Alphawave Research / Latest blog posts from Alphawave Research en-us Alphawave Research Wed, 29 Jan 2025 12:38:57 -0500 R. W. Johnson, Algorithm 988: AMGKQ: An Efficient Implementation of Adaptive Multivariate Gauss-Kronrod Quadrature for Simultaneous Integrands in Octave/MATLAB, ACM Trans. Math. Softw. 44, 3, Article 36 (2018) /publications/article-27/ Sat, 01 Sep 2018 00:00:00 +0000 /publications/article-27/ R. W. Johnson, A Physicist’s Perspective on How One Converts Observation into Information, Chapter 16 in Information Studies and the Quest for Transdisciplinarity, May 2017, 437-466 /publications/article-26/ Mon, 01 May 2017 00:00:00 +0000 /publications/article-26/ R. W. Johnson, Some notes on the use of the windowed Fourier transform for spectral analysis of discretely sampled data, Axioms 2, 3, 286 (2013) /publications/article-25/ Mon, 24 Jun 2013 00:00:00 +0000 /publications/article-25/ R. W. Johnson, Potential formulation of the dispersion relation for a uniform, magnetized plasma with stationary ions in terms of a vector phasor, Phys. Plasmas 19, 062103 (2012) /publications/article-24/ Tue, 19 Jun 2012 00:00:00 +0000 /publications/article-24/ R. W. Johnson, Extended wavelet transform for discretely sampled data, Chap. 6 in Wavelets: Classification, Theory and Applications, eds. M. del Valle, R. M. Guerrero and J. M. G. Salgado, Nova Science Publishers, ISBN: 978-1-62100-252-9 /publications/article-23/ Thu, 19 Apr 2012 00:00:00 +0000 /publications/article-23/ R. W. Johnson, Symmetrization and enhancement of the continuous Morlet transform, Int. J. Wavelets Multi. 10, 1, 1250009 (2012) /publications/article-22/ Sun, 01 Jan 2012 00:00:00 +0000 /publications/article-22/ R. W. Johnson, MaxEnt power spectrum estimation using the Fourier transform for irregularly sampled data applied to a record of stellar luminosity, Astrophys. Space Sci. 338, 1, 35 (2012) /publications/article-21/ Wed, 30 Nov 2011 00:00:00 +0000 /publications/article-21/ R. W. Johnson, Reevaluation of the Braginskii viscous force for toroidal plasma, J. Plasma Phys. 77, 6, 829 (2011) /publications/article-20/ Mon, 13 Jun 2011 00:00:00 +0000 /publications/article-20/ R. W. Johnson, Critical evaluation of the neoclassical model for the equilibrium electrostatic field in a tokamak, Mech. Res. Commun. 38, 2, 146 (2011) /publications/article-19/ Tue, 01 Mar 2011 00:00:00 +0000 /publications/article-19/ R. W. Johnson, General heatbath algorithm for pure lattice gauge theory, Phys. Rev. D 82, 114508 (2010) /publications/article-16/ Thu, 16 Dec 2010 00:00:00 +0000 /publications/article-16/ R. W. Johnson, Power law relating 10.7 cm flux to sunspot number, Astrophys. Space Sci. 332, 1, 73 (2011) /publications/article-17/ Sat, 23 Oct 2010 00:00:00 +0000 /publications/article-17/ R. W. Johnson, Fitting a sum of exponentials to lattice correlation functions using a non-uniform prior, Eur. Phys. J. C 70, 1, 233 (2010) /publications/article-15/ Thu, 30 Sep 2010 00:00:00 +0000 /publications/article-15/ R. W. Johnson, Modelling the electric field applied to a tokamak, Eur. Phys. J. D 59, 3, 407 (2010) /publications/article-14/ Tue, 06 Jul 2010 00:00:00 +0000 /publications/article-14/ R. W. Johnson, Stationary axial plasma equilibrium in light of the magnetic polarization force, Mech. Res. Commun. 37, 42 (2010) /publications/article-13/ Tue, 01 Jun 2010 00:00:00 +0000 /publications/article-13/ R. W. Johnson, Edge adapted wavelets, solar magnetic activity, and climate change, Astrophys. Space Sci. 326, 2, 181 (2010) /publications/article-12/ Wed, 06 Jan 2010 00:00:00 +0000 /publications/article-12/ R. W. Johnson, Macroscopic electromagnetic stress tensor for ionized media, J. Plasma Phys. 77, 1, 107 (2011) /publications/article-18/ Tue, 22 Dec 2009 00:00:00 +0000 /publications/article-18/ R. W. Johnson, Enhanced wavelet analysis of solar magnetic activity with comparison to global temperature and the Central England Temperature record, J. Geophys. Res. - Space Phys. 114, A05105 (2009) /publications/article-11/ Sat, 16 May 2009 00:00:00 +0000 /publications/article-11/ R. W. Johnson, Comment on “Plasma ionization by annularly bounded helicon waves” [Phys. Plasmas 13, 063501 (2006)], Phys. Plasmas 16, 054701 (2009) /publications/article-10/ Mon, 04 May 2009 00:00:00 +0000 /publications/article-10/ R. W. Johnson, Improved superlinks for higher spin glueballs, Phys. Rev. D 76, 074502 (2007) /publications/article-09/ Fri, 19 Oct 2007 00:00:00 +0000 /publications/article-09/ W. M. Stacey, et al., Advances in the sub-critical, gas-cooled, fast transmutation reactor concept, Nucl. Technol. 159, 72 (2007) /publications/article-08/ Sun, 01 Jul 2007 00:00:00 +0000 /publications/article-08/ W. M. Stacey, R. W. Johnson and J. Mandrekas, A neoclassical calculation of rotation profiles and comparison with DIII-D measurements, Phys. Plasmas 13, 062508 (2006) /publications/article-07/ Wed, 14 Jun 2006 00:00:00 +0000 /publications/article-07/ R. W. Johnson, Spin resolution of glueballs in 2+1 dimensional lattice gauge theory, Phys. Rev. D 66, 074502 (2002) /publications/article-06/ Wed, 02 Oct 2002 00:00:00 +0000 /publications/article-06/ R. W. Johnson and M. Teper, String models of glueballs and the spectrum of SU(N) gauge theories in 2+1 dimensions, Phys. Rev. D 66, 036006 (2002) /publications/article-05/ Thu, 01 Aug 2002 00:00:00 +0000 /publications/article-05/ R. W. Johnson, Glueballs in Flatland, D.Phil. Thesis, Oxford University (2002) /publications/article-04/ Tue, 02 Jul 2002 00:00:00 +0000 /publications/article-04/ R. W. Johnson and M. Teper, Distinguishing J=4 from J=0 on a cubic lattice, Nucl. Phys. Proc. Suppl. 73, 267-269 (1999) /publications/article-03/ Mon, 01 Mar 1999 00:00:00 +0000 /publications/article-03/ R. W. Johnson and M. Teper, An extended Isgur-Paton model: Agreement with the lattice?, Nucl. Phys. Proc. Suppl. 63, 197-199 (1998) /publications/article-02/ Wed, 15 Apr 1998 00:00:00 +0000 /publications/article-02/ M. S. Chu, J. M. Greene, T. H. Jensen, R. L. Miller, A. Bondeson, R. W. Johnson, and M. E. Mauel, Effect of toroidal plasma flow and flow shear on global MHD modes, Phys. Plasmas 2, 2236 (1995) /publications/article-01/ Thu, 01 Jun 1995 00:00:00 +0000 /publications/article-01/