👉 The RW fluid, also known as the Relativistic Water Fluid, is a theoretical model used in high-energy physics, particularly in the study of neutron stars and other ultra-dense astrophysical objects. It describes a fluid composed primarily of neutrons, with a small fraction of protons and electrons, governed by relativistic quantum mechanics. This fluid exhibits unique properties due to the extreme conditions in neutron star interiors, such as incredibly high densities and strong magnetic fields. The RW fluid is characterized by its ability to flow under the influence of both gravitational and electromagnetic forces, making it crucial for understanding phenomena like pulsar glitches, neutron star mergers, and the overall dynamics of these compact objects.