Explore login authentication in React.js with Redux and RTK Query through this comprehensive tutorial video. Create a React login form integrated with an RTK Query API layer and Redux auth state for a MERN Stack project. Learn to implement user stories, set up an authSlice, add an authReducer to the Redux store, and create an authApiSlice. Develop a login form component, add a logout button to the header, refactor the NewNote component, and verify state changes after login and logout. Follow along with step-by-step instructions and gain practical experience in building secure authentication systems for web applications.