Chris C. Hegna - Publications

Affiliations: 
Nuclear Engineering & Engineering Physics University of Wisconsin, Madison, Madison, WI 
Area:
Fluid and Plasma Physics, Nuclear Engineering

72 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2019 Meyer HF, Angioni C, Albert CG, Arden N, Parra RA, Asunta O, Baar MD, Balden M, Bandaru V, Behler K, Bergmann A, Bernardo J, Bernert M, Biancalani A, Bilato R, ... ... Hegna CC, et al. Overview of physics studies on ASDEX Upgrade Nuclear Fusion. 59: 112014. DOI: 10.1088/1741-4326/Ab18B8  0.365
2019 Cote TB, Hegna CC, Willensdorfer M, Strumberger E, Suttrop W, Zohm H. Helically localized ballooning instabilities in three-dimensional tokamak pedestals Nuclear Fusion. 59: 16015. DOI: 10.1088/1741-4326/Aaf01D  0.302
2018 Beidler MT, Callen JD, Hegna CC, Sovinec CR. Mode penetration induced by transient magnetic perturbations Physics of Plasmas. 25: 082507. DOI: 10.1063/1.5046076  0.308
2018 Morton LA, Young WC, Hegna CC, Parke E, Reusch JA, Hartog DJD. Electron thermal confinement in a partially stochastic magnetic structure Physics of Plasmas. 25: 42306. DOI: 10.1063/1.5021893  0.319
2018 Faber B, Pueschel M, Terry P, Hegna C, Roman J. Stellarator microinstabilities and turbulence at low magnetic shear Journal of Plasma Physics. 84. DOI: 10.1017/S0022377818001022  0.309
2016 Pueschel MJ, Faber BJ, Citrin J, Hegna CC, Terry PW, Hatch DR. Stellarator Turbulence: Subdominant Eigenmodes and Quasilinear Modeling. Physical Review Letters. 116: 085001. PMID 26967418 DOI: 10.1103/Physrevlett.116.085001  0.301
2016 Mirnov VV, Sauppe JP, Hegna CC, Sovinec CR. Analytical and numerical treatment of resistive drift instability in a plasma slab Plasma Physics Reports. 42: 440-449. DOI: 10.1134/S1063780X16050123  0.337
2016 Bader A, Kobayashi M, Schmitz O, Akerson AR, Effenberg F, Frerichs H, Feng Y, Hegna CC, Ida K. Modeling of helium transport and exhaust in the LHD edge Plasma Physics and Controlled Fusion. 58: 124006. DOI: 10.1088/0741-3335/58/12/124006  0.307
2016 Hegna CC. The effect of sheared toroidal rotation on pressure driven magnetic islands in toroidal plasmas Physics of Plasmas. 23. DOI: 10.1063/1.4952627  0.313
2015 Nazikian R, Paz-Soldan C, Callen JD, deGrassie JS, Eldon D, Evans TE, Ferraro NM, Grierson BA, Groebner RJ, Haskey SR, Hegna CC, King JD, Logan NC, McKee GR, Moyer RA, et al. Pedestal bifurcation and resonant field penetration at the threshold of edge-localized mode suppression in the DIII-D Tokamak. Physical Review Letters. 114: 105002. PMID 25815938 DOI: 10.1103/Physrevlett.114.105002  0.333
2015 Terry PW, Carmody D, Doerk H, Guttenfelder W, Hatch DR, Hegna CC, Ishizawa A, Jenko F, Nevins WM, Predebon I, Pueschel MJ, Sarff JS, Whelan GG. Overview of gyrokinetic studies of finite-β microturbulence Nuclear Fusion. 55. DOI: 10.1088/0029-5515/55/10/104011  0.384
2015 Hegna CC. The effect of three-dimensional fields on bounce averaged particle drifts in a tokamak Physics of Plasmas. 22. DOI: 10.1063/1.4926818  0.301
2015 Faber BJ, Pueschel MJ, Proll JHE, Xanthopoulos P, Terry PW, Hegna CC, Weir GM, Likin KM, Talmadge JN. Gyrokinetic studies of trapped electron mode turbulence in the Helically Symmetric eXperiment stellarator Physics of Plasmas. 22. DOI: 10.1063/1.4926510  0.344
2013 Callen JD, Hegna CC, Cole AJ. Magnetic-flutter-induced pedestal plasma transport Nuclear Fusion. 53. DOI: 10.1088/0029-5515/53/11/113015  0.352
2013 Bird TM, Hegna CC. A model for microinstability destabilization and enhanced transport in the presence of shielded 3D magnetic perturbations Nuclear Fusion. 53. DOI: 10.1088/0029-5515/53/1/013004  0.3
2013 Schlutt MG, Hegna CC, Sovinec CR, Held ED, Kruger SE. Self-consistent simulations of nonlinear magnetohydrodynamics and profile evolution in stellarator configurations Physics of Plasmas. 20. DOI: 10.1063/1.4802834  0.738
2013 Zhu P, Raeder J, Hegna CC, Sovinec CR. Nature of axial tail instability and bubble-blob formation in near-Earth plasma sheet Journal of Geophysical Research: Space Physics. 118: 653-663. DOI: 10.1029/2012Ja017972  0.35
2012 Hershkowitz N, Severn GD, Baalrud SD, Hegna CC, Callen JD. Comment on "Ar+ and Xe+ velocities near the presheath-sheath boundary in an Ar/Xe discharge". Physical Review Letters. 108: 139501. PMID 22540734 DOI: 10.1103/Physrevlett.108.139501  0.606
2012 Hershkowitz N, Severn GD, Baalrud SD, Hegna CC, Callen JD. Comment on "ar + and Xe + velocities near the presheath-sheath boundary in an Ar/Xe discharge" Physical Review Letters. 108. DOI: 10.1103/PhysRevLett.108.139501  0.606
2012 Baalrud SD, Hegna CC. Reply to comment on 'Kinetic theory of the presheath and the Bohm criterion' Plasma Sources Science and Technology. 21. DOI: 10.1088/0963-0252/21/6/068002  0.617
2012 Callen JD, Cole AJ, Hegna CC, Mordijck S, Moyer RA. Resonant magnetic perturbation effects on pedestal structure and ELMs Nuclear Fusion. 52. DOI: 10.1088/0029-5515/52/11/114005  0.324
2012 Schlutt MG, Hegna CC, Sovinec CR, Knowlton SF, Hebert JD. Numerical simulation of current evolution in the Compact Toroidal Hybrid Nuclear Fusion. 52. DOI: 10.1088/0029-5515/52/10/103023  0.73
2012 Callen JD, Cole AJ, Hegna CC. Resonant-magnetic-perturbation-induced plasma transport in H-mode pedestals Physics of Plasmas. 19. DOI: 10.1063/1.4767642  0.332
2012 Schlutt MG, Hegna CC. The effect of anisotropic heat transport on magnetic islands in 3-D configurations Physics of Plasmas. 19. DOI: 10.1063/1.4747500  0.731
2012 Hegna CC. Plasma flow healing of magnetic islands in stellarators Physics of Plasmas. 19. DOI: 10.1063/1.3694042  0.336
2011 Baalrud SD, Hegna CC. Kinetic theory of the presheath and the Bohm criterion Plasma Sources Science and Technology. 20. DOI: 10.1088/0963-0252/20/2/025013  0.65
2011 Kasten CP, Hartog DJD, Stephens HD, Hegna CC, Reusch JA. Electron temperature fluctuations during sawtooth events in a reversed-field pinch Plasma Physics and Controlled Fusion. 53. DOI: 10.1088/0741-3335/53/11/112001  0.692
2011 Hegna CC. Healing of magnetic islands in stellarators by plasma flow Nuclear Fusion. 51. DOI: 10.1088/0029-5515/51/11/113017  0.349
2011 Cole AJ, Callen JD, Solomon WM, Garofalo AM, Hegna CC, Lanctot MJ, Reimerdes H. Peak neoclassical toroidal viscosity at low toroidal rotation in the DIII-D tokamak Physics of Plasmas. 18. DOI: 10.1063/1.3590933  0.301
2011 Baalrud SD, Hegna CC. Determining the Bohm criterion in plasmas with two ion species Physics of Plasmas. 18. DOI: 10.1063/1.3555533  0.618
2010 Stephens HD, Den Hartog DJ, Hegna CC, Reusch JA. Electron thermal transport within magnetic islands in the reversed-field pinch Physics of Plasmas. 17. DOI: 10.1063/1.3388374  0.735
2010 Baalrud SD, Callen JD, Hegna CC. Kinetic theory of instability-enhanced collisional effects Physics of Plasmas. 17. DOI: 10.1063/1.3346448  0.657
2010 Callen JD, Hegna CC, Cole AJ. Transport equations in tokamak plasmas Physics of Plasmas. 17. DOI: 10.1063/1.3335486  0.342
2010 Burke BJ, Kruger SE, Hegna CC, Zhu P, Snyder PB, Sovinec CR, Howell EC. Edge localized linear ideal magnetohydrodynamic instability studies in an extended-magnetohydrodynamic code Physics of Plasmas. 17. DOI: 10.1063/1.3309732  0.561
2010 Rafiq T, Hegna CC, Callen JD, Kritz AH. Drift-resistive-inertial ballooning modes in quasihelical stellarators Physics of Plasmas. 17. DOI: 10.1063/1.3291061  0.327
2009 Baalrud SD, Hegna CC, Callen JD. Instability-enhanced collisional friction can determine the Bohm criterion in multiple-ion-species plasmas. Physical Review Letters. 103: 205002. PMID 20365986 DOI: 10.1103/Physrevlett.103.205002  0.63
2009 Baalrud SD, Callen JD, Hegna CC. Instability-enhanced collisional effects and Langmuir's paradox. Physical Review Letters. 102: 245005. PMID 19659019 DOI: 10.1103/Physrevlett.102.245005  0.65
2009 Zhu P, Hegna CC, Sovinec CR, Bhattacharjee A, Germaschewski K. Intermediate nonlinear regimes of line-tied g mode and ballooning instability Nuclear Fusion. 49. DOI: 10.1088/0029-5515/49/9/095009  0.496
2009 Callen JD, Cole AJ, Hegna CC. Toroidal rotation in tokamak plasmas Nuclear Fusion. 49. DOI: 10.1088/0029-5515/49/8/085021  0.339
2009 Callen JD, Cole AJ, Hegna CC. Toroidal flow and radial particle flux in tokamak plasmas Physics of Plasmas. 16. DOI: 10.1063/1.3206976  0.321
2009 Seol J, Hegna CC, Callen JD. Nonlinear cyclotron harmonic absorption Physics of Plasmas. 16. DOI: 10.1063/1.3139249  0.492
2008 Baalrud SD, Callen JD, Hegna CC. A kinetic equation for unstable plasmas in a finite space-time domain Physics of Plasmas. 15. DOI: 10.1063/1.2979689  0.64
2008 Zhu P, Hegna CC. Ballooning filament growth in the intermediate nonlinear regime Physics of Plasmas. 15. DOI: 10.1063/1.2977487  0.302
2007 Seol J, Hegna CC, Callen JD. Effects of electron cyclotron resonance heating (ECRH)-induced direct loss flux on neoclassical transport in a bumpy stellarator Physics of Plasmas. 14. DOI: 10.1063/1.2766684  0.541
2007 Zhu P, Hegna CC, Sovinec CR, Bhattacharjee A, Germaschewski K. Intermediate nonlinear regime of a line-tied g mode Physics of Plasmas. 14. DOI: 10.1063/1.2671230  0.462
2007 Zhu P, Sovinec CR, Hegna CC, Bhattacharjee A, Germaschewski K. Nonlinear ballooning instability in the near-Earth magnetotail: Growth, structure, and possible role in substorms Journal of Geophysical Research: Space Physics. 112. DOI: 10.1029/2006Ja011991  0.486
2006 Sabbagh SA, Sontag AC, Bialek JM, Gates DA, Glasser AH, Menard JE, Zhu W, Bell MG, Bell RE, Bondeson A, Bush CE, Callen JD, Chu MS, Hegna CC, Kaye SM, et al. Resistive wall stabilized operation in rotating high beta NSTX plasmas Nuclear Fusion. 46: 635-644. DOI: 10.1088/0029-5515/46/5/014  0.344
2006 Nakajima N, Hudson SR, Hegna CC, Nakamura Y. Boundary modulation effects on MHD instabilities in heliotrons Nuclear Fusion. 46: 177-199. DOI: 10.1088/0029-5515/46/2/001  0.363
2005 Rafiq T, Hegna CC. Drift wavs in helically symmetric stellarators Physics of Plasmas. 12: 1-13. DOI: 10.1063/1.2130313  0.337
2004 Liu X, Callen JD, Hegna CC. Magnetic island effects on axisymmetric equilibria Physics of Plasmas. 11: 4824-4829. DOI: 10.1063/1.1787811  0.309
2004 Mirnov VV, Hegna CC, Prager SC. Two-fluid tearing instability in force-free magnetic configuration Physics of Plasmas. 11: 4468-4482. DOI: 10.1063/1.1773778  0.301
2004 Seol J, Hegna CC. Role of bumpy fields on single particle orbit in near quasihelically symmetric stellarators Physics of Plasmas. 11: 3672-3675. DOI: 10.1063/1.1755706  0.451
2003 Shaing KC, Hegna CC, Callen JD, Houlberg WA. Plasma and momentum transport processes in the vicinity of a magnetic island in a tokamak Nuclear Fusion. 43: 258-261. DOI: 10.1088/0029-5515/43/4/306  0.332
2003 Hudson SR, Hegna CC. Marginal stability boundaries for infinite-n ballooning modes in a quasiaxisymmetric stellarator Physics of Plasmas. 10: 4716-4727. DOI: 10.1063/1.1622669  0.308
1999 Nishimura Y, Callen JD, Hegna CC. Onset of high-n ballooning modes during tokamak sawtooth crashes Physics of Plasmas. 6: 4685-4692. DOI: 10.1063/1.873755  0.33
1999 Hegna CC. Nonlinear dynamics of pressure driven magnetic islands in low aspect ratio tokamaks Physics of Plasmas. 6: 3980-3989.  0.327
1998 Hegna CC. Self-consistent mean-field forces in turbulent plasmas: Current and momentum relaxation Physics of Plasmas. 5: 2257-2263. DOI: 10.1063/1.873032  0.314
1998 Wang X, Bhattacharjee A, Ma ZW, Ren C, Hegna CC, Callen JD. Structure and dynamics of current sheets at Alfvén resonances in a differentially rotating plasma Physics of Plasmas. 5: 2291-2296. DOI: 10.1063/1.872902  0.51
1998 Hegna CC. The physics of neoclassical magnetohydrodynamic tearing modes Physics of Plasmas. 5: 1767-1774. DOI: 10.1063/1.872846  0.333
1998 Wang X, Bhattacharjee A, Ma ZW, Ren C, Hegna CC, Callen JD. Structure and dynamics of current sheets at Alfvén resonances in a differentially rotating plasma Physics of Plasmas. 5: 2291-2296.  0.311
1998 Den Hartog DJ, Almagri AF, Chapman JT, Fiksel G, Hegna CC, Prager SC. Measurement of Fast Ion Dynamics in a High Temperature Plasma Plasma Physics Reports. 24: 148-153.  0.307
1996 Wilson HR, Alexander M, Connor JW, Edwards AM, Gates D, Grüber O, Hastie RJ, Hegna CC, Hender TC, La Haye RJ, Lao LL, Morris AW, Roach CM, Strait EJ, Taylor TS, et al. The collisionality dependence of tokamak β-limits Plasma Physics and Controlled Fusion. 38: A149-A163. DOI: 10.1088/0741-3335/38/12A/012  0.362
1996 Gianakon TA, Hegna CC, Callen JD. Computational modeling of neoclassical and resistive magnetohydrodynamic tearing modes in tokamaks Physics of Plasmas. 3: 4637-4645. DOI: 10.1063/1.871587  0.343
1996 Hegna CC. Nonlinear tearing mode interactions and mode locking in reversed-field pinches Physics of Plasmas. 3: 4646-4657.  0.346
1995 Prager SC, Almagri AF, Cekic M, Chapman J, Den Hartog DJ, Fiksel G, Hegna C, Ji H, Sarff JS, Drake JR, Mazur S, Nordlund P, Saetherblom HE. Plasma rotation, dynamo, and nonlinear coupling in the reversed field pinch Plasma Physics and Controlled Fusion. 37: A303-A311. DOI: 10.1088/0741-3335/37/11A/021  0.316
1994 Hegna CC, Callen JD. Stability of tearing modes in tokamak plasmas Physics of Plasmas. 1: 2308-2318.  0.305
1993 Hegna CC, Callen JD, Gianakon TA, Qu WX, Smolyakov AI, Wang JP. Magnetic islands and their effects in Tokamak plasmas Plasma Physics and Controlled Fusion. 35: 987-1002. DOI: 10.1088/0741-3335/35/8/007  0.337
1991 Efthimion PC, Mansfield DK, Stratton BC, Synakowski E, Bhattacharjee A, Biglari H, Diamond PH, Goldston RJ, Hegna CC, McCune D, Rewoldt G, Scott S, Tang WM, Taylor G, Waltz RE, et al. Observation of temperature-dependent transport in the TFTR tokamak. Physical Review Letters. 66: 421-424. PMID 10043803 DOI: 10.1103/Physrevlett.66.421  0.429
1991 Hegna CC, Bhattacharjee A. Islands in three-dimensional steady flows Journal of Fluid Mechanics. 227: 527-542. DOI: 10.1017/S002211209100023X  0.422
1991 Hegna CC, Bhattacharjee A, Nakamura Y, Wakatani M. Suppression and control of magnetic islands in toroidal plasmas Physics of Fluids B. 3: 2285-2290.  0.384
1990 Hegna CC, Bhattacharjee A. Suppression of magnetic islands by energetic ions in toroidal plasmas Physics of Fluids B. 2: 1804-1814.  0.338
1989 Hegna CC, Bhattacharjee A. Suppression of the tearing mode by energetic ions. Physical Review Letters. 63: 2056-2059. PMID 10040751 DOI: 10.1103/Physrevlett.63.2056  0.515
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