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2. State of matter - Wikipedia

   en.wikipedia.org/wiki/State_of_matter

   Quark matter or quantum chromodynamical (QCD) matter is a group of phases where the strong force is overcome and quarks are deconfined and free to move. Quark matter phases occur at extremely high densities or temperatures, and there are no known ways to produce them in equilibrium in the laboratory; in ordinary conditions, any quark matter ...

3. List of states of matter - Wikipedia

   en.wikipedia.org/wiki/List_of_states_of_matter

   Solid: A solid holds a definite shape and volume without the need of a container. The particles are held very close to each other. Amorphous solid: A solid in which there is no far-range order of the positions of the atoms. Crystalline solid: A solid in which atoms, molecules, or ions are packed in regular order.

4. Matter - Wikipedia

   en.wikipedia.org/wiki/Matter

   A baryon such as the proton or neutron has a baryon number of one, and a quark, because there are three in a baryon, is given a baryon number of 1/3. So the net amount of matter, as measured by the number of quarks (minus the number of antiquarks, which each have a baryon number of −1/3), which is proportional to baryon number, and number of ...

5. Solid state - Wikipedia

   en.wikipedia.org/wiki/Solid_state

   3 Science. 4 See also. ... Download as PDF; Printable version; ... Solid state, or solid matter, is one of the four fundamental states of matter.

6. Liquidus and solidus - Wikipedia

   en.wikipedia.org/wiki/Liquidus_and_solidus

   The solidus is the locus of temperatures (a curve on a phase diagram) below which a given substance is completely solid (crystallized). The solidus temperature specifies the temperature below which a material is completely solid, [2] and the minimum temperature at which a melt can co-exist with crystals in thermodynamic equilibrium.

7. Supersolid - Wikipedia

   en.wikipedia.org/wiki/Supersolid

   A supersolid is a special quantum state of matter where particles form a rigid, spatially ordered structure, but also flow with zero viscosity.This is in contradiction to the intuition that flow, and in particular superfluid flow with zero viscosity, is a property exclusive to the fluid state, e.g., superconducting electron and neutron fluids, gases with Bose–Einstein condensates, or ...

8. Solid-state physics - Wikipedia

   en.wikipedia.org/wiki/Solid-state_physics

   Solid-state physics is the study of rigid matter, or solids, through methods such as solid-state chemistry, quantum mechanics, crystallography, electromagnetism, and metallurgy. It is the largest branch of condensed matter physics. Solid-state physics studies how the large-scale properties of solid materials result from their atomic-scale ...

9. Composition of matter - Wikipedia

   en.wikipedia.org/wiki/Composition_of_matter

   The United States Supreme Court has defined "composition of matter" to mean "all compositions of two or more substances and all composite articles, whether they be the results of chemical union, or of mechanical mixture, or whether they be gases, fluids, powders or solids." [2] That definition is problematic, however, because composite articles ...