov
Jun 30, 2023

The breaking of a detailed balance in fluids through Coriolis forces or odd-viscous stresses has profound effects on the dynamics of surface waves. Here we explore both weakly and strongly nonlinear waves in a...

free-surface flows odd viscosity water waves
Cover Image for Nonlinear shallow-water waves with vertical odd viscosity View Article
Nonlinear shallow-water waves with vertical odd viscosity
Alex Doak, Guido Baardink, Paul A Milewski, Anton Souslov
Jun 30, 2023

The breaking of a detailed balance in fluids through Coriolis forces or odd-viscous stresses has profound effects on the dynamics of surface waves. Here we explore both weakly and strongly nonlinear waves in a...

free-surface flows odd viscosity water waves
Cover Image for Systematics of type IIB moduli stabilisation with odd axions View Article
Systematics of type IIB moduli stabilisation with odd axions
Michele Cicoli, Andreas Schachner, Pramod Shukla
Mar 13, 2023
Moduli stabilisation in superstring compactifications on Calabi-Yau orientifolds remains a key challenge in the search for realistic string vacua. In particular, odd moduli arising from the reduction of 2-forms (B2, C2) in type...
Regular Article - Theoretical Physics Flux compactifications Superstring Vacua
Published by: Springer Berlin Heidelberg
Cover Image for Optimal power and efficiency of odd engines View Article
Optimal power and efficiency of odd engines
Étienne Fodor, Anton Souslov
Dec 27, 2021
Odd materials feature antisymmetric response to perturbations. This anomalous property can stem from the nonequilibrium activity of their components, which is sustained by an external energy supply. These materials open the door...
Cover Image for Left 3-Engel elements of odd order in groups View Article
Left 3-Engel elements of odd order in groups
Gunnar Traustason, Enrico Jabara, Pham Huu Tiep
May 31, 2019
Let G be a group and let x ε G be a left 3-Engel element of odd order. We show that x is in the locally nilpotent radical of G. We establish this by proving that any finitely generated sandwich group, generated by elements of...
Cover Image for Optimal power and efficiency of odd engines View Article
Optimal power and efficiency of odd engines
Étienne Fodor, Anton Souslov
Dec 27, 2021
Odd materials feature antisymmetric response to perturbations. This anomalous property can stem from the nonequilibrium activity of their components, which is sustained by an external energy supply. These materials open the door...
Cover Image for On higher-order viscosity approximations of odd-order nonlinear PDEs View Article
On higher-order viscosity approximations of odd-order nonlinear PDEs
VA Galaktionov
Jan 01, 0001
Some aspects of vanishing viscosity (ε → 0+) approximations of discontinues solutions of odd-order nonlinear PDEs are discussed.
Conservation laws Higher-order parabolic operators Vanishing viscosity Entropy solutions
Cover Image for Systematics of type IIB moduli stabilisation with odd axions View Article
Systematics of type IIB moduli stabilisation with odd axions
M Cicoli, A Schachner, P Shukla
Apr 04, 2022
Moduli stabilisation in superstring compactifications on Calabi-Yau orientifolds remains a key challenge in the search for realistic string vacua. In particular, odd moduli arising from the reduction of 2-forms $(B_2,C_2)$...
hep-th hep-th
Cover Image for Left 3-Engel elements of odd order in groups View Article
Left 3-Engel elements of odd order in groups
Gunnar Traustason, Enrico Jabara, Pham Huu Tiep
May 31, 2019
Let G be a group and let x ε G be a left 3-Engel element of odd order. We show that x is in the locally nilpotent radical of G. We establish this by proving that any finitely generated sandwich group, generated by elements of...
Cover Image for The coherence of vocational education and training in Norway and Spain View Article
The coherence of vocational education and training in Norway and Spain
Manuel Souto-Otero, Odd-Bjon Ure
Jan 01, 0001
Coherence of national education and training systems is increasingly tabled in European policy debates. Leaning on literature about the emergence and consolidation of national education systems, this article explores the...
Cover Image for Non-autonomous rough semilinear PDEs and the multiplicative Sewing lemma View Article
Non-autonomous rough semilinear PDEs and the multiplicative Sewing lemma
Andris Gerasimovičs, Antoine Hocquet, Torstein Nilssen
Nov 15, 2021

We investigate existence, uniqueness and regularity for local solutions of rough parabolic equations with subcritical noise of the form...

Multiplicative Sewing lemma Propagator Rough partial differential equations Rough path
Cover Image for Non-autonomous rough semilinear PDEs and the multiplicative Sewing lemma View Article
Non-autonomous rough semilinear PDEs and the multiplicative Sewing lemma
Andris Gerasimovičs, Antoine Hocquet, Torstein Nilssen
Nov 15, 2021

We investigate existence, uniqueness and regularity for local solutions of rough parabolic equations with subcritical noise of the form...

Multiplicative Sewing lemma Propagator Rough partial differential equations Rough path
Cover Image for The coherence of vocational education and training in Norway and Spain View Article
The coherence of vocational education and training in Norway and Spain
Manuel Souto-Otero, Odd-Bjon Ure
Jan 01, 0001
Coherence of national education and training systems is increasingly tabled in European policy debates. Leaning on literature about the emergence and consolidation of national education systems, this article explores the...
Cover Image for Parity violation in the scalar trispectrum View Article
Parity violation in the scalar trispectrum
G Cabass, S Jazayeri, E Pajer, D Stefanyszyn
Feb 09, 2023
Abstract We derive a set of no-go theorems and yes-go examples for the parity-odd primordial trispectrum of curvature perturbations. We work at tree-level...
Regular Article - Theoretical Physics Early Universe Particle Physics Effective Field Theories Space-Time Symmetries
Cover Image for Parity violation in the scalar trispectrum View Article
Parity violation in the scalar trispectrum
Giovanni Cabass, Sadra Jazayeri, Enrico Pajer, David Stefanyszyn
Mar 14, 2023
We derive a set of no-go theorems and yes-go examples for the parity-odd primordial trispectrum of curvature perturbations. We work at tree-level in the decoupling limit of the Effective Field Theory of Inflation and assume...
Regular Article - Theoretical Physics Early Universe Particle Physics Effective Field Theories Space-Time Symmetries
Published by: Springer Berlin Heidelberg
Cover Image for Parity violation in the scalar trispectrum View Article
Parity violation in the scalar trispectrum
Giovanni Cabass, Sadra Jazayeri, Enrico Pajer, David Stefanyszyn
Mar 13, 2023
We derive a set of no-go theorems and yes-go examples for the parity-odd primordial trispectrum of curvature perturbations. We work at tree-level in the decoupling limit of the Effective Field Theory of Inflation and assume...
Regular Article - Theoretical Physics Early Universe Particle Physics Effective Field Theories Space-Time Symmetries
Published by: Springer Berlin Heidelberg
Cover Image for Oppositional defiant disorder View Article
Oppositional defiant disorder
David J. Hawes, Frances Gardner, Mark R. Dadds, Paul J. Frick, Eva R. Kimonis, Jeffrey Burke, Graeme Fairchild
Jun 22, 2023

Oppositional defiant disorder (ODD) is a disruptive behaviour disorder involving an ongoing pattern of angry/irritable mood, argumentative/defiant behaviour and vindictiveness. Onset is typically before 8 years of age...

Cover Image for Oppositional defiant disorder View Article
Oppositional defiant disorder
David J. Hawes, Frances Gardner, Mark R. Dadds, Paul J. Frick, Eva R. Kimonis, Jeffrey Burke, Graeme Fairchild
Jun 22, 2023

Oppositional defiant disorder (ODD) is a disruptive behaviour disorder involving an ongoing pattern of angry/irritable mood, argumentative/defiant behaviour and vindictiveness. Onset is typically before 8 years of age...

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