1. He also researches in beyond standard model physics and quantum field theory. 2. It is used in quantum mechanics, scattering theory and quantum field theory. 3. Creator Ocneanu researches mathematical aspects of quantum field theory ( QFT ). 4. Vacuum fluctuations are an essential and ubiquitous part of quantum field theory. 5. From there it moves on to particle theory and quantum field theory. 6. In a Quantum Field Theory, a Quantum Fluctuation probes arbitrarily short distances. 7. Under appropriate simplifying assumptions this can be described without quantum field theory. 8. This culminated in the formulation of ideas of a quantum field theory. 9. In 1934 he devised a fully covariant perturbation theory for quantum fields . 10. The quantum fields of bosons are bosonic fields, obeying canonical commutation relations.