Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Qiuyue Liang"'
Publikováno v:
Physics Letters B, Vol 859, Iss , Pp 139123- (2024)
The strong charge-parity (CP) problem has been a long-standing problem in particle physics since 1976, illustrating the small CP-violation phase in quantum chromodynamics (QCD). The axion, based on the Peccei–Quinn mechanism, is the most popular so
Externí odkaz:
https://doaj.org/article/f8a0d83ecc4a49eea2b7129383f36836
Autor:
Qiuyue Liang, Silvia Nagy
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 4, Pp 1-24 (2024)
Abstract The double copy is a remarkable relationship between gauge theory and gravity that has been explored in a number of contexts, most notably scattering amplitudes and classical solutions. The convolutional double copy provides a straightforwar
Externí odkaz:
https://doaj.org/article/9f09c156d4114942ab089c68d6f55f09
Publikováno v:
Journal of High Energy Physics, Vol 2022, Iss 8, Pp 1-18 (2022)
Abstract We explore extensions of the double copy to massive theories and find a new cubic theory with a local double copy. We consider the nonlinear sigma model and the special galileon theory, massless versions of which are known to be related thro
Externí odkaz:
https://doaj.org/article/14bca6d2da044001bdd424a496c8752f
Publikováno v:
Physical Review
Conformal symmetry can be spontaneously broken due to the presence of a defect or other background, which gives a symmetry-breaking vacuum expectation value (VEV) to some scalar operators. We study the effective field theory of fluctuations around th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b5a4a16644f8a3da549fdfe0848d578
http://repo.scoap3.org/api
http://repo.scoap3.org/api
Autor:
Mark Trodden, Qiuyue Liang
We explore the potential of Pulsar Timing Arrays (PTAs) such as NANOGrav, EPTA, and PPTA to detect the Stochastic Gravitational Wave Background (SGWB) in theories of massive gravity. In General Relativity, the function describing the dependence of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b7505b43fcc815eaf5e0a5c1b82f2ee
Publikováno v:
Physical Review
We extend the effective field theory (EFT) formalism for gravitational radiation from a binary system of compact objects to the case of extended objects. In particular, we study the EFT for a binary system consisting of two infinitely-long cosmic str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe38b70b0a22d231d57e50564146b31a
http://arxiv.org/abs/2010.15913
http://arxiv.org/abs/2010.15913
Publikováno v:
Journal of Cosmology and Astroparticle Physics. 2021:063
The tension between measurements of the Hubble constant obtained at different redshifts may provide a hint of new physics active in the relatively early universe, around the epoch of matter-radiation equality. A leading paradigm to resolve the tensio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d368c8b24833ca17ae754a1c6eb07b5f
https://doi.org/10.1088/1475-7516/2021/04/063
https://doi.org/10.1088/1475-7516/2021/04/063
Publikováno v:
Journal of Loss Prevention in the Process Industries. 69:104380
Starch is widely used in industrial production and in every life, and an increasing number of accidents of starch dust burning and explosions are occurring and have caused serious casualties and economic losses. Previous studies on the oxidative prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cfd37a128559220ed0cfa5d0e7221ee
https://doi.org/10.1016/j.jlp.2020.104380
https://doi.org/10.1016/j.jlp.2020.104380
Publikováno v:
Physical Review
We study the evolution of cosmological perturbations in a non-singular bouncing cosmology with a bounce phase which has superimposed oscillations of the scale factor. We identify length scales for which the final spectrum of fluctuations obtains impr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45e431456ee30de95958bd90dd2a467f
http://repo.scoap3.org/api
http://repo.scoap3.org/api
We compute the running of the spectrum of cosmological perturbations in String Gas Cosmology, making use of a smooth parametrization of the transition between the early Hagedorn phase and the later radiation phase. We find that the running has the sa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ca617516d34cc839c796cb5956e5b6a