Laboratory techniques in condensed matter physics involve various experimental methods used to study the properties and behaviors of condensed matter systems, which include solids and liquids. These techniques aim to investigate the microscopic and macroscopic characteristics of materials, often at the atomic or molecular level.
Angular correlation in the context of electron-positron annihilation refers to the angular distribution of the gamma radiation produced when an electron and its antiparticle, the positron, annihilate each other. When an electron and positron collide, they can annihilate to produce gamma-ray photons. Typically, this process produces two gamma rays (photons) that travel in opposite directions.
Ptychography is a coherent imaging technique used primarily in the field of microscopy and diffraction imaging. It involves the collection of data from multiple overlapping regions of a sample and utilizes advanced computational methods to reconstruct high-resolution images of the sample's internal structure. This approach is particularly valuable for imaging materials at a resolution limited by diffraction.
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