GEORGE H. FISHER: PUBLICATIONS

Papers Submitted:

Papers In Press:

Papers Published:
• Abbett, W. P., Fisher, G. H., and Fan, Y. ``The Effects of Rotation on the Evolution of Rising Omega-loops in a Stratified Model Convection Zone'', Ap. J., 546, 1194. (2001)
• Abbett, W. P., Fisher, G. H., and Fan, Y. ``The Three-dimensional Evolution of Rising, Twisted Magnetic Magnetic Flux Tubes in a Gravitationally Stratified Model Convection Zone'', Ap. J. 540, 548. (2000)
• Griffiths N. W., Fisher G. H., Woods D. T., Acton L. W., and Siegmund O. H. W. ``Simultaneous SOHO and Yohkoh Observations of a Small Solar Active Region'', Ap. J. 547, 481. (2000)
• Fisher G. H., Fan Y., Longcope D. W., Linton M. G., and Abbett, W. P. ``Magnetic Flux Tubes Inside the Sun'', Physics of Plasmas, Vol. 7, No. 5, 2173. (2000)
• Fisher, G. H., Fan Y., Longcope D. W., Linton M. G., and Pevtsov A. A. ``The Solar Dynamo and Emerging Flux'', Sol. Phys. 192, 119. (2000)
• Fisher G. H., Longcope D. W., Linton M. G., Fan Y., and Pevtsov A. A. ``The Origin and Role of Twist in Active Regions'', in Stellar Dynamos: Nonlinearity and Chaotic Flows, ed. M. Nunez and A. Ferriz-Mas, P.A.S.P. Conf. Series 178, 35. (1999)
• Linton M. G., Fisher G. H., Dahlburg R. B., and Fan Y. ``Relationship of the Multi-mode Kink Instability to Delta-Spot Formation'', Ap. J. 522, 1190. (1999)
• Longcope D. W., Linton M. G., Pevtsov A. A., Fisher G. H., and Klapper I. ``Twisted Flux Tubes and How They Get That Way'', in Magnetic Helicity in Space and Laboratory Plasmas, ed. M. R. Brown, R. C. Canfield and A. A. Pevtsov, Geophysical Monograph Series., AGU Washington DC, 111, 93. (1999)
• Fan Y., Zweibel E. G., Linton M. G., and Fisher G. H. ``The Rise of Kink-Unstable Magnetic Flux Tubes and the Origin of delta-Configuration Sunspots'', Ap. J. 521, 460. (1999)
• McTiernan J. M., Fisher G. H., and Li, P. ``The Solar Flare Soft X-ray Differential Emission Measure and the Neupert Effect at Different Temperatures'', Ap. J. 514, 472. (1999)
• Griffiths N. W., Fisher G. H., Woods D. T., and Siegmund O. H. W. ``SUMER Observations of the Quiet Sun Transition Region'', Ap. J., 512, 992. (1999)
• Fisher G. H., Longcope D. W., Metcalf T. R., and Pevtsov A. A. ``Coronal Heating in Active Regions as a Function of Global Magnetic Variables'', Ap. J., 508, 885. (1998)
• Linton M. G., Dahlburg R. B., Fisher G. H., and Longcope D. W. ``Nonlinear Evolution of Kink Unstable Magnetic Flux Tubes and Solar Delta-Spot Active Regions'', Ap. J., 507, 404. (1998)
• Longcope D. W., Fisher G. H., and Pevtsov A. A. ``Flux Tube Twist Resulting From Helical Turbulence: The Sigma Effect'', Ap. J., 507, 417. (1998)
• Griffiths N. W., Fisher G. H., and Siegmund O. H. W. ``An Observational Test of Transition Region Lines as a Pressure Gauge'', in Proc. of the 10th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun , ed. J. Bookbinder & R. Donahue, A.S.P. Conf. Series, 154, 621. (1998)
• Fan Y., Zweibel E. G., Linton M. G., and Fisher G. H. ``The Rise of Kink Unstable Magnetic Flux Tubes in the Solar Convection Zone'', Ap. J. Letters, 505, L59. (1998)
• Cully S. L., Fisher G. H., Hawley, S. L., Simon, T. ``EUVE Spectra of the 1993 March Flares on AD Leonis: The Differential Emission Measure and Implications for Coronal Structure'', Ap. J. 491, 910. (1997)
• Fisher G. H., Fan Y., Longcope D. W., and Linton M. G. "The Dynamics of Magnetic Flux Tubes in the Solar Interior", in Proc. IAU Colloq. 153, "Magnetodynamic Phenomena in the Solar Atmosphere: Prototypes of Stellar Activity", ed. Y. Uchida, T. Kosugi, and H. S. Hudson, Kluwer: Dordrecht, p. 329. (1996).
• Linton M. G., Longcope D. W., and Fisher G. H., "The Helical Kink Instability of Isolated, Twisted Magnetic Flux Tubes", Ap. J.469, 954. (1996)
• Longcope D. W., Fisher G. H., and Arendt S. "The Evolution and Fragmentation of Rising Magnetic Flux Tubes", Ap. J. 464, 999. (1996)
• Fan Y. and Fisher G. H., "Radiative Heating and the Buoyant Rise of Magnetic Flux Tubes in the Solar Interior", Sol. Phys. 166, 17. (1996)
• Metcalf T. R. and Fisher G. H., "A Test of a New Flare Loop Scaling Law Using Yohkoh SXT and GOES Observations", Ap. J. 462, 977. (1996)
• Cully S. L., Fisher G. H., Hawley S. L., and Simon, T. "Continued Analysis of EUVE and Optical Observations of a Flare on AD Leonis", Proc. IAU Colloq. 152, "Astrophysics in the Extreme Ultraviolet", ed. S. Bowyer, Kluwer Academic Publishers: Dordrecht, p. 153 (1996).
• Longcope D. W., and Fisher G. H. "The Effects of Convection Zone Turbulence on the Tilt Angles of Magnetic Bipoles", Ap. J. 458, 380. (1996)
• Cauzzi G., Canfield R. C., and Fisher G. H. "A Search for Asymmetric Flows in Young Active Regions", Ap. J. 456, 850. (1996)
• Hawley S. L., Fisher G. H., Simon T., Cully S. L., Deustua S. E., Jablonski M., Johns C. M., Petterson B. R., Smith V., Spiesman W. J., and Valenti, J. "Simultaneous EUVE and Optical Observations of AD Leonis: Evidence for Large Coronal Loops and the Neupert Effect in Stellar Flares", Ap. J. 453, 464. (1995)
• Fisher G. H., Fan Y., and Howard R. F. "Comparisons Between Theory and Observation of Active Region Tilts", Ap. J. 438, 463. (1995)
• Fan Y., Fisher, G. H., and McClymont A. N. "Dynamics of Emerging Active Region Flux Loops", Ap. J. 436, 907. (1994)
• Cully S. L., Fisher G. H., Abbott M., and Siegmund O. H. W. "A CME Model for the 1992 July 15 Flare on AU Microscopii Observed by EUVE", Ap. J. 435, 449. (1994)
• Cully S. L., Fisher G. H., Siegmund O. H. W., and Abbott M. "A CME Model for the 1992 July 15 Flare on AU Microscopii Observed by EUVE", in Proceedings of the 8th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, ed. J.-P. Caillault, A.S.P. Conference Series, 64, 32. (1994)
• Fisher G. H., Fan Y., DeLuca E. E., and McClymont A. N. "Models of Rising Active Region Flux Tubes", in Solar Active Region Evolution - Comparing Models with Observations, ed. K. S. Balasubramaniam and George Simon, A.S.P. Conference Series, 68, 109. (1994)
• Hawley S. L., and Fisher, G. H. "Solar Flare Model Atmospheres", Ap. J. 426, 387. (1994)
• Fan, Y., Fisher, G. H., and DeLuca, E. E. "The Evolution of Anchored Magnetic Flux Loops in the Convective Envelope of the Sun", in GONG 1992: Seismic Investigation of the Sun and Stars, ed. Tim Brown, A.S.P Conference Series, 42, 89. (1993)
• DeLuca E. E., Fisher G. H., and Patten B. M. "The Dynamics of Magnetic Flux Rings", Ap. J. 411, 383. (1993)
• Fan, Y., Fisher, G. H., and DeLuca, E. E. "The Origin of Morphological Asymmetries in Bipolar Active Regions", Ap. J. 405, 390. (1993).
• Petterson, B. R., Hawley, S. L., and Fisher, G. H. "Starspots: The Zebra Effect", Sol. Phys. 142, 197. (1992)
• Fisher, G. H., DeLuca, E. E., and Patten, B. M., "Magnetic Flux Tubes in a 3-D Chaotic Flow Field", in Proceedings of the 7th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, ed. J. Bookbinder and M. Giampapa. A. S. P. Conference Series, 26, 240. (1992)
• Hawley, S. L. and Fisher, G. H., "Energy Balance Models of Solar Flare Atmospheres", in Proceedings of the 7th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, ed. J. Bookbinder and M. Giampapa. A. S. P. Conference Series, 26, 534. (1992)
• Petterson, B. R., Hawley, S. L., and Fisher, G. H., "A Zebra Interpretation of BY Dra Stars", in Proceedings of the 7th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, ed. J. Bookbinder and M. Giampapa. A. S. P. Conference Series, 26, 285. (1992)
• Fisher, G. H., DeLuca, E. E., and Patten, B M. "Amplification of Fibril Magnetic Fields by Chaotic Flows", in The Solar Cycle, Proceedings of the National Solar Observatory/Sacremento Peak 12th Summer Workshop, ed. K. L. Harvey, ASP Conference Series 27, 173. (1992)
• Hawley, S. L., and Fisher, G. H. "X-ray Heated Models of Stellar Flare Atmospheres: Theory and Comparison with Observations", Ap. J. Suppl. 78, 565. (1992)
• Fisher, G. H., McClymont, A. N., and Chou, D.-Y. "The Stretching of Magnetic Flux Tubes in the Convective Overshoot Region", Ap. J. 374, 766. (1991)
• Fisher, G. H., McClymont, A. N., and Chou, D.-Y., "The Effects of Magnetic Stretching in the Convective Overshoot Region", in Challenges to Theories of the Structure of Moderate-Mass Stars, ed. D. Gough and J. Toomre, "Lecture Notes in Physics" Springer, 388, 233. (1991).
• Fisher, G. H., and Hawley, S. L. "An Equation for the Evolution of Solar and Stellar Flare Loops", Ap. J. 357, 243. (1990).
• Fisher, G. H., "Dynamics of Flare Driven Chromospheric Condensations", Ap. J. 346, 1019. (1989).
• Fisher, G. H., and Hawley, S. L., "A Dynamic Scaling Law for Solar and Stellar Flare Loops", in Solar and Stellar Flares: IAU Colloquium No. 104, ed. B. M. Haisch, M. Rodono, "Pub. Catania Astrophys. Obs.", p. 353. (1989).
• Chou, D.-Y. and Fisher, G. H., "Dynamics of Anchored Flux Tubes in the Convection Zone I. Details of the Model", Ap. J. 341, 533. (1989).
• McClymont, A. N. and Fisher, G. H., "On the Mechanical Energy Available to Drive Solar Flares", in Solar System Plasma Physics, eds. J. H. Waite, J. L. Burch, and R. L. Moore, Geophysical Monograph 54 (American Geophysical Union: Washington, D.C.), p219 (1989).
• Fisher, G. H., Chou, D.-Y. and McClymont, A. N., "Emergence of Anchored Flux Tubes through the Convection Zone", in Solar System Plasma Physics, eds. J. H. Waite, J. L. Burch, and R. L. Moore, Geophysical Monograph 54 (American Geophysical Union: Washington, D.C.), p47 (1989).
• Fisher, G. H., "Chromospheric Downflow Velocities as a Diagnostic in Solar Flares", Solar Phys., 113, 307 (1987).
• Doschek, G. A., Antiochos, S. K., Antonucci, E., Cheng, C.-C., Culhane, J. L., Fisher, G. H., Jordan, C., Leibacher, J. W., MacNeice, P., McWhirter, R. W. P., Moore, R. L., Rabin, D. M., Rust, D. M. and Shine, R. A., "Chromospheric Explosions", Chapter 4 of Energetic Phenomena on the Sun, NASA Conf. Pub. 2439 (1987).
• Kopp, R. A., Fisher, G. H., MacNeice, P., McWhirter, R. W. P., and Peres, G. "Intercomparison of Numerical Models of Flaring Coronal Loops," Chapter 7 of Energetic Phenomena on the Sun, NASA Conf. Pub. 2439 (1987).
• Fisher, G. H., "Explosive Evaporation in Solar Flares", Ap. J., 317, 502 (1987).
• Fisher, G. H., "Radiation Hydrodynamics in Solar Flares", invited paper in Radiation Hydrodynamics in Stars and Compact Objects, eds. Dimitri Mihalas and Karl-Heinz Winkler, presented at IAU Colloquium No. 89 in Copenhagen, Denmark on June 13, 1985, Lecture Notes in Physics, 255, (Berlin: Springer-Verlag), p. 53 (1986).
• Fisher, G. H., "Radiating Shocks and Condensations in Flares," in Proceedings of the NSO-SMM Workshop on Low Temperature Flare Plasmas, ed. D. F. Neidig. NSO/Sacramento Peak Obs. Sunspot, NM, p. 25. 1986.
• Fisher, G. H., Canfield, R. C. and McClymont, A. N., "Flare Loop Radiative Hydrodynamics. VII. Dynamics of the Thick Target Heated Chromosphere", Ap. J. 289, 434 (1985).
• Fisher, G. H., Canfield, R. C. and McClymont, A. N., "Flare Loop Radiative Hydrodynamics. VI. Chromospheric Evaporation Due to Heating by Nonthermal Electrons", Ap. J. 289, 425 (1985).
• Fisher, G. H., Canfield, R. C. and McClymont, A. N., "Flare Loop Radiative Hydrodynamics. V. Response to Thick Target Heating", Ap. J. 289, 414 (1985).
• Fisher, G. H., Canfield, R. C. and McClymont, A. N., "Chromospheric Evaporation Velocities in Solar Flares", Ap. J. (Letters) 281, L79 (1984).
• An, C.H., Canfield, R. C., Fisher, G. H., and McClymont, A. N., "Flare Loop Radiative Hydrodynamics. IV. Dynamic Evolution of Unstable Semiempirical Loop Models", Ap. J. 267, 421 (1983).
• Canfield, R. C., Fisher, G. H., and McClymont, A. N., "Flare Loop Radiative Hydrodynamics. III. Nonlocal Radiative Transfer Effects", Ap. J. 265, 507 (1983).
• Allen, P. C., Fisher, G. H., Knight, W. R., Paulson, D. N., and Wheatley, J. C., "Heat Regeneration in Malone Type Liquid Engines Using a Parallel-Plate Geometry", J. Appl. Phys. 52 (6), 3876 (1981).