Superradiance for the study of gamma ray lasers in a system with a change of angular momentum
Abstract
The superradiance of a system of isomer nuclei (atoms) due to electromagnetic transitions with the change in angular motion momentum is studied analytically. It was assumed that the atomic elements of the system were connected to each other by a magneticexchange interaction. It is shown that the interaction may be of the RudermanKittel or the ShullNakamura types, as well as of any other types which result in nuclear ferromagnetism at temperatures below the critical level. The initial state of the system is found to have a full symmetric wave function which is the eigenfunction of the whole Hamiltonian, as well as the R(2), R(z), J(2) and J(z) operators and the maximum cooperation number. The superradiance intensity of the system is found, assuming /k/ is constant for the angles from zero to the Bragg angle. The application of the initial state analysis to the study of gammaray laser systems is discussed.
 Publication:

Laser and Particle Beams
 Pub Date:
 May 1985
 DOI:
 10.1017/S0263034600001348
 Bibcode:
 1985LPB.....3..109K
 Keywords:

 Angular Momentum;
 Ferromagnetism;
 Gamma Ray Lasers;
 Isomers;
 Radiance;
 Wave Functions;
 Bragg Angle;
 Eigenvectors;
 Electron States;
 Hamiltonian Functions;
 Nuclei (Nuclear Physics);
 Selection Rules (Nuclear Physics);
 Waveguides;
 Lasers and Masers