Rigden, John S.: Rabi’s Resonance Method

Notes 14 : Spins in Magnetic Fields

A nice illustration of rotation operator methods that is also important physically is the problem of spins in magnetic fields. The earliest experiments with spins in magnetic fields were those of Stern and Gerlach, which first revealed the quantization of electron spin. Similar but later experiments by Stern and other collaborators were used to make crude measurements of the proton magnetic mom...

Magnetic Resonance Imaging: From Spin Physics to Medical Diagnosis

Two rather similar historical evolutions are evoked, each one originating in fundamental spin studies by physicists, and ending as magnetic resonance imaging (MRI), a set of invaluable tools for clinical diagnosis in the hands of medical doctors. The first one starts with the early work on nuclear magnetic resonance, the founding stone of the usual proton-based MRI, of which the basic principle...

Survival of children with chronic renal failure.

Cp Symmetry Violation

The symmetry known as CP is a fundamental relation between matter and antimatter. The discovery of its violation by Christenson, Cronin, Fitch, and Turlay (1964) has given us important insights into the structure of particle interactions and into why the Universe appears to contain more matter than antimatter. In 1928, Paul Dirac predicted that every particle has a corresponding antiparticle. I...

Efficient Determination of Resonance Frequencies in Resonant Structures Using the Fdtd Method

In this paper, we present a finite-difference time-domain technique for determining the resonance frequencies of microwa e components by deri ing the standing-wa e patterns rather than simulating the scattering parameter spectra of the component. We show that, compared to the S-parameter spectra simulation technique, the technique proposed herein can sa e the time needed to compute the resonant...