superlattice theory
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Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Richard Liboff — Richard L. Liboff is a U.S. physicist who has authored five books and nearly 150 other publications in variety of fields, including plasma physics, planetary physics, cosmology, quantum chaos, and quantum billiards.He earned his Ph.D., 1961 from… … Wikipedia
Composite fermion — For other uses, see Fermions#Composite fermions. A composite fermion is the bound state of an electron and an even number of quantized vortices, sometimes visually pictured as the bound state of an electron and, attached, an even number of… … Wikipedia
X-ray crystal truncation rod — scattering is a powerful method in surface science, based on analysis of X ray diffraction patterns from a crystalline surface. For an infinite crystal, the diffracted pattern is concentrated in delta function like Bragg peaks. Presence of… … Wikipedia
Raman spectroscopy — Energy level diagram showing the states involved in Raman signal. The line thickness is roughly proportional to the signal strength from the different transitions. Raman spectroscopy ( … Wikipedia
Ernst G. Bauer — (born 1928) German American physicist. He is known for his studies in the field of surface science. His most notable contributions are his work on establishing thin film growth and nucleation mechanisms, and his invention of the low energy… … Wikipedia
High frequency — (HF) radio frequencies are between 3 and 30 MHz. Also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters (ten to one hundred metres). Frequencies immediately below HF are denoted Medium frequency… … Wikipedia
Cuprate — For cuprate superconductors, see High temperature superconductivity#Cuprates. The unit cell of high temperature cuprate superconductor BSCCO 2212 Cuprates (from Latin cuprum meaning copper) are chemical compounds containing copper anion. Cuprates … Wikipedia
X-ray standing waves — The X ray standing wave technique = The X ray standing wave (XSW) technique can be used to study the structure of surfaces and interfaces with high spatial resolution and chemical selectivity. Pioneered by B.W. Batterman in the 1960s the… … Wikipedia
Resonant tunnelling diode — A resonant tunnel diode (RTD) is a device which uses quantum effects to produce negative differential resistance (NDR). As an RTD is capable of generating a terahertz wave at room temperature, it can be used in ultra high speed circuitry.… … Wikipedia
Xie Xide — (Chinese: 謝希德; Pinyin: Xiè Xīdé; also known as Hsi teh Hsieh, 1921 2000) was a Chinese physicist. She was President of Fudan University from 1983 to 1988, and remained as Advisor to the University from 1988 until her death. She helped to set up… … Wikipedia
