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Physics: Condensed Matter Physics
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A magnet levitating above a high-temperature superconductor demonstrates the Meissner effect. Today, physics is a broad and highly developed subject. Research is often divided into four subfields: condensed matter physics; atomic, molecular, and optical physics; high-energy physics; and astronomy and astrophysics. Most physicists ... specialize in either theoretical or experimental research, the former dealing with the development of new theories, and the latter dealing with the experimental testing of theories and the discovery of new phenomena. Despite important discoveries during the last four centuries, there are a number of unsolved problems in physics, and many areas of active research.
high energy      physics Condensed matter physics is a wide ranging field involving the study of materials and systems. Some current experimental research topics in the department include nonlinear dynamics in solids and fluids, phase transitions and critical phenomena, and quantum liquids and solid. This research includes the study of nano-materials and the interesting regime where quantum effects come into play. About half the condensed matter theory faculty work on topics related to collective properties of many-electron systems, especially at the frontier of nanoscience in which novel properties arise in electronic systems such as quantum dots that range from 1-100 nanometers in size. The other half of the faculty works on collective properties of classical systems for which quantum mechanics plays little if any role. See all Condensed Matter Physics information.
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Condensed matter physics is the field of physics that deals with the macroscopic physical properties of matter. In particular, it is concerned with the "condensed" phases that appear whenever the number of constituents in a system is extremely large and the interactions between the constituents are strong. The most familiar examples of condensed phases are solids and liquids, which arise from the bonding and electromagnetic force between atoms. More exotic condensed phases include the superfluid and the Bose-Einstein condensate found in certain atomic systems at very low temperature, the superconducting phase exhibited by conduction electrons in certain materials, and the ferromagnetic and antiferromagnetic phases of spins on atomic lattices.
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