"Physical Review D" is a peer-reviewed scientific journal that focuses on research in the field of particle physics, gravitational physics, and cosmology. It is part of the larger Physical Review family of journals, which are published by the American Physical Society. The journal features original research articles, reviews, and rapid communications that contribute to the understanding of fundamental physical theories. Established in 1970, "Physical Review D" serves as a platform for scientists to share their findings and advancements in theoretical and experimental physics. It covers a wide range of topics, including quantum field theory, string theory, and astrophysics, making it a vital resource for researchers and academics in the field.