Publications (29)
Snowmass Theory Frontier: Effective Field Theory
Matthew Baumgart, Fady Bishara, Tomas Brauner +34
We summarize recent progress in the development, application, and understanding of effective field theories and highlight promising directions for future research. This Report is p…
The BOSS bispectrum analysis at one loop from the Effective Field Theory of Large-Scale Structure
Guido D'Amico, Yaniv Donath, Matthew Lewandowski +2
We analyze the BOSS power spectrum monopole and quadrupole, and the bispectrum monopole and quadrupole data, using the predictions from the Effective Field Theory of Large-Scale St…
Analytic Prediction of Baryonic Effects from the EFT of Large Scale Structures
Matthew Lewandowski, Ashley Perko, Leonardo Senatore
The large scale structures of the universe will likely be the next leading source of cosmological information. It is therefore crucial to understand their behavior. The Effective F…
Anomalous Dimensions and Non-Gaussianity
Daniel Green, Matthew Lewandowski, Leonardo Senatore +2
We analyze the signatures of inflationary models that are coupled to strongly interacting field theories, a basic class of multifield models also motivated by their role in providi…
The Color-Dual Fates of , , and Supergravity
John Joseph M. Carrasco, Matthew Lewandowski, Nicolas H. Pavao
We find that the duality between color and kinematics can be used to inform the high energy behavior of effective field theories. Namely, we demonstrate that the massless gauge the…
Nonlinear Effective Theory of Dark Energy
Giulia Cusin, Matthew Lewandowski, Filippo Vernizzi
We develop an approach to parametrize cosmological perturbations beyond linear order for general dark energy and modified gravity models characterized by a single scalar degree of…
Gravitational Wave Decay into Dark Energy
Paolo Creminelli, Matthew Lewandowski, Giovanni Tambalo +1
We study the decay of gravitational waves into dark energy fluctuations , through the processes and , made possible by the spontaneous breaking of Lore…
The Spectroscopic Stage-5 Experiment
Robert Besuner, Arjun Dey, Alex Drlica-Wagner +106
The existence, properties, and dynamics of the dark sectors of our universe pose fundamental challenges to our current model of physics, and large-scale astronomical surveys may be…
Leading slow roll corrections to the volume of the universe and the entropy bound
Matthew Lewandowski, Ashley Perko
We make an extension to recent calculations of the probability density Ï(V) for the volume of the universe after inflation. Previous results have been accurate to leading order in…
Consistency relations for large-scale structure in modified gravity and the matter bispectrum
Marco Crisostomi, Matthew Lewandowski, Filippo Vernizzi
We study perturbation theory for large-scale structure in the most general scalar-tensor theories propagating a single scalar degree of freedom, which include Horndeski theories an…
Double-copy towards supergravity inflation with -attractor models
John Joseph M. Carrasco, Matthew Lewandowski, Nicolas H. Pavao
Key to the simplicity of supergravity -attractor models of inflation are Volkov-Akulov fermions, often in the form of nilpotent superfields. Here we explore the possibility of…
Vainshtein regime in Scalar-Tensor gravity: constraints on DHOST theories
Marco Crisostomi, Matthew Lewandowski, Filippo Vernizzi
We study the screening mechanism in the most general scalar-tensor theories that leave gravitational waves unaffected and are thus compatible with recent LIGO/Virgo observations. U…
Snowmass White Paper: Effective Field Theories in Cosmology
Giovanni Cabass, Mikhail M. Ivanov, Matthew Lewandowski +2
Small fluctuations around homogeneous and isotropic expanding backgrounds are the main object of study in cosmology. Their origin and evolution is sensitive to the physical process…
Direct signatures of the formation time of galaxies
Yaniv Donath, Matthew Lewandowski, Leonardo Senatore
We show that it is possible to directly measure the formation time of galaxies using large-scale structure. In particular, we show that the large-scale distribution of galaxies is…
Amplitudes' Positivity, Weak Gravity Conjecture, and Modified Gravity
Brando Bellazzini, Matthew Lewandowski, Javi Serra
We derive new positivity bounds for scattering amplitudes in theories with a massless graviton in the spectrum in four spacetime dimensions, of relevance for the weak gravity conje…
On the EFT of Large Scale Structures in Redshift Space
Matthew Lewandowski, Leonardo Senatore, Francisco Prada +2
We further develop the description of redshift space distortions within the Effective Field Theory of Large Scale Structures. First, we generalize the counterterms to include the e…
Non-local-in-time structure formation and sixth-order galaxy bias
Alex Edison, Matthew Lewandowski, Leonardo Senatore
We present a systematic construction of the non-local-in-time galaxy bias expansion in the Effective Field Theory of Large-Scale Structure. In order to fully capture time non-local…
Snowmass Theory Frontier: Astrophysics and Cosmology
Daniel Green, Joshua T. Ruderman, Benjamin R. Safdi +84
We summarize progress made in theoretical astrophysics and cosmology over the past decade and areas of interest for the coming decade. This Report is prepared as the TF09 "Astrophy…
The one-loop bispectrum of galaxies in redshift space from the Effective Field Theory of Large-Scale Structure
Guido D'Amico, Yaniv Donath, Matthew Lewandowski +2
We derive the kernels and the Effective Field Theory of Large-Scale Structure counterterms for the one-loop bispectrum of dark matter and of biased tracers in real and redshift spa…
Efficient evaluation of the dark-matter two-loop power spectrum in the EFT of LSS
Charalampos Anastasiou, Andrea Favorito, Matthew Lewandowski +2
Rapid progress in cosmological Large Scale Structure (LSS) surveys motivates precise theoretical predictions. The Effective Field Theory of Large-Scale Structure (EFTofLSS) is rout…
Dark Energy and Modified Gravity in the Effective Field Theory of Large-Scale Structure
Giulia Cusin, Matthew Lewandowski, Filippo Vernizzi
We develop an approach to compute observables beyond the linear regime of dark matter perturbations for general dark energy and modified gravity models. We do so by combining the E…
Violation of the consistency relations for large-scale structure with dark energy
Matthew Lewandowski
We study infrared effects in perturbation theory for large-scale structure coupled to the effective field theory of dark energy, focusing on, in particular, Degenerate Higher-Order…
IR-safe and UV-safe integrands in the EFTofLSS with exact time dependence
Matthew Lewandowski, Leonardo Senatore
Because large-scale structure surveys may very well be the next leading sources of cosmological information, it is important to have a precise understanding of the cosmological obs…
Limits on primordial non-Gaussianities from BOSS galaxy-clustering data
Guido D'Amico, Matthew Lewandowski, Leonardo Senatore +1
We analyze the power spectrum and the bispectrum of BOSS galaxy-clustering data using the prediction from the Effective Field Theory of Large-Scale Structure at one-loop order for…
An analytic implementation of the IR-resummation for the BAO peak
Matthew Lewandowski, Leonardo Senatore
We develop an analytic method for implementing the IR-resummation of arXiv:1404.5954, which allows one to correctly and consistently describe the imprint of baryon acoustic oscilla…
Gravitational Causality and the Self-Stress of Photons
Brando Bellazzini, Giulia Isabella, Matthew Lewandowski +1
We study causality in gravitational systems beyond the classical limit. Using on-shell methods, we consider the one-loop corrections from charged particles to the photon energy-mom…
An effective description of dark matter and dark energy in the mildly non-linear regime
Matthew Lewandowski, Azadeh Maleknejad, Leonardo Senatore
In the next few years, we are going to probe the low-redshift universe with unprecedented accuracy. Among the various fruits that this will bear, it will greatly improve our knowle…
Towards Precision Constraints on Gravity with the Effective Field Theory of Large-Scale Structure
Benjamin Bose, Kazuya Koyama, Matthew Lewandowski +2
We compare analytical computations with numerical simulations for dark-matter clustering, in general relativity and in the normal branch of DGP gravity (nDGP). Our analytical frame…
Baryonic effects in the Effective Field Theory of Large-Scale Structure and an analytic recipe for lensing in CMB-S4
Diogo P. L. Bragança, Matthew Lewandowski, David Sekera +2
Upcoming Large-Scale Structure surveys will likely become the next leading sources of cosmological information, making it crucial to have a precise understanding of the influence o…