ABSTRACT
In this final chapter we wish to reiterate briefly, using other words, the basic and key concept of the spin glasses, namely, symmetry breaking resulting in the rough multi-valley landscape of the system’s energy in phase space. Then, we proceed to one of the latest (1992) developments in the experimental area that of mesoscopic or nanostructured spin glasses and their special fluctuations. And afterwards we take a last quick look at the theory: what does it say about dimensional crossover (3D + 2D) and how does the freezing temperature depend on the length scale? This is followed by some of the most recent computer simulations. Here there are appearing some novel and altered interpretations. These final considerations will clearly illustrate to us the ongoing stream of progress in a relatively dormant field of physics. At last we end the book with a few compositional thoughts about our journey through the spin glasses and where to find what.
