R
Roman Jackiw
Researcher at Massachusetts Institute of Technology
Publications - 235
Citations - 33816
Roman Jackiw is an academic researcher from Massachusetts Institute of Technology. The author has contributed to research in topics: Gauge theory & Quantum field theory. The author has an hindex of 76, co-authored 235 publications receiving 31639 citations. Previous affiliations of Roman Jackiw include Harvard University & CERN.
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A PCAC puzzle: π0→γγ in the σ-model
TL;DR: In this paper, a modification of the Pauli-Villars-Gupta regularization was proposed which respects both PCAC and gauge invariance for π0→γγ.
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Three-dimensional massive gauge theories
TL;DR: In this article, the authors analyzed three-dimensional Yang-Mills and gravity theories augmented by gauge-invariant mass terms and quantized a dimensionless mass-couplingconstant ratio.
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Solitons with Fermion Number 1/2
Roman Jackiw,C. Rebbi +1 more
TL;DR: In this article, it was shown that the existence of a non-degenerate, isolated, zero-energy, $c$-number solution of the Dirac equation implies that the soliton is a degenerate doublet with Fermi number.
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Symmetry Behavior at Finite Temperature
Louise Dolan,Roman Jackiw +1 more
TL;DR: In this article, a functional-diagrammatic evaluation of the effective potential and the effective mass of a graph is performed to determine whether the symmetry is restored above a critical temperature, and an approximate gap equation is derived to describe the theory near the critical point.
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Topologically Massive Gauge Theories
TL;DR: In this article, the authors studied the effects of topological properties on the masses of the gauge fields in three-dimensional space-time, where novel, gauge invariant, P and T odd terms of topology origin give rise to masses for the gauge field.