Mechanism for nuclear and electron spin excitation by radio frequency current
نویسندگان
چکیده
Stefan Müllegger,1,* Eva Rauls,2,† Uwe Gerstmann,2 Stefano Tebi,1 Giulia Serrano,1 Stefan Wiespointner-Baumgarthuber,1 Wolf Gero Schmidt,2 and Reinhold Koch1 1Institute of Semiconductor and Solid State Physics, Johannes Kepler University Linz, 4040 Linz, Austria 2Lehrstuhl für Theoretische Physik, University of Paderborn, 33098 Paderborn, Germany (Received 8 October 2015; revised manuscript received 30 November 2015; published 23 December 2015)
منابع مشابه
All-optical measurement of nuclear-spin relaxation
Nuclear-spin relaxation rates are usually measured by pulsed radio frequency excitation of nuclear-spin transitions. When the number of spins is too small for direct detection with conventional nuclear-magneticresonance spectrometers, pulsed excitation may be combined with optical detection of the nuclear spins for increased sensitivity. Here we demonstrate that such measurements can also be do...
متن کاملDynamic nuclear polarization andKnight shift measurements in a breakdown regime of integer quantumHall effect
Nuclear spins are polarized electrically in a breakdown regime of an odd-integer quantum Hall effect (QHE). Electron excitation to the upper Landau subband with the opposite spin polarity flips nuclear spins through the hyperfine interaction. The polarized nuclear spins reduce the spin-splitting energy and accelerate the QHE breakdown. The Knight shift of the nuclear spins is also measured by t...
متن کاملCoherent storage of microwave excitations in rare-earth nuclear spins.
Interfacing between various elements of a computer--from memory to processors to long range communication--will be as critical for quantum computers as it is for classical computers today. Paramagnetic rare-earth doped crystals, such as Nd(3+):Y2SiO5(YSO), are excellent candidates for such a quantum interface: they are known to exhibit long optical coherence lifetimes (for communication via opt...
متن کاملادغام الگوی شبکهای هولشتاین - کاندو برای توصیف نظریه ابررساناهای دمای بالا
It is a common knowledge that the formation of electron pairs is a necessary ingredient of any theoretical work describing superconductivity. Thus, finding the mechanism of the formation of the electron pairs is of utmost importance. There are some experiments on high transition temperature superconductors which support the electron-phonon (e-ph) interactions as the pairing mechanism (ARPES),...
متن کاملHigh-Fidelity Bidirectional Nuclear Qubit Initialization in SiC.
Dynamic nuclear polarization (DNP) is an attractive method for initializing nuclear spins that are strongly coupled to optically active electron spins because it functions at room temperature and does not require strong magnetic fields. In this Letter, we theoretically demonstrate that DNP, with near-unity polarization efficiency, can be generally realized in weakly coupled electron spin-nuclea...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2015