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A macroscopic quantum state is a state of matter in which macroscopic properties, such as mechanical motion, [1] thermal conductivity, electrical conductivity [2] and viscosity, can be described only by quantum mechanics rather than merely classical mechanics. [3]
Ferromagnetism: A state of matter with spontaneous magnetization. Antiferromagnetism: A state of matter in which the neighboring spin are antiparallel with each other, and there is no net magnetization. Ferrimagnetism: A state in which local moments partially cancel. Altermagnetism: A state with zero net magnetization and spin-split electronic ...
At one point, when the overlap becomes significant, a macroscopic number of particles condense into the ground state. In condensed matter physics, a Bose–Einstein condensate (BEC) is a state of matter that is typically formed when a gas of bosons at very low densities is cooled to temperatures very close to absolute zero, i.e., 0 K (−273.15 ...
Forms of matter that are not composed of molecules and are organized by different forces can also be considered different states of matter. Superfluids (like Fermionic condensate) and the quark–gluon plasma are examples. In a chemical equation, the state of matter of the chemicals may be shown as (s) for solid, (l) for liquid, and (g) for gas.
In physics, topological order [1] describes a state or phase of matter that arises in quantum mechanics. Whereas classical phases of matter such as gases and solids correspond to microscopic patterns in the spatial arrangement of particles, topological orders correspond to patterns of long-range quantum entanglement. [2]
Macroscopic quantum phenomena are processes showing quantum behavior at the macroscopic scale, rather than at the atomic scale where quantum effects are prevalent. The best-known examples of macroscopic quantum phenomena are superfluidity and superconductivity ; other examples include the quantum Hall effect , Josephson effect and topological ...
Scientists investigated a new two-dimensional form of matter known as Bose glass, which could help physicists study a concept known as many-body localization. A New 2D State of Matter Could Propel ...
Condensed matter physics is the field of physics that deals with the macroscopic and microscopic physical properties of matter, especially the solid and liquid phases, that arise from electromagnetic forces between atoms and electrons. More generally, the subject deals with condensed phases of matter: systems of many constituents with strong ...