Zobrazeno 1 - 10
of 350
pro vyhledávání: '"Parra-Martinez A"'
Autor:
Cheung, Clifford, Parra-Martinez, Julio, Rothstein, Ira Z., Shah, Nabha, Wilson-Gerow, Jordan
We explore a recently proposed effective field theory describing electromagnetically or gravitationally interacting massive particles in an expansion about their mass ratio, also known as the self-force (SF) expansion. By integrating out the deviatio
Externí odkaz:
http://arxiv.org/abs/2406.14770
We derive a soft theorem for a massless scalar in an effective field theory with generic field content using the geometry of field space. This result extends the geometric soft theorem for scalar effective field theories by allowing the massless scal
Externí odkaz:
http://arxiv.org/abs/2403.12142
Autor:
Cheung, Clifford, Parra-Martinez, Julio, Rothstein, Ira Z., Shah, Nabha, Wilson-Gerow, Jordan
Publikováno v:
Phys. Rev. Lett. 132 (2024) 9, 091402
We derive an effective field theory describing a pair of gravitationally interacting point particles in an expansion in their mass ratio, also known as the self-force (SF) expansion. The 0SF dynamics are trivially obtained to all orders in Newton's c
Externí odkaz:
http://arxiv.org/abs/2308.14832
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 6, Pp 1-28 (2024)
Abstract We derive a soft theorem for a massless scalar in an effective field theory with generic field content using the geometry of field space. This result extends the geometric soft theorem for scalar effective field theories by allowing the mass
Externí odkaz:
https://doaj.org/article/7c9d62e51c4f4c518f543d7ddce6a85e
Autor:
Barack, Leor, Bern, Zvi, Herrmann, Enrico, Long, Oliver, Parra-Martinez, Julio, Roiban, Radu, Ruf, Michael S., Shen, Chia-Hsien, Solon, Mikhail P., Teng, Fei, Zeng, Mao
Publikováno v:
Phys. Rev. D 108, 024025 (2023)
We compare numerical self-force results and analytical fourth-order post-Minkowskian (PM) calculations for hyperbolic-type scattering of a point-like particle carrying a scalar charge $Q$ off a Schwarzschild black hole, showing a remarkably good agre
Externí odkaz:
http://arxiv.org/abs/2304.09200
Publikováno v:
J. High Energ. Phys. 2023, 103 (2023)
A variety of condensed matter systems describe gapless modes that can be interpreted as Nambu-Goldstone bosons of spontaneously broken Poincar\'e symmetry. In this paper we derive new soft theorems constraining the tree-level scattering of these degr
Externí odkaz:
http://arxiv.org/abs/2301.11363
Do gravitational interactions respect the basic principles of relativity and quantum mechanics? We show that any graviton S-matrix that satisfies these assumptions cannot significantly differ from General Relativity at low energies. We provide sharp
Externí odkaz:
http://arxiv.org/abs/2205.01495
Publikováno v:
Phys. Rev. Lett. 129 (2022) 22, 221602
We derive a non-perturbative, Lagrangian-level formulation of the double copy in two spacetime dimensions. Our results elucidate the field theoretic underpinnings of the double copy in a broad class of scalar theories which can include masses and hig
Externí odkaz:
http://arxiv.org/abs/2204.07130
We propose a mapping between geometry and kinematics that implies the classical equivalence of any theory of massless bosons -- including spin and exhibiting arbitrary derivative or potential interactions -- to a nonlinear sigma model (NLSM) with a m
Externí odkaz:
http://arxiv.org/abs/2202.06972
We study constraints from causality and unitarity on $2\to2$ graviton scattering in four-dimensional weakly-coupled effective field theories. Together, causality and unitarity imply dispersion relations that connect low-energy observables to high-ene
Externí odkaz:
http://arxiv.org/abs/2201.06602