Christopher T. Hill

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Christopher T. Hill
Born June 19, 1951
Neenah, Wisconsin
Nationality United States
Institutions Fermilab
Alma mater M.I.T.
Doctoral advisor Murray Gell-Mann
Known for Topcolor; Top quark condensate; Dimensional deconstruction; Theory of UHE Cosmic Rays; Soft Nambu-Goldstone Boson model of Dark Matter.

Christopher T. Hill is a theoretical physicist at the Fermi National Accelerator Laboratory. He did undergraduate work in physics at M.I.T. (B.S., M.S., 1972), and graduate work at Caltech (Ph.D., 1977, Murray Gell-Mann). Hill's Ph.D. thesis, "Higgs Scalars and the Nonleptonic Weak Interactions" (1977) contains the first detailed discussion of the two-Higgs-doublet model.[1]

Hill has made contributions to dynamical theories of electroweak symmetry breaking, and is an originator of the top quark infrared fixed point,[2] top quark condensates,[3] topcolor,[4][5] top-seesaw models,[6] and dimensional deconstruction.[7] He is also an originator of cosmological models of dark energy and dark matter based upon ultra-low mass (Nambu-Goldstone) bosons generally associated with neutrino masses.[8]

With David Schramm (astrophysicist), he developed transport equations describing the evolution of the spectrum of ultra-high-energy (UHE) cosmic rays[9] and proposed modern theories of the origin of ultra-high-energy (UHE) nucleons and (UHE) neutrinos from grand unification relics, such as cosmic strings and monopole annihilation.[10][11][12]

In the 1980s he developed functional Schrödinger field theory methods for treating problems in quantum cosmology and carried out detailed calculations of local operator matrix elements at Feynman-loop level in Rindler space.[13][14]

Hill is a Fellow of the American Physical Society and formerly Head of the Theoretical Physics Department at Fermilab (2005 - 2012). He has authored three popular books with Nobel laureate Leon Lederman.


  • Symmetry and the Beautiful Universe, Christopher T. Hill and Leon M. Lederman, Prometheus Books (2005)[11]
  • Quantum Physics for Poets, Christopher T. Hill and Leon M. Lederman, Prometheus Books (2010)[12]
  • Beyond the God Particle, Christopher T. Hill and Leon M. Lederman, Prometheus Books (2013)[13]
  • Hill's scientific publications are available on the INSPIRE-HEP Literature Database[14]
  •, Educational website of Christopher T. Hill and Leon M. Lederman, [15]
  • Website of Christopher T. Hill [16]


  1. ^ "Higgs Scalars and the Nonleptonic Weak Interactions" (1977)
  2. ^ "Quark and lepton masses from renormalization-group fixed points," Phys. Rev. D 24, 691–703 (1981) [1]
  3. ^ "Minimal dynamical symmetry breaking of the standard model," Phys. Rev. D 41, 1647–1660 (1990) [2]
  4. ^ "Topcolor Assisted Technicolor," Phys. Lett. B345 (1995) 483-489
  5. ^ "Topcolor: top quark condensation in a gauge extension of the standard model," Phys. Lett. B266 (1991) 419-424 [3]
  6. ^ "Top quark seesaw theory of electroweak symmetry breaking," Phys. Rev. D59 (1999) 075003, [4]
  7. ^ "Gauge invariant effective Lagrangian for Kaluza-Klein modes," Phys. Rev. D64 (2001) 105005 [5]
  8. ^ "Cosmology with ultralight pseudo Nambu-Goldstone bosons," Phys. Rev. Lett. 75 (1995) 2077-2080 [6]
  9. ^ "The Ultrahigh-Energy Cosmic Ray Spectrum," Phys. Rev. D31 (1985) 564
  10. ^ "Ultrahigh-Energy Cosmic Rays from Superconducting Cosmic Strings," Phys. Rev. D36 (1987) 1007 [7]
  11. ^ "Grand unified theories," topological defects and ultrahigh-energy cosmic rays, Phys. Rev. Lett. 69 (1992) 567-570 [8]
  12. ^ "Monopolonium," Nucl. Phys. B224 (1983) 469
  13. ^ "One Loop Operator Matrix Elements in the Unruh Vacuum," Nucl. Phys. B277 (1986) 547 [9]
  14. ^ "Can the Hawking Effect Thaw a Broken Symmetry?" Phys. Lett. B155 (1985) 343 [10]

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