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A NICER view of PSR J0030+0451: Implications for the dense matter equation of state
G. Raaijmakers, T. E. Riley, A. L. Watts +14
Both the mass and radius of the millisecond pulsar PSR J0030+0451 have been inferred via pulse-profile modeling of X-ray data obtained by NASA's NICER mission. In this Letter we st…
Constraining the dense matter equation of state with joint analysis of NICER and LIGO/Virgo measurements
G. Raaijmakers, S. K. Greif, T. E. Riley +8
The NICER collaboration recently published a joint estimate of the mass and the radius of PSR J0030+0451, derived via X-ray pulse-profile modeling. Raaijmakers et al. (2019) explor…
Improved many-body expansions from eigenvector continuation
Pepijn Demol, Thomas Duguet, Andreas Ekström +7
Quantum many-body theory has witnessed tremendous progress in various fields, ranging from atomic and solid-state physics to quantum chemistry and nuclear structure. Due to the inh…
Family of Chiral Two- plus Three-Nucleon Interactions for Accurate Nuclear Structure Studies
Thomas Hüther, Klaus Vobig, Kai Hebeler +2
We present a family of nucleon-nucleon (NN) plus three-nucleon (3N) interactions up to N3LO in the chiral expansion that provides an accurate ab initio description of ground-state…
Eigenvector Continuation as an Efficient and Accurate Emulator for Uncertainty Quantification
S. König, A. Ekström, K. Hebeler +2
First principles calculations of atomic nuclei based on microscopic nuclear forces derived from chiral effective field theory (EFT) have blossomed in the past years. A key element…
Towards high-order calculations of three-nucleon scattering in chiral effective field theory
E. Epelbaum, J. Golak, K. Hebeler +9
We discuss the current status of chiral effective field theory in the three-nucleon sector and present selected results for nucleon-deuteron scattering observables based on semiloc…