If
you know exactly what you are going to do, what is the point of doing
it?
Pablo Picasso It is better to be roughly right than precisely wrong. Maynard Keynes
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Wk | Date |
Time & place |
Speaker & Topic |
Background reading |
Visitors in town during the week |
Thu 3 Jan |
No seminar | Michael Barnes (MIT) Ben Chandran (U of NH) joins the Plasma Group as sabbatical visitor for HT/TT-2013 |
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0 |
Mon 7 Jan |
9:30am -12:30pm Fisher Rm DWB (map) |
Special
Fusion Theory Seminars (all members of Physics are invited) |
Michael Barnes (MIT) Francis Casson (IPP Garching) Stuart Hudson (PPPL) Nuno Loureiro (Lisbon) Sean Oughton (U of Waikato, NZ) Felix Parra (MIT) Nobumitsu Yokoi (U of Tokyo) |
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Tue 8 Jan |
11:00am ThPhys 2.2 |
Plasma Physics Study Group: ITG/PVG instabilities: 1) Fluid equations in a slab, no shear ---> long-wavelength ITG 2) ITG in a slab from GK; recover long-wavelegth result 3) PVG in a slab, no shear |
1) Steve's lecture on plasma turbulence PFB 3, 2767 (1991) (physics of ITG) PPCF 52, 125001 (2010) (fluid ITG/PVG with magnetic shear) 2-3) PPCF 54, 055011 (2012) (see App B) |
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2:30pm 501 DWB (map) |
Plasma Theory Group
Seminar: Sean Oughton (U of Waikato, NZ) --- MHD turbulence and solar-wind fluctuations |
preprint | |||
Thu
10 Jan |
11:30am 501 DWB (map) |
Plasma Theory Group
Seminar: Ben Chandran (U of New Hampshire) --- Turbulence and the origin of the solar wind |
ApJ 720, 503 (2010) | ||
Fri 11 Jan |
12:00N 501 DWB (map) |
Plasma Theory Group
Seminar: Nobumitsu Yokoi (U of Tokyo) --- Cross helicity effects: turbulence closure, dynamo, and reconnection |
GAFD, PoP (2013) --- preprints from author on request J. Turbulence 12, N27 (2011) PoP 18, 111208 (2011) |
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I |
Tue 15 Jan |
11:00am ThPhys 2.2 |
Plasma Physics Study Group: ITG/PVG instabilities: 1-3) Finish last week's programme 4) Curvature-driven ITG (exercise: curvature + PVG --- what happens?) 5) Effect of velocity shear, in a slab, no mag. shear 6) Effect of mag. shear, in a slab, no velocity shear 7) Velocity + mag. shear, in a slab |
4) Greg Hammett's Winter School-09 lecture 5) PPCF 54, 055011 (2012) 6) PFB 3, 2767 (1991) 7) PPCF 52, 125001 (2010) |
Walter Gekelman (UCLA) Hantao Ji (Princeton) Nobumitsu Yokoi (U of Tokyo) |
12:30pm BIPAC |
Astrophysics Brown Bag Seminar: Ben Chandran (U of New Hampshire) --- Convection and AGN feedback in galaxy-cluster plasmas |
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Thu
17 Jan |
2:30pm 501 DWB (map) |
Plasma Theory Group
Seminar: Walter Gekelman (UCLA) --- Three-dimensional flux ropes |
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II |
Mon 21 Jan |
11:00am 501 DWB (map) |
Group
meeting to discuss current affairs: Troy Carter (UCLA) --- Life in LA Young-chul Ghim (KAIST) --- Life in Korea ... [everything TBC; unannounced contributions welcome] |
PRL 109, 255001 (2012) |
Troy Carter (UCLA) Young-chul Ghim (KSTAR) Penny Wu (U of Delaware) Nobumitsu Yokoi (U of Tokyo) |
Tue 22 Jan |
11:00am ThPhys 2.2 |
Plasma Physics Study Group: 1) Continue working on last week's ITG-PVG programme, especially 4)-5) 2) Landau collision operator (IGA) 3) H-theorem (IGA & AAS) 4) Model and GK collision operators (IGA) |
2-3) Helander 3.1, 3.7-8; Ch 3 questions 3) IGA's Tome-sec 10.2 This is cool (but optional): Am. J. Phys. 33, 391 (1965) 4) PoP 15, 122509 (2008) (sec I-III, Ap B) Optional: PoP 1, 3211 (1994) |
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2:30pm Conf Rm DWB (map) |
Plasma Theory Group
Seminar: Penny Wu (U of Delaware) --- Intermittent heating and kinetic simulations |
ApJ 763, L30 (2013) PoP 20, 012303 (2013) PRL 109, 195001 (2012) |
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Thu
24 Jan |
2:00pm Culham K1/0/85 |
The 41st UK Fusion
Theory
Seminar (contact
Sarah Newton for
further info/access to site). Hyun-Tae Kim (Imperial) --- Simulation of plasma burn-through in tokamaks and the influence of PFCs Wayne Arter (CCFE) --- Potential vorticity formulation of compressible magnetohydrodynamics |
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III |
Tue 29 Jan |
11:00am ThPhys 2.2 |
Plasma Physics Study Group: 1) Braginskii theory of collisional transport (IGA) |
Goedbloed and Poedts 3.1-3.3.2 Helander Ch 4 Braginskii's paper |
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2:15pm Dobson Rm AOPP |
Geophysical and Nonlinear Fluid Dynamics Seminar: Steve Balbus (Oxford Astro) --- Convection and Rotation in the Sun |
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Thu
31 Jan |
11:00am 501 DWB (map) |
Plasma Theory Group
Seminar: Ben Chandran (U of New Hampshire) --- Incorporating kinetic physics into a two-fluid solar-wind model with turbulence and temperature anisotropy |
ApJ 743, 197 (2011) |
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IV |
Tue Feb 5 |
11:00am ThPhys 2.2 |
Plasma Physics Study Group: 1) Neoclassical distributions functions & evolution of magnetic field --- recap (IGA) 2) Transport equations in GK (IGA) |
1) IGA's Tome-sec 7.1-7.3 (look at App B) 2) IGA's Tome-sec 8 (work through 8.1-8.2, incl. App C.1, C.3) |
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Thu
7 Feb |
2:30pm 501 DWB (map) |
Group
meeting to discuss current affairs: Jon Hillesheim (CCFE) --- Upcoming measurements of turbulence in MAST with Doppler Back-Scattering System pillaged from NSTX (ideas welcome!) ... [everything TBC; unannounced contributions welcome] |
PPCF 53, 105001 (2011) |
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V |
Tue Feb 12 |
11:00am ThPhys 2.2 |
Plasma Physics Study Group: 1) Continuation of last week's material 2) Energy flows in GK (IGA) |
2) IGA's Tome-sec 9 |
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Thu
14 Feb |
2:30pm 501 DWB (map) |
Group
meeting to discuss current affairs: Ian Abel & Alex Schekochihin (Oxford) --- Zonal flows redux ... [everything TBC; unannounced contributions welcome] |
arXiv:1208.5970 PRL 107, 115003 (2011) PPCF 47, R35 (2005) |
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VI |
Thu
21 Feb |
2:30pm 501 DWB (map) |
Plasma Theory Group
Seminar: Hugo Doyle (Oxford ALP) --- Grid-induced turbulence in laser driven shock wave experiments and magnetic field generation |
Nature 481, 480 (2012) a new preprint available from author on request; see also NJP 9, 300 (2007) | |
4:15pm ThPhys 2.2 |
Plasma Physics Study Group: 1) Turbulence: K41 & mixing (AAS) 2) MHD turbulence & critical balance (AAS) |
1) AAS notes, Sec 1-2 2) AAS review, Sec 2 JFM 677, 134 (2011) and refs therein (or ask Alfred!) |
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VII |
Tue 26 Feb |
11:00am ThPhys 2.2 |
Plasma Physics Study Group: 1) Critically balanced ITG turbulence (AAS) 2) Free energy cascade (AAS) 3) Energy and entropy flows in GK (cont'd) (AAS) 4) Kinetic MHD (AAS) --- optional, time permitting |
1) Theory: PRL 107, 115003 (2011) Experiment: arXiv:1208.5970 2) PPCF 50, 124024 (2008) 3) IGA's Tome-sec 9, 10 4) AAS notes, Sec 1 |
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11:30am A Wood Seminar Rm |
Special ALP Seminar: Vladimir Fortov (Russian Academy of Sciences) --- Intense shock waves and extreme states of matter |
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Thu
28 Feb |
No seminar |
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VIII |
Tue 5 Mar |
11:00am ThPhys 2.2 |
Plasma Physics Study Group: 1) Miller equilibria (EGH) 2) Magnetic geometry in GK simulations (EGH) 3) CHEASE (EGH) |
1) PoP 5, 973 (1998) 2) EGH's thesis arXiv:1207.4419 (Chapter 3) 3) Comp. Phys. Comm. 97, 219 (1996) |
Sebastien Fromang (CEA) Daniel Verscharen (UNH) Federico Mogavero (ENS, Paris) joins the Plasma Group as undergradute intern for March-July 2013 |
Thu
7 Mar |
11:00am 501 DWB (map) |
Plasma Theory Group
Seminar: Sebastien Fromang (CEA) --- Outflows from turbulent accretion disks |
arXiv:1210.6664 arXiv:1210.6660 arXiv:1301.0318 |
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9 |
Tue 12 Mar |
11:00am ThPhys 2.2 |
Plasma Physics Study Group: Remaining topics... 1) Kinetic MHD (AAS) 2) Kinetic RMHD from GK, from KMHD and from Braginskii (AAS) 3) MHD stability/energy principle (AAS) 4) MHD instabilities: sausage, kink, KH (AAS) 5) Tearing mode (AAS) 6) Magnetic reconnection (AAS) 7) Plasmoid instability and plasmoid reconnection (AAS) 8) Collisionless tearing mode (AAS) |
Sebastien Fromang (CEA) Daniel Verscharen (UNH) |
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Thu
14 Mar |
2:00pm Culham K1/0/85 |
The 42nd UK Fusion
Theory
Seminar (contact
Sarah Newton for
further info/access to site). Daniel Verscharen (UNH) --- Kinetic instabilities driven by alpha particles in the solar wind Filomena Nave (IST, Lisbon) --- Spontaneous Rotation in the JET Tokamak |
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18-29 Mar |
Fusion Theory Working Groups Meeting, WPI,
Vienna | Daniel Verscharen (UNH) |