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J.G. Hartnett, “Secondary frequency standards: Frequency-temperature compensated resonator design and improved frequency discriminators,” PhD thesis, passed with distinction, Physics Dept, University of WA, 210 pages, 2000.
B1. J.G. Hartnett, M.E. Tobar, “Frequency-temperature compensation techniques for high-Q microwave resonators,” invited review paper in Frequency Measurement and Control: Advanced Techniques and Future Trends, Editor: A.N. Luiten, Springer-Verlag Topics in Applied Physics, Vol 79, pp. 67-91, 2001.
B2. ME Tobar, PL Stanwix, EN Ivanov, AC Fowler, JG Hartnett, J-M le Floch, MM Miao, P Wolf, “Precision microwave oscillators and interferometers to test Lorentz invariance in electrodynamics,” refereed book chapter in Rencontres de Moriond on Gravitation, Ed. Jacques Dumarchez, pp.227-234, La Thuile, March 2007.
B3. J.G. Hartnett and M.E. Tobar, “Properties of Gravitational Waves in an Expanding Universe,” invited chapter in Relativity: Modern Large-Scale Spacetime Structure of the Cosmos, Editor: M. Carmeli, World Scientific, Singapore, Chapter 9, pp. 283-295, 2008.
B4. J.G. Hartnett, “Spiral Galaxy Rotation Curves in the Brane World Theory in Five Dimensions,” invited chapter in Relativity: Modern Large-Scale Spacetime Structure of the Cosmos, Editor: M. Carmeli, World Scientific, Singapore, Chapter 10, pp. 297-317, 2008.
B5. J.G. Hartnett and F.J. Oliveira, “Testing CGR against High Redshift Observations,” invited chapter in Relativity: Modern Large-Scale Spacetime Structure of the Cosmos, Editor: M. Carmeli, World Scientific, Singapore, Chapter 13, pp. 343-361, 2008.
B6. J.G. Hartnett, “Extending the Hubble Diagram to Higher Redshifts in CGR,” invited chapter in Relativity: Modern Large-Scale Spacetime Structure of the Cosmos, Editor: M. Carmeli, World Scientific, Singapore, Chapter 14, pp. 363-380, 2008.
B7. J.G. Hartnett, “Spheroidal and Elliptical Galaxy Velocity Dispersion from CGR,” invited chapter in Relativity: Modern Large-Scale Spacetime Structure of the Cosmos, Editor: M. Carmeli, World Scientific, Singapore, Appendix C, pp. 409-420, 2008.
B8. J.G. Hartnett, “The Large Structure of the Universe Determined from Carmeli’s Cosmology is an Accelerating Universe without Dark Matter,” invited chapter in Relativity, Gravitation, and Cosmology: New Developments, Editor: V.V. Dvoeglazov, Nova Science Publishers, pp. 57-72, 2010.
B9. M.E. Tobar, S.R. Parker, P.L. Stanwix, J.G. Hartnett, E.N. Ivanov, M. Nagel, A. Peters, M. Mewes, “A rotating cryogenic sapphire oscillator for tests of Lorentz invariance,” refereed book chapter in Rencontres de Moriond on Gravitation, E Ed. Jacques Dumarchez, La Thuile, March 2011.
J1. J.G. Hartnett, M.E. Tobar, A.G. Mann, J. Krupka, E.N. Ivanov, “Temperature Dependence of Ti3+ doped sapphire whispering gallery mode resonator,” Electronics Letters, 34, 2, 195-196, 1998.
J2. M.E. Tobar, J. Krupka, J.G. Hartnett, E.N. Ivanov, RA Woode, “High-Q sapphire-rutile frequency-temperature compensated microwave dielectric resonators,” IEEE Trans. on UFFC, 45, 3, 830-836, 1998.
J4. M.E. Tobar, J.G. Hartnett, P. Blondy, J. Krupka, E.N. Ivanov, P. Guillon, “Design of high-Q frequency-temperature compensated dielectric resonators,” Electronics Letters, 35, 4, 303-305, 1999.
J5. J. Krupka, K. Derzakowski, M.E. Tobar, J.G. Hartnett, R.G. Geyer, “Complex permittivity of some ultralow loss dielectric crystals at cryogenic temperatures,” Meas. Sci. Technol., 10, 4, 387-392, 1999.
J6. R. Ratheesh, M.T. Sebastian, M.E. Tobar, J.G. Hartnett, D.G. Blair, “Whispering gallery mode microwave characterisation of Ba(Mg,Ta)O dielectric resonators,” J. Phys. D: Appl. Phys., 32, 2821-2826, 1999.
J7. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, D. Cros, P. Blondy, P. Guillon, “Cryogenically cooled sapphire-rutile dielectric resonator for ultra-high frequency stable oscillators for terrestrial and space applications,” Special Issue on “Microwave and Communications Application at Low Temperatures” for IEEE Trans on MTT, 48, 7, 1265-1269, 2000.
J9. J.G. Hartnett, E.N. Ivanov, M.E. Tobar, “Microwave secondary frequency standards: Stability limits due to intrinsic fluctuations in frequency discriminator,” Microwave and Guided Wave Letters, 10, 4, 328-330, 2000.
J10. E.N. Ivanov, J.G. Hartnett, M.E. Tobar, “Cryogenic microwave amplifiers for precision measurements,” IEEE Trans. on UFFC, 47, 6, 1273-1274, 2000.
J11. R. Ratheesh, M.T. Sebastian, P. Mohanan, M.E. Tobar, J.G. Hartnett, R. Woode, D.G. Blair, “Microwave characterisation of BaCe2Ti5O15 and Ba5Nb4O15 ceramic dielectric resonators using whispering gallery mode method,” Materials Letters, 45, 5, 279-285, 2000.
J12. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, D. Cros, P. Blondy, P. Guillon, “Analysis of the rutile-ring method of frequency temperature compensating a high-Q whispering gallery sapphire resonator,” IEEE Trans. on UFFC, 48, 3, 812-820, 2001.
J14. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, D. Cros, P. Blondy “Whispering gallery method of measuring complex permittivity in highly anisotropic materials: Discovery of a new type of mode in anisotropic dielectric resonators,” IEEE Trans. on Instrum. & Meas., 50, 2, 522-525, 2001.
J15. J.G. Hartnett, M.E. Tobar, E.N. Ivanov, “Novel interferometric frequency discriminators for low noise microwave applications,” IEEE Trans. on UFFC, 48, 3, 743-749, 2001.
J16. J.G. Hartnett, M.E. Tobar, E.N. Ivanov, P. Bilski, “Temperature fluctuations in a solid-nitrogen cooled secondary frequency standard,” Cryogenics, 42, 1, 42-48, 2002.
J17. M.E. Tobar, J.G. Hartnett, J.D. Anstie, “Proposal for a new Michelson-Morley experiment using a single whispering spherical mode resonator,” Physics Review A, 300, 33-39, 2002.
J18. M.E. Tobar, E.N. Ivanov, C.R. Locke, J.G. Hartnett, D. Cros, “Cryogenic dual-mode resonator for a fly-wheel oscillator for a caesium frequency standard,” IEEE Trans. on UFFC, 49, 10, 1349-1355, 2002.
J19. J.G. Hartnett, A.N. Luiten, J. Krupka, M.E. Tobar, P. Bilski, “Influence of paramagnetic chromium ions in crystalline YAG at microwave frequencies,” J. Phys. D: Appl. Physics, 35, 1459-1466, 2002.
J20. J.G. Hartnett, M.E. Tobar, D. Cros, P. Guillon, J. Krupka, “High Q-factor Bragg reflection sapphire-loaded cavity TE01d mode resonator,” IEEE Trans. on UFFC, 49, 12, 1628 –1634, 2002.
J21. M.E. Tobar, E.N. Ivanov, C.R. Locke, J.G. Hartnett, “Difference frequency technique to achieve frequency-temperature compensation in whispering-gallery sapphire resonator-oscillator,” Electron. Lett., 38, 17, 948-950, 2002.
J22. M.E. Tobar, E.N. Ivanov, C.R. Locke, J.G. Hartnett, D. Cros, “Improving the frequency stability of microwave oscillators by utilizing the dual-mode sapphire-loaded cavity resonator,” Meas. Sci. Technol., 13, 8, 1284-1288, 2002.
J23. M.E. Tobar, G.L. Hamilton, E.N. Ivanov, J.G. Hartnett, “New method to build a high stability sapphire oscillator from the temperature compensation of the difference frequency between modes of orthogonal polarization,” IEEE Trans. on UFFC, 50, 3, 214-219, 2003.
J26. M.E. Tobar, C.R. Locke, E.N. Ivanov, J.G. Hartnett, O. Piquet, D. Cros, “High-Q factor frequency-temperature compensated sapphire Bragg distributed resonator,” Electronics Letters, 39, 3, 293-295, 2003.
J27. K. Watabe, S. Ohshima, T. Ikegami, J.G. Hartnett, “Tunable double-sapphire-loaded microwave cavity with high-Q factor,” IEICE Trans. Electron., E86-C, 7, 1393-1395, 2003.
J32. J.G. Hartnett, P.Y Bourgeois, J.D. Anstie, M.E. Tobar, N. Bazin, E.N. Ivanov, D. Cros, V. Giordano, Y. Kersalé, “High-Q frequency-temperature compensated solid-nitrogen-cooled resonator-oscillators: first results,” Electron. Lett., 40, 1, 41-42, 2004.
J33. J.G. Hartnett, A.C. Fowler, M.E. Tobar, J. Krupka, “The microwave characterization of single crystal Lithium and Calcium Fluoride at cryogenic temperatures,” Trans on UFFC, 51, 4, 380-385, 2004.
J35. M.V. Jacob, J.G. Hartnett, J. Mazierska, V. Giordano, J. Krupka, M.E. Tobar, “Temperature dependence of permittivity and loss tangent of lithium tantalate at microwave frequencies,” Trans on MTT, 52, 2, 536–541, 2004.
J36. M.E. Tobar, J-M. Le Floch, D. Cros, J. Krupka, J.D. Anstie, J.G. Hartnett, “Spherical Bragg reflector resonators,” Trans on UFFC, 51, 9, 1054-1059, 2004.
J37. K. Watabe, Y. Koga, S. Ohshima, T. Ikegami, J.G. Hartnett, “Cryogenic whispering gallery sapphire oscillator for microwave frequency standard applications,” IEICE Trans. Electron., Vol E87-C, 9, 1640-1642, 2004.
J38. J.G. Hartnett, “Carmeli’s accelerating universe is spatially flat without dark matter,” Int. J. Theor. Phys., 44, 4, 485-492, 2005.
J39. M.E. Tobar, P. Wolf, A. Fowler, J.G. Hartnett, “New methods of testing Lorentz violation in electrodynamics,” Phys. Rev. D, 71, 025004, 2005.
J40. J.G. Hartnett, “The Carmeli metric correctly describes spiral galaxy rotation curves,” Int. J. Theor. Phys., 44, 3, 349-362, 2005.
J41. M.E. Tobar, J-M. le Floch, D. Cros, J.G. Hartnett, “Distributed Bragg reflector resonators with cylindrical symmetry and extremely high Q-factors,” IEEE Trans. on UFFC, 52, 1, 17-26, 2005.
J48. J.D. Anstie, J.G. Hartnett, M.E. Tobar, E.N. Ivanov, P. Stanwix, “Second generation 50K dual-mode sapphire oscillator,” IEEE Trans on UFFC, 53, 2, 284-288, 2006.
J53. J.G. Hartnett, “Spiral galaxy rotation curves determined from Carmelian General Relativity,” Int. J. Theor. Phys., 45, 11, 2147-2165, 2006.
J54. J.G. Hartnett, M.E. Tobar, “Properties of gravitational waves in Cosmological general relativity,” Int. J. Theor. Phys., 45, 11, 2213-2222, 2006.
J56. F.J. Oliveira, J.G. Hartnett, “Carmeli’s cosmology fits data for an accelerating and decelerating universe without dark matter or dark energy,” Found. Phys. Lett., 19, 6, 519-535, 2006.
J57. J-M. LeFloch, J.D. Anstie, M.E. Tobar, J.G. Hartnett, P-Y Bourgeois, D. Cros, “Whispering modes in anisotropic and isotropic dielectric spherical resonators,” Phys. Lett. A, 359, 1-7, 2006.
J58. M.V. Jacob, J.G. Hartnett, J. Mazierska, J. Krupka, M.E. Tobar, “Dielectric Characterisation of Barium Fluoride at Cryogenic Temperatures using a TE011 and quasi TE0mn Mode Dielectric Resonators,” Cryogenics, 46, 730–735, 2006.
J59. M.E. Tobar, E.N. Ivanov, C.R. Locke, P.L. Stanwix, J.G. Hartnett, A.N. Luiten, R.B. Warrington, P.T.H. Fisk, “Long term operation and performance of cryogenic sapphire oscillators,” IEEE Trans. on UFFC, 53, 12, 2386-2393, 2006.
J60. J.G. Hartnett, C.R. Locke, E.N. Ivanov, M.E. Tobar, P.L. Stanwix, “Cryogenic sapphire oscillator with exceptionally high long-term frequency stability,” Appl. Phys. Lett., 89, 20 203513, 2006.
J61. K. Watabe, J.G. Hartnett, C.R. Locke, G. Santarelli, S. Yanagimachi, T. Shimazaki, T. Ikegami and S. Ohshima, “Short term frequency stability tests of two cryogenic sapphire oscillators,” Jap. J. Appl. Phys., 45, 12, 9234–9237, 2006.
J62. A.C. Fowler, M.E. Tobar, C.R. Locke, E.N. Ivanov, J.G. Hartnett, J.D. Anstie, D. Cros, “Exciting travelling waves in high Q structures using microstrip,” J. European Ceramic Society, 27, Issue: 8-9 Special Issue: 3023–3026, 2007.
J64. K. Watabe, H. Inaba, K. Okumura, F. Hong, J.G. Hartnett, C.R. Locke, G. Santarelli, S. Yanagimachi, K. Minoshima, T. Ikegami, A. Onae, S. Ohshima and H. Matsumoto, “Optical frequency synthesis from a cryogenic sapphire oscillator using a fiber-based frequency comb,” CPEM Special Issue IEEE Trans on Instr. Meas., 56, 2, 632-636, 2007.
J65. J.G. Hartnett, F.J. Oliveira, “Luminosity distance, angular size and surface brightness in Cosmological General Relativity,” Found. Phys., 37, 3, 446-454, 2007.
J68. J.G. Hartnett, “Spheroidal and elliptical galaxy radial velocity dispersion determined from Cosmological General Relativity,” Int. J. Theor. Phys., 47, 5, 1252-1260, 2008.
J69. J.G. Hartnett, “Extending the redshift-distance relation in Cosmological General Relativity to higher redshifts,” Found. Phys., 38, 3, 201-215, 2008.
J74. J.G. Hartnett, K. Hirano, “Galaxy redshift abundance periodicity from Fourier analysis of number counts N(z) using SDSS and 2dF GRS galaxy surveys,” Astrophysics and Space Science, 318, 1 & 2, 13-24, 2008.
J78. J. Krupka, K. Derzakowski, J.G. Hartnett, “Measurements of the Complex Permittivity and the Complex Permeability of Low and Medium Loss Isotropic and Uniaxially Anisotropic Metamaterials at Microwave Frequencies,” Meas. Sci. Technol., 20, 105702, 2009.
J80. M.E. Tobar, E.N. Ivanov, P.L. Stanwix, J-M.G. le Floch, J.G. Hartnett, “Rotating odd-parity Lorentz invariance test in electrodynamics,” Phys. Rev. D, 80, 125024, 2009.
J102. M. Rioja, R. Dodson, Y. Asaki, J. Hartnett, S. Tingay, “The Impact of Frequency Standards on Coherence in VLBI at the Highest Frequencies,” AJ, 144, 121-131, 2012.
J103. E. Ivanov, J. Bourhill, D. Creedon, J. Hartnett, and M. Tobar, “Fast light” effect in experiments with cryogenic resonators, J. Phys. B: At. Mol. Opt. Phys. 45, 221001, 2012.
J107. J.G. Hartnett, A valid finite bounded expanding Carmelian universe without dark matter, Int. J. Theoretical Physics, 52 (12): 4360-4366, 2013.
J114. A. Takamizawa, S. Yanagimachi, T. Tanabe, K. Hagimoto, I. Hirano, K. Watabe, T. Ikegami, J.G. Hartnett, Preliminary Evaluation of the Cesium Fountain Primary Frequency Standard NMIJ-F2, IEEE Trans on Instrumentation & Measurement, 64(9): 2504-2512, 2015.
J115. Moritz Nagel, Stephen R. Parker, Evgeny V. Kovalchuck, Paul L. Stanwix, John G. Hartnett, Eugene N. Ivanov, Achim Peters, and Michael E. Tobar, Direct Terrestrial Test of Lorentz Symmetry in Electrodynamics to 10-18, Nature Communications, 6, Article number: 8174, 1 September 2015.
J116. P.S Light, A.P. Hilton, R.T. White, C. Perrella, J.D. Anstie, J.G. Hartnett, G. Santarelli, and A. Luiten, Bidirectional Microwave and Optical Signal Dissemination, Optics Letters, 41(5): 2016.
J117. J.M. Chappell, A. Iqbal, J.G. Hartnett, D. Abbott, The vector algebra war: a historical perspective. IEEE Access 4:1997-2004, 2016. doi:10.1109/ACCESS.2016.2538262.
J118. C.C. Fulton, H.C. Arp, J.G. Hartnett, Astrophysics and Space Science 363:134, 2018, doi.org/10.1007/s10509-018-3355-5.
RC1. J.G. Hartnett, “Electromagnetic Energy Dispersion in a 5D Universe,” invited, Proc. Frontiers of Fundamental and Computational Physics: 10th International Symposium, Editors J.G. Hartnett, P.C. Abbott, AIP Conference Proceedings, 1246, pp. 28-35, 2010.
RC2. C. Fulton, H. Arp and J.G. Hartnett, “Analyses of the 2dF Deep Field,” Proc. Frontiers of Fundamental and Computational Physics: 10th International Symposium, Editors J.G. Hartnett, P.C. Abbott, AIP Conference Proceedings, 1246, pp. 131-135, 2010.
RC3. R. Povey, J.G. Hartnett and M.E. Tobar, “Microwave Cavity Search for Paraphotons,” Proc. Frontiers of Fundamental and Computational Physics: 10th International Symposium, Editors J.G. Hartnett, P.C. Abbott, AIP Conference Proceedings, 1246, pp. 149-153, 2010.
RC4. T. Ikegami, K.I. Watabe, S. Yanagimachi, A. Takamizawa, J.G. Hartnett, Autonomous cryogenic sapphire oscillators employing low vibration pulse-tube cryocoolers at NMIJ, Journal of Physics: Conference Series. 723: 012032-012032. 04 Jul 2016.
C1. M.E. Tobar, J. Krupka, J.G. Hartnett, E.N. Ivanov, R.A. Woode, “Sapphire-rutile frequency-temperature compensated whispering gallery microwave resonators.” Proc. 1997 Int. Freq. Contr. Symp., pp 1000-1008.
C3. R. Ratheesh, M.T. Sebastian, M.E. Tobar, J.G. Hartnett, D.G. Blair, “Microwave characterisation of Ba(Mg1/3,Ta2/3)O3 dielectric ceramics using Whispering Gallery Mode method,” Proc. 12th European Frequency and Time Forum, Warsaw, Poland, 1998.
C4. M.E. Tobar, J.G. Hartnett, J. Krupka, A.G. Mann, E.N. Ivanov, R.G. Geyer, “Measurements of doped and composite low loss single crystal dielectric resonators for secondary frequency standards,” invited paper abstract published in Proc. 1998 PIERS, Nantes France, 1998.
C5. R. Ratheesh, H. Sreemoolanadhan, M.T.Sebastian, M.E.Tobar, J.G. Hartnett, D.G.Blair, “Whispering Gallery mode microwave characterisation of Ba2Nd4Ti5O18 dielectric resonators,” Advances in Microwaves and Lightwaves, Editor E.K. Sharma, Allied Publishers, New Delhi, pp 8-11, 1998.
C6. J.G. Hartnett, M.E. Tobar, A.G. Mann, E.N. Ivanov, J. Krupka, “Frequency-temperature compensation in Ti3+ and Ti4+ doped sapphire whispering gallery mode resonators,” Proc. Int. Freq. Contr. Symp, pp 512-517, 1998.
C7. J.G. Hartnett, M.E. Tobar, A.G. Mann, Eugene N. Ivanov, J. Krupka, “Paramagnetic temperature compensation of modal Frequencies in Ti3+ and Ti4+ doped Sapphire Resonators,” Abstract published in Proc. 13th National Congress of the Australian Institute of Physics, Fremantle, W. Australia, p 205, 1998.
C10. M.E. Tobar, J. Krupka, J.G. Hartnett, R.G. Geyer, E.N. Ivanov, “Measurements of low-loss crystalline materials for high-Q temperature stable resonator applications,” Proc. Joint Meeting European Frequency & Time Forum – IEEE International Frequency Control Symposium, Besançon, France, pp 573-576, 1999.
C11. J.G. Hartnett, E.N. Ivanov, M.E. Tobar, “A study of the frequency stability limits of oscillators based on sapphire dielectric resonators,” Proc. Joint Meeting , European Frequency & Time Forum – IEEE International Frequency Control Symposium, Besançon, France, pp 1150–1153, 1999.
C12. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, “Sapphire-rutile secondary frequency standard,” Invited paper, in Proc. of the 26th URSI General Assembly, p. 16., 1999.
C13. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, D. Cros, P. Blondy, P. Guillon, “Novel design of high-Q whispering gallery sapphire-rutile dielectric resonators for a secondary frequency standard,” Proc. European Frequency & Time Forum, Torino, Italy, pp. 93-97, March 2000.
C16. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, D. Cros, P. Blondy “Whispering gallery method of measuring complex permittivity in highly anisotropic materials,” Proc. Conference on Precision Electromagnetic Measurement, Sydney, pp. 459-460, May 2000.
C17. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, D. Cros, P. Blondy, P. Guillon, “Analysis of rutile-ring method of frequency temperature compensating a high-Q whispering gallery sapphire resonator,” Proc. Int. Freq. Contr. Symp, Kansas City, Missouri, pp. 485-492, June 2000.
C18. D. Cros, M.E. Tobar, G. Duchiron, P. Blondy, P. Guillon, J.G. Hartnett, “Design rules for dielectric temperature compensated resonators,” Proc. 30th EuMC, pp. 263-265, Oct 2000.
C19. J.G. Hartnett, P. Bilski, M.E. Tobar, E.N. Ivanov, “Temperature Stabilization of a Solid-Nitrogen-Cooled Secondary Frequency Standard,” in proc. European Frequency and Time Forum, Neuchatel, Switzerland, 2001.
C20. M.E. Tobar, E.N. Ivanov, J.G. Hartnett, “Novel Temperature Control of a Sapphire Loaded Cavity Oscillator from the Difference Frequency of WGE and WGH Modes,” Proc. Int. Freq. Contr. Symp, Seattle, Washington, pp. 699-702, June 2001.
C21. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, D. Cros, “Design of a Cryogenic Dual-Mode Resonator for a Fly-Wheel Oscillator for a Cesium Frequency Standard,” Proc. Int. Freq. Contr. Symp, Seattle, Washington, pp. 715-719, June 2001.
C22. M.E. Tobar, E.N. Ivanov, J.G. Hartnett, D. Cros, “High-Q frequency stable dual-mode whispering gallery sapphire resonator,” in proc. IEEE Int. Microwave Symp. Digest, pp. 205-208, 2001.
C23. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, C.R. Locke, A.N. Luiten, Ch. Salomon, N. Dimarcq, M Abgrall, A. Clairon, P. Laurent, P. Lemonde, G. Santarelli, P. Uhrich, L.G. Bernier, G. Busca, A. Jornod, P. Thomann, E. Samain, P. Wolf, F. Gonzalez, Ph. Guillemot, S. Leon, F Nouel, Ch Sirmain, S Feltham, “The atomic clock ensemble in space mission on board the international space station: description of the project and Australian participation,” published in Proc. 2001 National Space Science Workshop, Sydney Australia.
C24. J.G. Hartnett, M.E. Tobar, E.N. Ivanov, “High resolution room-temperature determination of the loss tangent of sapphire using the whispering-gallery-mode method,” abstract in Proc. 2001 Asia-Pacific Radio Science Conference, Tokyo Japan.
C27. V. Giordano, J.G. Hartnett, J. Krupka, Y. Kersalé, P.Y. Bourgeois, M.E. Tobar, “Dielectric properties of Langasite measured with the whispering gallery mode technique,” in Proc. EFTF, Leningrad Russia, 2002.
C28. J.G. Hartnett, A.N. Luiten, J. Krupka, M.E. Tobar, P. Bilski, “Microwave properties of ultra-low loss chromium-doped YAG,” in Proc. of 2002 Workshop on the Application of Radio Science, Feb 2002, Sydney, Australia.
C29. M.E. Tobar, J.D. Anstie, J.G. Hartnett, “Michelson Morley Experiment using Spherical Resonators,” in Proc. of 2002 Workshop on the Application of Radio Science, Feb 2002, Sydney, Australia.
C30. M.E. Tobar, J.G. Hartnett, E.N. Ivanov, C.R. Locke, AN. Luiten, Ch. Salomon, N. Dimarcq, M. Abgrall, A.Clairon, P. Laurent, P. Lemonde, G. Santarelli, P. Uhrich, L.G. Bernier, G. Busca, A. Jornod, P. Thomann, E. Samain, P.Wolf, F. Gonzalez, Ph Guillemot, S. Leon, F. Nouel, Ch Sirmain, S. Feltham, “Microwave Frequency Standards: Tools for Testing the Foundations of Physics in the Laboratory and on Board the International Space Station,” Invited paper in the Proc. of 2002 Workshop on the Application of Radio Science, Feb 2002, Sydney, Australia.
C34. C.R. Locke, M.E.Tobar, G.L. Hamilton, E.N. Ivanov, J.G. Hartnett, “Improving the frequency stability of microwave oscillators by utilizing the temperature compensated difference frequency of a dual mode sapphire loaded cavity resonator,” in the Proc. of the 27th Triennial General Assembly of the International Union of Radio Science, Maastricht, The Netherlands, August, 2002.
C35. M.E. Tobar, J.G. Hartnett, J.D. Anstie, “New ultra-sensitive Michelson-Morley experiment,” in Proc. IEEE Conf. on Precision Electromagnetic Measurement, Ottawa, pp. 94-95, June 2002.
C36. M.E. Tobar, J.G. Hartnett, “Test for the time independence of the Fine Structure Constant,using cryogenic sapphire resonators at microwave frequencies,” in Proc. IEEE Conf. on Precision Electromagnetic Measurement, Ottawa, pp. 320, June 2002.
C37. C.R. Locke, M.E. Tobar, E.N. Ivanov, J.G. Hartnett, O Piquet, D Cros, “Measurements of a High-Q TE0,1, frequency-temperature compensated sapphire Bragg distributed resonator,” in Proc. IEEE Conf. on Precision Electromagnetic Measurement, Ottawa, pp. 582-583, June 2002.
C47. J.G. Hartnett, “Carmeli’s cosmology: The universe is spatially flat without dark matter,” published by Springer-Verlag in the Proceedings of the 6th Symposium on the Frontiers of Fundamental Physics, Udine, Italy, pp. 21-28, 2004.
C54. J.G. Hartnett, “The distance modulus determined from Carmeli’s cosmology fits the accelerating universe data of the high-redshift type Ia supernovae without dark matter,” abstract published in the Proceedings of the Australian Institute of Physics Congress, Canberra, Jan 2005. paper available at http://arxiv.org/abs/astro-ph/0501526 March 2005.
C62. J.G. Hartnett, “Spiral galaxy rotation curves described using cosmological general relativity,” in the Proceedings of the 8th Symposium on the Frontiers of Fundamental Physics, Madrid, Spain, AIP Conf. Proc. 905, 27-29, 2007.
C63. J.G. Hartnett, M.E. Tobar, “Gravitational waves in Cosmological General Relativity,” in the Proceedings of the 8th Symposium on the Frontiers of Fundamental Physics, Madrid, Spain, AIP Conf. Proc. 905, 30-32, 2007.
C65. M.E. Tobar, P.L. Stanwix, E.N. Ivanov, A.C. Fowler, J.G. Hartnett, J.M. le Floch, M. Miao, P. Wolf, ‘Precision Microwave Oscillators and Interferometers to Test Lorentz Invariance in Electrodynamics’, XLIInd Recontres de Moriand: Gravitational Waves and Experimental Gravity, Vietnam, 1, pp. 227-234. 2007.
C70. J.G. Hartnett, “The redshift-distance relation extended to higher redshifts in Cosmological General Relativity,” in the Proceedings of the 9th Symposium on the Frontiers of Fundamental Physics, Udine, Italy, AIP Conf. Proc. 1018, pp. 57-66, 2008.
C71. M.E. Tobar, E.N. Ivanov, P.L. Stanwix, J-M. le Floch, J.G. Hartnett, “Continuous operation of an odd parity Lorentz Invariance test in electrodynamics using a microwave interferometer,” in Proc. of the 2008 IEEE International Frequency Control Symposium, pp. 729 – 732, 2008.
C72. M. Kumagai, H. Ito, M. Hosokawa, G. Santarelli, C.R. Locke, J.G. Hartnett, “Development of synthesis chains based on a cryogenic sapphire oscillator,” in Proc. of the 2008 IEEE International Frequency Control Symposium, pp. 576 – 580, 2008.
C74. J.G. Hartnett, E.N. Ivanov, M.E. Tobar, “Cryogenic Sapphire Oscillators (Invited),” invited paper in the Proceedings of the 7th International Symposium on Frequency Standards and Metrology, Pacific Grove, California, USA, pp. 384-392, 2009.
C75. K. Benmessai, P.Y. Bourgeois, N. Bazin, Y. Kersalé, V. Giordano, M. Oxborrow, D.L. Creedon, J.G. Hartnett, and M.E. Tobar, “New results for whispering gallery mode cryogenic sapphire maser oscillators,” in the Proceedings of the 7th International Symposium on Frequency Standards and Metrology, Pacific Grove, California, USA, pp. 398-402, 2009.
C76. J.G. Hartnett, D.L. Creedon, D. Chambon, G. Santarelli, “Stability measurements of frequency synthesis with cryogenic sapphire oscillators,” in the Proceedings of the Intl Frequency Control Symposium, 2009 Joint with the 22nd European Frequency and Time forum. pp. 372 – 375, 2009.
C77. D.L. Creedon, K. Benmessai, M.E. Tobar, J.G. Hartnett, P-Y Bourgeois, Y. Kersale, J-M. Le Floch, V. Giordano, “High power solid-state sapphire Whispering Gallery mode maser,” in the Proceedings of the Intl Frequency Control Symposium, 2009 Joint with the 22nd European Frequency and Time forum. pp. 282 – 285, 2009.
C78. D. Mouneyrac, J.G. Hartnett, J-M. Le Floch, M.E. Tobar, J. Krupka, D. Cros, “Observation of persistent photoconductivity and modified permittivity in bulk gallium arsenide and gallium phosphide samples at cryogenic temperatures,” in the Proceedings of the Intl Frequency Control Symposium, 2009 Joint with the 22nd European Frequency and Time forum. pp. 886 – 889, 2009.
C79. M. Kumagai, H. Ito, S. Nagano, M. Hosokawa, G. Santarelli, C.R. Locke, J.G. Hartnett, “Synthesis chains based on ultra-stable cryogenic sapphire oscillator at NICT,” in the Proceedings of the Intl Frequency Control Symposium, 2009 Joint with the 22nd European Frequency and Time forum, pp. 496 – 500, 2009.
C80. J.G. Hartnett, “Fourier analysis of the large scale spatial distribution of galaxies in the universe,” in the Proceedings of the 2nd Crisis in Cosmology Conference, Port Angeles, WA USA, ASP Conference Series, Editor: F. Potter, Vol 413, pp.77-97, 2009.
C81. R. Povey, J.G. Hartnett and M.E. Tobar, “Search for hidden sector photons in a microwave cavity experiment,” in the Proceedings of the 5th Patras Workshop on Axions, WIMPs and WISPs, Durham, UK, 2010.
C82. N.R. Nand, J.G. Hartnett, “Frequency stability and phase noise of an improved X-band cryocooled sapphire oscillator,” in the Proceedings of the Intl Frequency Control Symposium, Newport Beach, Calif., pp. 670 – 673, 2010.
C83. J-M. Le Floch, J.G. Hartnett, M.E. Tobar, R. Bara, D. Mouneyrac, D. Cros, J. Krupka, “Cryogenic properties of a diamond sample at microwave frequencies,” in the Proceedings of the 2010 Intl Conf. on Electromagnetics in Advanced Applications, Sydney, Australia, pp. 837-840, 2010.
C84. M.E. Tobar, E.N. Ivanov, J.G. Hartnett, J-M. Le Floch, P.L. Stanwix, “High Precision Microwave Interferometers and Oscillators for Applied and Fundamental Physics Applications,” in the Proceedings of the 2010 Intl Conf. on Electromagnetics in Advanced Applications, Sydney, Australia, pp. 803-806, 2010.
C86. R. Bara, J.-M. Le Floch, M.E. Tobar, P.L. Stanwix, S. Parker, J.G. Hartnett, E.N. Ivanov, “Generation of 100 GHz with parts in 1016 frequency stability using cryogenic sapphire oscillators,” Frequency Control and the European Frequency and Time Forum (FCS), 2011 Joint Conference of the IEEE International, 2-5 May 2011, San Francisco, USA, 2011.
C87. S. Parker, P. Stanwix, M. Tobar, J.G. Hartnett, E. Ivanov, M. Nagel, A. Peters, “Rotating Dual Cryogenic Sapphire Oscillators with 10-16 Fractional Frequency Stability for Tests of Lorentz Invariance,” Frequency Control and the European Frequency and Time Forum (FCS), 2011 Joint Conference of the IEEE International, 2-5 May 2011, San Francisco, USA, 2011.
C88. N.R. Nand, J.G. Hartnett, C. Lu, State-of-the-art cryocooled sapphire oscillators, Frequency Control Symposium (FCS), 2012 IEEE International, 2012.
C89. A.P. Hilton, J.G. Hartnett, E.N. Ivanov, and A.N. Luiten, “Ultra-high stability cryocooled sapphire microwave oscillators,” Frequency Control Symposium (FCS), 2012 IEEE International, 2014.
C99. A. Takamizawa, S. Yanagimachi, T. Tanabe, K. Hagimoto, I. Hirano, K. Watabe, T. Ikegami, J.G. Hartnett, Development of the cesium fountain frequency standard, NMIJ-F2, 2014 European Frequency and Time Forum, EFTF 2014. 394-397. 17 Nov 2015.

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