In Condensed Matter Physics
Within a solid the mass in the cyclotron frequency equation above is replaced with the effective mass tensor . Cyclotron resonance is therefore a useful technique to measure effective mass and Fermi surface cross-section in solids. In a sufficiently high magnetic field at low temperature in a relatively pure material
where is the carrier scattering lifetime, is Boltzmann's constant and is temperature. When these conditions are satisfied, an electron will complete its cyclotron orbit without engaging in a collision, at which point it is said to be in a well-defined Landau level.
Read more about this topic: Electron Cyclotron Resonance
Famous quotes containing the words condensed, matter and/or physics:
“There is no doubt that the loftiest written wisdom is either rhymed or in some way musically measured,—is, in form as well as substance, poetry; and a volume which should contain the condensed wisdom of mankind need not have one rhythmless line.”
—Henry David Thoreau (1817–1862)
“... what is especially insufferable in a woman is a restless, bold, domineering manner, for this manner goes against nature.... [ellipsis in source] No matter what her worth, no matter that she never forgets that she could be a man by virtue of her superiority of mind and the force of her will, on the outside she must be a woman! She must present herself as that creature made to please, to love to seek support, that being who is inferior to man and who approaches the angels.”
—Elisabeth-Felicite Bayle-Mouillard (1796–1865)
“We must be physicists in order ... to be creative since so far codes of values and ideals have been constructed in ignorance of physics or even in contradiction to physics.”
—Friedrich Nietzsche (1844–1900)