Publications associées à Gravité quantique

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An analytical toolkit for the S-matrix bootstrap

Alexander Zhiboedov, Miguel Alexandre Ribeiro Correia, Amit Sever

We revisit analytical methods for constraining the nonperturbative S-matrix of unitary, relativistic, gapped theories in d >= 3 spacetime dimensions. We assume extended analyticity of the two-to-two scattering amplitude and use it together with elastic uni ...

SPRINGER2021

Serre-Tate theory for Calabi-Yau varieties

Maciej Emilian Zdanowicz

Classical Serre-Tate theory describes deformations of ordinary abelian varieties. It implies that every such variety has a canonical lift to characteristic zero and equips the base of its universal deformation with a Frobenius lifting and canonical multipl ...

WALTER DE GRUYTER GMBH2021

Applications of dispersive sum rules: epsilon-expansion and holography

Alexander Zhiboedov, João Pedro Alves Da Silva, Din Carmi

We use Mellin space dispersion relations together with Polyakov conditions to derive a family of sum rules for Conformal Field Theories (CFTs). The defining property of these sum rules is suppression of the contribution of the double twist operators. First ...

SCIPOST FOUNDATION2021

Measuring and modeling the motor system with machine learning

Alexander Mathis, Alessandro Marin Vargas

The utility of machine learning in understanding the motor system is promising a revolution in how to collect, measure, and analyze data. The field of movement science already elegantly incorporates theory and engineering principles to guide experimental w ...

2021

Stochastic gravitational-wave background from metastable cosmic strings

Valerie Fiona Domcke

A metastable cosmic-string network is a generic consequence of many grand unified theories (GUTs) when combined with cosmic inflation. Metastable cosmic strings are not topologically stable, but decay on cosmic time scales due to pair production of GUT mon ...

IOP Publishing Ltd2021

Electronic-structure methods for materials design

Nicola Marzari, Andrea Ferretti

Simulations can be used to accelerate the characterization and discovery of materials. Here we Review how electronic-structure methods such as density functional theory work, what properties they can be used to predict and how they can be used to design ma ...

NATURE RESEARCH2021

Fourier Interpolation From Spheres

Martin Peter Stoller

In every dimension d >= 2, we give an explicit formula that expresses the values of any Schwartz function on R-d only in terms of its restrictions, and the restrictions of its Fourier transform, to all origin-centered spheres whose radius is the square roo ...

AMER MATHEMATICAL SOC2021

Theory of time delayed genetic oscillations with external noisy regulation

Andrew Charles Oates, Laurel Ann Rohde, Jose Negrete Jr

Video Abstract Video Abstract: Theory of time delayed genetic oscillations with external noisy regulation We present a general theory of noisy genetic oscillators with externally regulated production rate and multiplicative noise. The observables that char ...

IOP PUBLISHING LTD2021

Gravité quantique

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A note on the large charge expansion in 4d CFT

An analytical toolkit for the S-matrix bootstrap

Serre-Tate theory for Calabi-Yau varieties

Applications of dispersive sum rules: epsilon-expansion and holography

Measuring and modeling the motor system with machine learning

Stochastic gravitational-wave background from metastable cosmic strings

Electronic-structure methods for materials design

Fourier Interpolation From Spheres

Theory of time delayed genetic oscillations with external noisy regulation

Towards bootstrapping RG flows: sine-Gordon in AdS

Serre-Tate theory for Calabi-Yau varieties

A note on the large charge expansion in 4d CFT

An analytical toolkit for the S-matrix bootstrap

Electronic-structure methods for materials design

Theory of time delayed genetic oscillations with external noisy regulation

Stochastic gravitational-wave background from metastable cosmic strings

Towards bootstrapping RG flows: sine-Gordon in AdS

Applications of dispersive sum rules: epsilon-expansion and holography

Measuring and modeling the motor system with machine learning

Fourier Interpolation From Spheres