Magnetic and Dielectric Materials

Magnetic and dielectric materials are classes of substances studied in condensed matter physics, characterized by their distinct responses to applied magnetic and electric fields, respectively. Magnetic materials derive their properties, such as ferromagnetism and paramagnetism, from the alignment of atomic magnetic moments, making them crucial for data storage, motors, and sensors. In contrast, dielectric materials are electrical insulators that can be polarized by an electric field, enabling them to store electrical energy and serving as critical components in capacitors and high-frequency electronics. The study of these materials connects their microscopic atomic structure to the macroscopic electromagnetic properties that underpin numerous modern technologies.

  1. Introduction to Fields in Matter
    1. Review of Maxwell's Equations in Vacuum
      1. Gauss's Law for Electricity
        1. Gauss's Law for Magnetism
          1. Faraday's Law of Induction
            1. Ampère's Law with Maxwell's Addition
            2. Macroscopic Fields in Materials
              1. Distinction Between Microscopic and Macroscopic Fields
                1. Electric Field and Electric Displacement
                  1. Definition of Electric Field
                    1. Definition of Electric Displacement
                      1. Relationship Between E and D
                      2. Magnetic Field and Magnetic Induction
                        1. Definition of Magnetic Field
                          1. Definition of Magnetic Induction
                            1. Relationship Between B and H
                          2. Constitutive Relations
                            1. Linear Materials
                              1. Nonlinear Materials
                                1. Permittivity
                                  1. Absolute Permittivity
                                    1. Relative Permittivity
                                    2. Permeability
                                      1. Absolute Permeability
                                        1. Relative Permeability
                                        2. Isotropic Materials
                                          1. Anisotropic Materials
                                          2. Polarization and Magnetization
                                            1. Definition of Polarization
                                              1. Definition of Magnetization
                                                1. Bound Charges
                                                  1. Bound Currents
                                                    1. Macroscopic Maxwell's Equations in Matter