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Browsing by Author "Galvan, C."

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Auroral zone plasma waves detected at polar: PCBL waves

Tsurutani, B.T.; Arballo, J.K.; Galvan, C.; Zhang, L.D.; Lakhina, G.S.; Hada, T.; Pickettd, J.S.; Gurnettd, D.A. (2001)

Polar Cap Boundary Layer waves are ELF/VLF electric and magnetic waves detected on field lines adjacent to the polar cap, thus their name. Waves are present at this location 96% of the time. The wave latitude-local time ...
Broadband plasma waves observed in the polar cap boundary layer: Polar

Tsurutani, B.T.; Lakhina, G.S.; Ho, Christian M.; Arballo, J.K.; Galvan, C.; Boonsiriseth, A.; Pickett, J.S.; Gurnett, D.A.; Peterson, W.K.; Thorne, R.M. (1998)

Polar observations indicate the presence of intense broadband plasma waves nearly all of the time (96% occurrence frequency in this study) near the apogee of the Polar trajectory (∼6–8 RE). The region of wave activity ...
Energetic particle cross-field diffusion: Interaction with Magnetic Decreases (MDs)

Tsurutani, B.T.; Lakhina, G.S.; Winterhalter, D.; Arballo, J.K.; Galvan, C.; Sukurai, R. (1999)

Magnetic field Decreases (MDs) are detected in the heliospheric polar regions. The MDs have minimum spatial scales sizes of 25 proton thermal gyroradii, and are typically bounded by tangential or rotational discontinuities. ...
Phase-steepened Alfvén waves, proton perpendicular energization and the creation of magnetic holes and magnetic decreases: The ponderomotive force

Tsurutani, B.T.; Dasgupta, B.; Galvan, C.; Neugebauer, M.; Lakhina, G.S.; Arballo, J.K.; Winterhalter, D.; Goldstein, B.E.; Buti, B. (2002)

[1] Solar wind protons detected within Magnetic Holes (MHs) and Magnetic Decreases (MDs) are found to be preferentially heated perpendicular to equation image0. The MHs/MDs are associated with the phase-steepened edges of ...
Relationship between discontinuities, magnetic holes, magnetic decreases, and nonlinear Alfvén waves: Ulysses observations over the solar poles

Tsurutani, B.T.; Galvan, C.; Arballo, J.K.; Winterhalter, D.; Sakurai, R.; Smith, E.J.; Buti, B.; Lakhina, G.S.; Balogh, A. (2002)

[1] Ulysses magnetic field data are used to study magnetic field microstructure over the solar poles. Magnetic holes (MHs) and magnetic decreases (MDs) are found to be located at the phase-steepened edges of nonlinear ...
Sun–Earth connection: Boundary layer waves and auroras

Lakhina, G.S.; Tsurutani, B.T.; Arballo, J.K.; Galvan, C. (2000)

Boundary layers are the sites where energy and momentum are exchanged between two distinct plasmas. Boundary layers occurring in space plasmas can support a wide spectrum of plasma waves spanning a frequency range of a few ...

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