Researching the theory of elementary particles, condensed matter and cosmology
The Royal Society of Canada has described Affleck as one of the best known theoretical physicists of his generation. Affleck’s expertise is on the theory of elementary particles. He applies ideas from quantum field theory to a wide range of topics, spanning particle and condensed matter physics and including statistical mechanics, supergravity and superconductivity. His theories bridge the behaviours of elementary particles (neutrons, protons and quarks) with those of condensed matter (solids such as crystals, semiconductors, metals and gems.) He is invited world-wide to lecture and to work with researchers on the leading edge of particle physics and theoretical condensed matter physics.
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How long would a single molecule of a radioactive element last? If the half-life of U-235 reduces its mass by half, and the resulting mass is also reduced into half by another half-life term, then a given mass would last indefinitely, because a half would always remain. In other words, some molecule of that radioactive mass would last longer than the rest of the molecules. Isn't the lifetime of a single molecule of that radioactive a constant? Is the concept of "half-life" valid?