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Department of Physics

Professor Calvin W. Johnson

Web pages

 


     Some amusing quotes about research

     In the department of self-promotion (which actually I shy away from but....)

   "Seven things about...." from SDSU News Center

    Science fiction and the human condition

News

     Aug 31, 2015: My paper, "Systematics of strength function sum rules," has been published: Phys. Lett. B 750, 72 (2015).

     March 11, 2015: My paper, "Spin-orbit decomposition of ab initio nuclear wavefunctions" has been published: Phys. Rev. C 91, 034313 (2015)

     November 5, 2014: I have a science fiction appearing in the December issue of ANALOG SCIENCE FICTION AND FACT.  You can read a sample of it here.

     August 18, 2014: I have started a blog, for posting essays on science, science fiction, and related topics.

     August 7, 2014: Micah Schuster (Ph.D student) wins award for best     summer student research poster at Lawrence Livermore National Lab. He also won the past two years.

Recent publications

    "Systematics of strength function sum rules," has been published: Phys. Lett. B 750, 72 (2015).

    "Spin-orbit decomposition of ab initio nuclear wavefunctions" C. W. Johnson  Phys. Rev. C 91, 034313 (2015)

    "Isoscalar and isovector pairing in a formalism of quartets," M. Sambataro, N. Sandulescu, and C. W. Johnson, Phys. Lett B 740, 137 (2015).

       "Testing the spin-cutoff parameterization with shell-model calculations," W. M. Spinella and C. W. Johnson, Phys. Rev. C 90, 014315 (2014), see also arXiv:1304.7746

        "Operator evolution for ab initio theory of light nuclei" M. D. Schuster,  S. Quaglioni, C. W. Johnson, E. D. Jurgenson, and P. Navratil, Phys. Rev. C 90,  011301(R) (2014), see also arXiv:1402:7106

    "Factorization in large-scale many-body calculations," C. W. Johnson, W. E. Ormand, and P. G. Krastev, Comp. Phys. Comm. 184, 2761-2774 (2013), see also arXiv:1303:0905    This paper describes the algorithms underlying the BIGSTICK shell-model code, at the heart of much of our research.

   Other recent writing

        "Lives of the Elementary Particles" (fiction)

        "What the Higgs Boson Means to Me" (poetry)