Relativistic Magnetic Reconnection

10 downloads 107 Views 14MB Size Report
Jan 15, 1972 - correspond to an initial temperature of about 800 eV. It should be ...... travelling wave amplifier (TWA) of 24 GHz radiation pro- vided by a ...
:

ISSN 0031 -8949 (ISSN 0281-1847) ISBN 91-87308-17-7

Proceedings of the international workshop on

Acceleration and Radiation Generation in Space and Laboratory Plasmas Kardamyli, Greece, August 29-September 4,1993

Editors: R. Bingham J. M. Dawson T. Katsouleas L. Stenflo

„i**"0*'

ti tfffO CIms document has been approved $» Pubüc release and sal« S distribution ig unlimited, "

Recognized by the European Physical Society

Physica Scripta Vol

T52

A 9950227158 1994

Physica Scripta Published jointly by The Royal Danish Academy of Sciences and Letters in cooperation with the Danish Physical Society The Delegation of the Finnish Academies of Science and Letters in cooperation with the Finnish Physical Societies The Icelandic Scientific Society in cooperation with the Icelandic Physical Society The Norwegian Academy of Science and Letters in cooperation with the Norwegian Physical Society The Royal Swedish Academy of Sciences in cooperation with the Swedish Physical Society Editors General and cross-disciplinary physics *P. L. Christiansen (theor) M. Hogh Jensen (theor) K. Mork (theor) P. Pieranski (exp) High energy physics K. Enqvist (theor astropart phys) E. Lillestöl (exp) U. Lindström (theor) Nuclear physics G. B. Hagemann (exp) *D.-0. Riska (theor) Atomic, molecular and optical physics Dz. Belkic (theor & exp) L. J. Curtis (theor & exp) J. Javanainen (theor & exp) *I. Martinson A. Rosen (theor & exp) V. P. Shevelko (theor) S. Svanberg (exp) G. Werth Plasma physics *H. L. Pecseli (theor & exp) *L. Stenflo (theor) M. Y. Yu (theor) Condensed matter physics and material sciences P. Apell (theor) *H. P. Gislason (exp) H. G. Grimmeiss (exp) *V. Guömundsson (theor) P. C. Hemmer (theor) T. Jossang (theor & exp) P. E. Lindelof(exp) *R. Nieminen (theor & exp) *T. Riste (exp) W. Salaneck (exp) T. I. Sigfusson (exp) Geophysics, astronomy and astrophysics S. J. Johnsen J. M. Knudsen (exp) * Member of the editorial board

Editorial Office Scientific Editors Anders Bäräny (executive) Roger Wäppling Agneta Seidel Production Editors Asa von Krusenstjerna Katarina Lundin Manuscripts Shall be sent in triplicate - one original and two copies any of the editors. For full addresses see cover page 3.

to

Offprints 25 offprints of each paper will be supplied free of charge. Additional copies may be ordered at cost price. Subscriptions The Royal Swedish Academy of Sciences Physica Scripta Box 50005 S-104 05 Stockholm Sweden Subscription price For 1994 (vols 49, 50 and T-volumes) the subscription price is DEM 1575. For subscribers in the Nordic Countries SEK 4725. For subscribers in USA, Canada and Mexico US $900. Back numbers and single issues Can be ordered separately. Price information on request.

Physica Scripta is delivered to some institutions in the former Soviet Union through a program initiated and administered by the European Physical Society. This program is funded by INTAS, the International Association for the promotion of cooperation with scientists from the independent States of the former Soviet Union. Members of INTAS are the European Union, Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxemburg, the Netherlands, Portugal, Spain, United Kingdom, Sweden and Switzerland. (INTAS, Rue du Luxembourg 14A, 1040 Bruxelles, Belgique).

1994 Royal Swedish Academy of Sciences Typeset by Santype International Ltd and Printed in Great Britain by Lindsay Ross International Ltd., London and Oxon.

REPORT DOCUMENTATION PAGE

form Apprvvtd 0M8 No..070-1-0188

lllsll^

1. AGENCY USE ONLY a«*y« tUnk)

2. REPORT DATE

3. REPORT TYPE AND DATES COVERED,., >,

/Q:

2-14-95 Final Technical Report U/i/yJ A. TITLE AND SUBTITU Workshop on Acceleration and Radiation 5. FUNDING NUMBERS Generation in Space and Laboratory Plasmas - Aug. 29 - Sept. 4 N00014-93-1-0814 1993 «. AUTHOR(S)

T. Katsouleas R. Bingham J. M. Dawson,

Stenflo

7. PERFORMING ORGANIZATION NAMEl

GENERAL INSTRUCTIONS FOR COMPLETING SF 298 The Report Documentation Page (RDP) is used in announcing and cataloging reports. It is important that this information be consistent with the rest of the report, particularly the cover and title page. Instructions for filling in each block of the form follow. It is important to stay within the lines to meet optical scanning requirements. '"'.'•.'..:.l. ":.t V .-•'"'. Block 1. Agency Use Only (Leave blank). Block 2. Reoort Date. Full publication date including day, month, and year, if available (e.g. 1 Jan 88). Must cite at least the year. Block 3. Type of Reoort and Dates Covered. State whether report is interim, final, etc If applicable, enter inclusive report dates (e.g. 10 Jun87-30Jun88). . ;• Block 4. Title and Subtitle. A title is taken from th« part of the report that provides the most meaningful and complete information. When a report is prepared in more than one volume, repeat the primary title, add volume number, and include subtitle for the specific volume. On classified documents enter the title classification in parentheses. Blocks. Funding Numbers. To include contract and grant numbers; may include program element number(s), project numbers), task numbers), and work unit numbers). Use the following labels: C G P£

Contract Grant Program Element

PR - Project TA - Task WU - Work Unit Accession No.

Block 6. Authorfs). Name(s) of person(s) responsible for writing the report, performing the research, or credited with the content of the report. If editor or compiler, this should follow thename(s). Block 7. Performing Organization Name(s) and Addressees). Self-explanatory. Block 8. Performing Organization Resort Number. Enter the unigue alphanumeric report numbers) assigned by the organization performing the report. Block 9. Soonsoring/Monitoring Agency Name(s) and Address(es). Self-explanatory. Block 10. Soonsoring/Monitorino Acer.cv Reoort Number. (If known) Block 11. Supplementary Notes. Enter information not included elsewhere such as: Prepared in cooperation with...; Trans, of...; To be published in.... When a report is revised, include a statement whether the new report supersedes or supplements the older report.

Block 12a. Distribution/Availability Statement. Denotes public availability or limitations. Cite any availability to the public. Enter additional limitations or special markings in all capitals (e.g. NOFORN, REL, ITAR). DOD - See DoDD 5230.24, "Distribution Statements on Technical ..*__-. Documents." DOE - See authorities. NASA- See HandbookNHB 2200.2. NTIS - Leave blank. Block 12b. Distribution Code. Leave blank. Enter DOE distribution categories from the Standard Distribution for Unclassified Scientific and Technical Reports. NASA- Leave blank. NT1S "- Leave blank.

DOD DOE

Block 13. Abstract. Include a brief (Maximum 200 words) factual summary of the most significant information contained in the report. Block 14. Subject Terms. Keywords or phrases identifying major subjects in the report. Block 15. Number of Pages. Enter the total number of pages. Block 16. Price Code. Enter appropriate price code (NTIS only).

^

Blocks 17. - 19. Security Classifications. Selfexplanatory. Enter U.S. Security Classification in accordance with U.S. Security Regulations (i.e., UNCLASSIFIED). If form contains classified information, stamp classification on the tap and bottom of the page. Block 20. Limitation of Abstract. This block must be completed to assign a limitation to the abstract. Enter either UL (unlimited) or SAR (same as report). An entry in this block is necessary if the abstract is to be limited. If blank, the abstract is assumed to be unlimited. Standard Farm 293 Sack (Rtv. 2-Z9)

ISSN 0031 -8949 (ISSN 0281-1847) ISBN 91-87308-17-7

Proceedings of the international workshop on

Acceleration and Radiation Generation in Space and Laboratory Plasmas Kardamyli, Greece, August 29-September 4, 1993 Accesion For

Editors: R. Bingham J. M. Dawson T. Katsouleas L Stenflo

NTIS CRA&I DTIC TAB Unannounced Justification

D D

By Distribution/ Availability Codes Dist

M Recognized by the European Physical Society

Physica Scripta Vol

T52

1994

Avail and/or Special

Physica Scripta Published jointly by

The Royal Danish Academy of Sciences and Letters in cooperation with the Danish Physical Society The Delegation of the Finnish Academies of Science and Letters in cooperation with the Finnish Physical Societies The Icelandic Scientific Society in cooperation with the Icelandic Physical Society The Norwegian Academy of Science and Letters in cooperation with the Norwegian Physical Society The Royal Swedish Academy of Sciences in cooperation with the Swedish Physical Society Editors General and cross-disciplinary physics *P. L. Christiansen (theor) M. Hogh Jensen (theor) K. Mork (theor) P. Pieranski (exp) High energy physics K. Enqvist (theor astropart phys) E. Lillestöi (exp) U. Lindström (theor) Nuclear physics G. B. Hagemann (exp) *D.-0. Riska (theor) Atomic, molecular and optical physics Dz. Belkic (theor & exp) L. J. Curtis (theor & exp) J. Javanainen (theor & exp) *I. Martinson A. Rosen (theor & exp) V. P. Shevelko (theor) S. Svanberg (exp) G. Werth Plasma physics *H. L. Pecseli (theor & exp) *L. Stenflo (theor) M. Y. Yu (theor) Condensed matter physics and material sciences P. Apell (theor) *H. P. Gislason (exp) H. G. Grimmeiss (exp) *V. Gudmundsson (theor) P. C. Hemmer (theor) T. Jossang (theor & exp) P. E. Lindelof (exp) *R. Nieminen (theor & exp) *T. Riste (exp) W. Salaneck (exp) T. I. Sigfusson (exp) Geophysics, astronomy and astrophysics S. J. Johnsen J. M. Knudsen (exp) *Member of the editorial board

Editorial Office Scientific Editors Anders Bäräny (executive) Roger Wäppling Agneta Seidel Production Editors Äsa von Krusenstjerna Katarina Lundin Manuscripts Shall be sent in triplicate - one original and two copies any of the editors. For full addresses see cover page 3.

to

Offprints 25 offprints of each paper will be supplied free of charge. Additional copies may be ordered at cost price. Subscriptions The Royal Swedish Academy of Sciences Physica Scripta Box 50005 S-104 05 Stockholm Sweden Subscription price For 1994 (vols 49, 50 and T-volumes) the subscription price is DEM 1575. For subscribers in the Nordic Countries SEK 4725. For subscribers in USA, Canada and Mexico US $900. Back numbers and single issues Can be ordered separately. Price information on request.

Physica Scripta is delivered to some institutions in the former Soviet Union through a program initiated and administered by the European Physical Society. This program is funded by INTAS, the International Association for the promotion of cooperation with scientists from the independent States of the former Soviet Union. Members of INTAS are the European Union, Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxemburg, the Netherlands, Portugal, Spain, United Kingdom, Sweden and Switzerland. (INTAS, Rue du Luxembourg 14A, 1040 Bruxelles, Belgique).

({') 1994 Royal Swedish Academy of Sciences Typeset by Santype International Ltd and Printed in Great Britain by Lindsay Ross International Ltd., London and Oxon.

Physica Scripts

Vol. T52

1994

Contents Foreword GENERAL Plasma accelerators. J. M. Dawson Nonlinear limits of magnetic reconnection. A >4. Galeev Particle acceleration in lower-hybrid cavitons. R. Bingham, J. J. Su, V. D. Shapiro, V. Shevchenko, S. Ma, J. M. Dawson and V. N. Tsytovich Overview of laboratory plasma radiation sources. W. B. Mori LABORATORY Thermal wave model for nonlinear longitudinal dynamics of a relativistic charged particle bunch in cold plasmas. R. Fedele and V. G. Vaccaro A slow-wave autonomous cyclotron buncher: exact Hamiltonian analysis and simplified helical model. D.J. Frantzeskakis, K. Hizanidis and J. L. Vomvoridis Excitation of fast Langmuir wave and strong Langmuir turbulence by two microwaves: theory and first experimental results. Ya. L. Bogomolov, Yu. Ya. Brodsky, A. M. Feigin, A. G. Litvak, A. 0. Perminov and S. P. Shlepnev A measurement of space-charge fields in a microwave free electron laser. T. C. Marshall and M.A. Cecere ... A proof-of-principle experiment of laser wakefield acceleration. K. Nakajima, T. Kawakubo, H. Nakanishi, A. Ogata, Y. Kato, Y. Kitagawa, R. Kodama, K. Mima, H. Shiraga, K. Suzuki, T. Zhang, Y. Sakawa, T. Shoji, Y. Nishida, N.Yugami, M. Downer, D. Fisher, B. Newberger and T.Tajima Excitation of wakefield and electron acceleration by short microwave pulse. Y. Nishida, S. Kusaka and N. Yugami Plasma wakefield acceleration experiments using twin linacs. A. Ogata, H. Nakanishi, T. Kawakubo, M. Arinaga, K. Nakajima, D. Whittum, Y. Yoshida, T. Ueda, T. Kobayashi, H. Shibata, N. Yugami and Y. Nishida Laser wakefield generation in magnetized plasmas. P. K. Shukla Plasma wakefield generation by multiple short pulses. D. A. Johnson, R. A. Cairns, R. Bingham and U. de Angelis Simulations of the interaction between a light wave and an ionization front in a DC magnetic field. C. H. Lai, T. C. Katsouleas and W. B. Mori ASTROPHYSICS Lattice of Langmuir solitons in the pulsar magnetosphere. E. Asseo Relativistic magnetic reconnection. E. G. Blackman and G. B. Field Acceleration in astrophysics. S. A. Colgate Processes of MHD-wave radiation and of cosmic ray flux focusing in the galaxy. V. A. Dogiel, A. V. Gurevich andK.P.Zybin High energy gamma rays from active galactic nuclei. D. Kazanas Reflection of radio radiation at ionization fronts in emission line regions and accretion disks of active galactic nuclei. V. Krishnan Role of plasma processes in astrophysics. V. Krishan Plasma configurations and particle acceleration associated with rotating cosmic magnets. K. O. Thielheim ... Nonlinear neutrino plasmas interactions. J.J. Su, R. Bingham, J. M. Dawson and H.A. Bethe FUSION Superthermal ion cyclotron harmonic emission from fusion and space plasmas: a single physical mechanism. R.O.Dendy,C.N.Lashmore-Davies,K.G.McClements,K.F.KamandG.A.Cottrell A possible synchrotron radiation instability in JET post disruption discharges. C. N. Lashmore-Davies and D. C. McDonald SPACE PLASMAS Dominant acceleration processes of energetic protons at the earth's bow shock. G. C. Anagnostopoulos .... Electron Barkhausen oscillation as a possible source of kHz radiation from the neutral sheet of the earth's magnetotail. T. C. Marshall, G. Schmidt and P. Sprangle Collective acceleration in solar flares. W. Barletta, S. S. Gershtein, V. Krishan, M. Reiser, A. M. Sessler and M.Xie

5

7 13 20 28

36 40

51 58

61 65 69 73 77 82

87 93 96 106 110 115 118 123 132

135 139

142 152 154

a