Symmetries in Quantum Mechanics


Symmetry and quantum mechanics are two of the most fundamental probes we have of nature. This collection of eleven papers discusses new quantum phenomena in atoms, galaxies, and people (quantum cognition), which is a testimonial to the breadth of the influence of symmetry and quantum mechanics. The papers can be divided into four broad categories: 1. Fundamentals of quantum systems, including a new derivation of the uncertainty principle from optimal stochastic control theory, a new model of energy transfer between atoms with no wave function collapse, a new asymmetric optical micro-device with the remarkable property of showing a current with no applied voltage, a group theory method to compute radiative shifts, and a model of quantum cognition to predict the effect of irrelevant information on decision making, 2. Algebraic methods in quantum mechanics, applied for the elegant derivation of hydrogen atom Stark effect matrix elements and a group theoretical method for the computation of radiative shifts, 3. Teleportation and scattering, including a method to improve the information transfer in teleportation and the use of permutation symmetry to compute scattering cross sections, and 4. Cosmology, including scalar-tensor theory applied to inflation, the characterization of new Levi-Cevita spacetimes, and the analysis of gravitational dispersion forces. The book represents an international effort of researchers from educational and research institutions in nine countries, including India, Finland, France, Mexico, Norway, Russia, Spain, Turkey, and the United States.



Transformations explore the challenges of self-expression and self-acceptance we may face, the doubts and fears about being vulnerable, and sharing who we really are. Are we enough? Are we true to ourselves and to others? The poems and art explore, with humor and compassion, the transformation of moving beyond the barriers into the light and joy of self-expression. Most of the poems and art were created while Jordan was living in southwest Wisconsin with his family and doing research in quantum physics.