A Department of Condensed Matter Physics within a university or educational institution focuses on the study and research of condensed matter, which refers to solid and liquid phases of matter where particles are closely packed together. Condensed matter physics explores the properties, behaviors, and phenomena exhibited by materials in these states. 

1. Solid State Physics: Investigating the fundamental principles governing the behavior of solids, including crystal structures, electronic properties, and thermal properties.

2. Material Science: Studying the design, synthesis, and characterization of materials with specific properties for various applications. This may include the development of advanced materials, nanomaterials, and functional materials.

3. Quantum Mechanics in Condensed Matter: Applying quantum mechanics principles to understand the behavior of electrons, atoms, and molecules in condensed matter systems. This includes electronic band structure, quantum transport, and magnetic properties.