No subject
Sun Aug 3 23:20:45 PDT 2014
ck Holes: Unexpected Plasmas, Relevant and Laboratory Based Theories=20
The in situ exploration of the Heliosphere has revealed the existence of un=
expected kinds of plasmas and magnetic field configurations around the most=
distant planets (e.g. Uranus and Neptune) for which reliable theories can =
be formulated and be of help to envision the environments of a variety of r=
ecently discovered exo-planets. On larger scales, radically different kinds=
of plasmas have been found: in particular plasmas with =E2=80=9Ctemperatur=
es in the tens of keV are observed to be the main visible component of Gala=
xy Clusters, while =CE=B3-ray emitting plasma structures (=E2=80=9Cbubbles=
=E2=80=9D) have been seen to emerge from the disk of Our Galaxy with dimens=
ions of the same order as those characterizing the Galaxy. Although the the=
ory of the plasmas that can surround pulsars has a long history, the fact t=
hat the plasmas on the surface of pulsars can have inhomogeneous features (=
such as hot spots) and dynamics has gained attention recently. Given the ve=
ry high magnetic fields involved, the role of the electron thermal conducti=
vity anisotropy is shown to be an important factor in these. There are impo=
rtant issues to be resolved in order to envision the plasmas that can surro=
und black holes. These involve the structures that can form, such as rings =
and 3D spirals, the kind of transport of angular momentum that is needed to=
allow plasma accretion on the black hole, etc. In fact, laboratory experim=
ents on high-energy plasmas have cast new light on basic processes that inc=
lude the nature of angular momentum transport not described by a diffusion =
equation, magnetic reconnection events and associated production of high-en=
ergy particles, self-organization processes, etc.=20
Friday, May 29, 2015=20
Room 6704 Geology=20
3:30 - 5:00 PM=20
Refreshments served after the seminar in Room 6850.=20
In-Charge=20
M. Velli=20
------=_Part_10131091_1193873085.1432660770694
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text-decoration: none;"><div style=3D"color: rgb(0, 0, 0);" data-mce-style=
=3D"color: #000000;"><div style=3D"color: rgb(0, 0, 0); font-style: normal;=
text-decoration: none;" data-mce-style=3D"color: #000000; font-style: norm=
al; text-decoration: none;"><div style=3D"color: rgb(0, 0, 0);" data-mce-st=
yle=3D"color: #000000;"><div style=3D"color: rgb(0, 0, 0); font-style: norm=
al; text-decoration: none;" data-mce-style=3D"color: #000000; font-style: n=
ormal; text-decoration: none;"><div style=3D"color: rgb(0, 0, 0);" data-mce=
-style=3D"color: #000000;"><div style=3D"color: rgb(0, 0, 0); font-style: n=
ormal; text-decoration: none;" data-mce-style=3D"color: #000000; font-style=
: normal; text-decoration: none;"><div style=3D"color: rgb(0, 0, 0);" data-=
mce-style=3D"color: #000000;"><div style=3D"color: rgb(0, 0, 0); font-style=
: normal; text-decoration: none;" data-mce-style=3D"color: #000000; font-st=
yle: normal; text-decoration: none;"><div style=3D"color: rgb(0, 0, 0);" da=
ta-mce-style=3D"color: #000000;"><div style=3D"color: rgb(0, 0, 0); font-st=
yle: normal; text-decoration: none;" data-mce-style=3D"color: #000000; font=
-style: normal; text-decoration: none;"><div style=3D"color: rgb(0, 0, 0);"=
data-mce-style=3D"color: #000000;"><div style=3D"color: rgb(0, 0, 0);" dat=
a-mce-style=3D"color: #000000;"><div style=3D"color: rgb(0, 0, 0); font-sty=
le: normal; text-decoration: none;" data-mce-style=3D"color: #000000; font-=
style: normal; text-decoration: none;"><div dir=3D"ltr"><div style=3D"color=
: rgb(0, 0, 255);" data-mce-style=3D"color: #0000ff;"><div><strong><span st=
yle=3D"color: #333333; font-family: monospace; font-size: 13.3333330154419p=
x; background-color: #fdfdfd;" data-mce-style=3D"color: #333333; font-famil=
y: monospace; font-size: 13.3333330154419px; background-color: #fdfdfd;">**=
*Meeting Times Available***</span></strong></div><div><span style=3D"color:=
#333333; font-family: monospace; font-size: 13.3333330154419px; background=
-color: #fdfdfd;" data-mce-style=3D"color: #333333; font-family: monospace;=
font-size: 13.3333330154419px; background-color: #fdfdfd;">Prof. Coppi wil=
l be </span><span style=3D"color: #333333; font-family: monospace; fon=
t-size: 13.3333330154419px; background-color: #fdfdfd;" data-mce-style=3D"c=
olor: #333333; font-family: monospace; font-size: 13.3333330154419px; backg=
round-color: #fdfdfd;">available for discussions on</span><span style=3D"co=
lor: #333333; font-family: monospace; font-size: 13.3333330154419px; backgr=
ound-color: #fdfdfd;" data-mce-style=3D"color: #333333; font-family: monosp=
ace; font-size: 13.3333330154419px; background-color: #fdfdfd;"> </spa=
n><span class=3D"Object" style=3D"color: #336699; cursor: pointer; font-fam=
ily: monospace; font-size: 13.3333330154419px;" data-mce-style=3D"color: #3=
36699; cursor: pointer; font-family: monospace; font-size: 13.3333330154419=
px;">Thursday</span><span style=3D"color: #333333; font-family: monospace; =
font-size: 13.3333330154419px; background-color: #fdfdfd;" data-mce-style=
=3D"color: #333333; font-family: monospace; font-size: 13.3333330154419px; =
background-color: #fdfdfd;"> </span><span style=3D"color: #333333; fon=
t-family: monospace; font-size: 13.3333330154419px; background-color: #fdfd=
fd;" data-mce-style=3D"color: #333333; font-family: monospace; font-size: 1=
3.3333330154419px; background-color: #fdfdfd;">and also</span><span style=
=3D"color: #333333; font-family: monospace; font-size: 13.3333330154419px; =
background-color: #fdfdfd;" data-mce-style=3D"color: #333333; font-family: =
monospace; font-size: 13.3333330154419px; background-color: #fdfdfd;"> =
;</span><span class=3D"Object" style=3D"color: #336699; cursor: pointer; fo=
nt-family: monospace; font-size: 13.3333330154419px;" data-mce-style=3D"col=
or: #336699; cursor: pointer; font-family: monospace; font-size: 13.3333330=
154419px;">Friday</span><span style=3D"color: #333333; font-family: monospa=
ce; font-size: 13.3333330154419px; background-color: #fdfdfd;" data-mce-sty=
le=3D"color: #333333; font-family: monospace; font-size: 13.3333330154419px=
; background-color: #fdfdfd;"> </span><span style=3D"color: #333333; f=
ont-family: monospace; font-size: 13.3333330154419px; background-color: #fd=
fdfd;" data-mce-style=3D"color: #333333; font-family: monospace; font-size:=
13.3333330154419px; background-color: #fdfdfd;">morning. If </span><s=
pan style=3D"color: #333333; font-family: monospace; font-size: 13.33333301=
54419px; background-color: #fdfdfd;" data-mce-style=3D"color: #333333; font=
-family: monospace; font-size: 13.3333330154419px; background-color: #fdfdf=
d;">anyone would like to meet with him, they are encouraged to contact Prof=
. Velli:</span><br style=3D"color: #333333; font-family: monospace; font-si=
ze: 13.3333330154419px;" data-mce-style=3D"color: #333333; font-family: mon=
ospace; font-size: 13.3333330154419px;"><span class=3D"Object" style=3D"col=
or: #336699; cursor: pointer; font-family: monospace; font-size: 13.3333330=
154419px;" data-mce-style=3D"color: #336699; cursor: pointer; font-family: =
monospace; font-size: 13.3333330154419px;"><a href=3D"mailto:mvelli at ucla.ed=
u" data-mce-href=3D"mailto:mvelli at ucla.edu">mvelli at ucla.edu</a> to sch=
edule.<br></span></div><div><span class=3D"Object" style=3D"color: #336699;=
cursor: pointer; font-family: monospace; font-size: 13.3333330154419px;" d=
ata-mce-style=3D"color: #336699; cursor: pointer; font-family: monospace; f=
ont-size: 13.3333330154419px;"> </span></div><div><span class=3D"Objec=
t" style=3D"color: #336699; cursor: pointer; font-family: monospace; font-s=
ize: 13.3333330154419px;" data-mce-style=3D"color: #336699; cursor: pointer=
; font-family: monospace; font-size: 13.3333330154419px;"> </span></di=
v><div style=3D"font-size: 12pt; font-family: Helvetica, Arial, sans-serif;=
" data-mce-style=3D"font-size: 12pt; font-family: Helvetica, Arial, sans-se=
rif;"><div style=3D"font-family: 'times new roman', 'new york', times, seri=
f; font-size: 12pt;" data-mce-style=3D"font-family: 'times new roman', 'new=
york', times, serif; font-size: 12pt;"><div style=3D"font-size: 12pt;" dat=
a-mce-style=3D"font-size: 12pt;"><div style=3D"font-size: 12pt;" data-mce-s=
tyle=3D"font-size: 12pt;"><div style=3D"font-size: 12pt;" data-mce-style=3D=
"font-size: 12pt;"><div style=3D"font-size: 12pt;" data-mce-style=3D"font-s=
ize: 12pt;"><div style=3D"font-size: 12pt;" data-mce-style=3D"font-size: 12=
pt;"><div style=3D"font-size: 12pt;" data-mce-style=3D"font-size: 12pt;"><d=
iv style=3D"font-size: 12pt;" data-mce-style=3D"font-size: 12pt;"><div styl=
e=3D"font-size: 12pt;" data-mce-style=3D"font-size: 12pt;"><div><div><div><=
div><div><div><div><div><div><div><div><div><div><div><div><div><div><div><=
div><div><div><div><div><div><div><div><div><div><div><div><div><div><div><=
div><div><div><div><div><div><div><div><div><div><div><div><div><div><div><=
div><div><div><div><div><div><div><div><div><div><div><div><div><div><div><=
div><div><div><div><div><div><div><div><div><div><div><div><div><div><div><=
div><div><div><div><div><div><div><div><div><div><div dir=3D"ltr"><div styl=
e=3D"color: #0000ff;" data-mce-style=3D"color: #0000ff;"><p align=3D"center=
" style=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-serif; marg=
in: 0px;" data-mce-style=3D"font-size: 10pt; font-family: Helvetica, Arial,=
sans-serif; margin: 0px;"><b><span><span style=3D"font-family: 'Times New =
Roman';" data-mce-style=3D"font-family: 'Times New Roman';"><span style=3D"=
font-size: 26pt;" data-mce-style=3D"font-size: 26pt;">SPACE PHYSICS SEMINAR=
</span></span></span></b><b><span></span></b></p><p align=3D"center" style=
=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-serif; margin: 0px=
;" data-mce-style=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-s=
erif; margin: 0px;"><b><span><span style=3D"font-family: 'Times New Roman';=
" data-mce-style=3D"font-family: 'Times New Roman';"><span style=3D"font-si=
ze: 14pt;" data-mce-style=3D"font-size: 14pt;">DEPARTMENT OF EARTH, PLANETA=
RY, AND SPACE SCIENCES</span></span></span></b><span></span></p><p align=3D=
"center" style=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-seri=
f; margin: 0px;" data-mce-style=3D"font-size: 10pt; font-family: Helvetica,=
Arial, sans-serif; margin: 0px;"><b><span><span style=3D"font-family: 'Tim=
es New Roman';" data-mce-style=3D"font-family: 'Times New Roman';"><span st=
yle=3D"font-size: 14pt;" data-mce-style=3D"font-size: 14pt;">DEPARTMENT OF =
ATMOSPHERIC AND OCEANIC SCIENCES</span></span></span></b><span></span></p><=
p align=3D"center" style=3D"font-size: 10pt; font-family: Helvetica, Arial,=
sans-serif; margin: 0px;" data-mce-style=3D"font-size: 10pt; font-family: =
Helvetica, Arial, sans-serif; margin: 0px;"><b><span><span style=3D"font-fa=
mily: 'Times New Roman';" data-mce-style=3D"font-family: 'Times New Roman';=
"><span style=3D"font-size: 14pt;" data-mce-style=3D"font-size: 14pt;">UNIV=
ERSITY OF CALIFORNIA, LOS ANGELES</span></span></span></b><span></span></p>=
<p align=3D"center" style=3D"font-size: 10pt; font-family: Helvetica, Arial=
, sans-serif; margin: 0px;" data-mce-style=3D"font-size: 10pt; font-family:=
Helvetica, Arial, sans-serif; margin: 0px;"><b><span><span style=3D"font-f=
amily: 'Times New Roman';" data-mce-style=3D"font-family: 'Times New Roman'=
;"><span style=3D"font-size: 14pt;" data-mce-style=3D"font-size: 14pt;">(EP=
SS M288A, <b><span><span><span style=3D"font-size: 14pt;" data-mce-sty=
le=3D"font-size: 14pt;">AOS M275A</span></span></span></b>)</span></span></=
span></b></p><p align=3D"center" style=3D"font-size: 10pt; font-family: Hel=
vetica, Arial, sans-serif; margin: 0px;" data-mce-style=3D"font-size: 10pt;=
font-family: Helvetica, Arial, sans-serif; margin: 0px;"><br></p><p align=
=3D"center" style=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-s=
erif; margin: 0px;" data-mce-style=3D"font-size: 10pt; font-family: Helveti=
ca, Arial, sans-serif; margin: 0px;"><br></p><p align=3D"center" style=3D"f=
ont-size: 10pt; font-family: Helvetica, Arial, sans-serif; margin: 0px;" da=
ta-mce-style=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-serif;=
margin: 0px;"><b><span style=3D"font-family: 'Times New Roman';" data-mce-=
style=3D"font-family: 'Times New Roman';"><span style=3D"font-size: 14pt;" =
data-mce-style=3D"font-size: 14pt;"><span style=3D"font-size: x-large; font=
-family: 'times new roman', 'new york', times, serif;" data-mce-style=3D"fo=
nt-size: x-large; font-family: 'times new roman', 'new york', times, serif;=
">Bruno Coppi</span><br></span></span></b></p><p align=3D"center" style=3D"=
font-family: Helvetica, Arial, sans-serif; margin: 0px;" data-mce-style=3D"=
font-family: Helvetica, Arial, sans-serif; margin: 0px;"><span style=3D"fon=
t-family: 'Times New Roman'; font-size: 18.6666660308838px;" data-mce-style=
=3D"font-family: 'Times New Roman'; font-size: 18.6666660308838px;"><b>MIT<=
/b></span></p><p align=3D"center" style=3D"font-size: 10pt; font-family: He=
lvetica, Arial, sans-serif; margin: 0px;" data-mce-style=3D"font-size: 10pt=
; font-family: Helvetica, Arial, sans-serif; margin: 0px;"><span><span styl=
e=3D"font-family: 'Times New Roman';" data-mce-style=3D"font-family: 'Times=
New Roman';"><b><span><span><span style=3D"font-size: 14pt;" data-mce-styl=
e=3D"font-size: 14pt;"> </span></span></span></b></span></span></p><p =
align=3D"center" style=3D"font-size: 10pt; font-family: Helvetica, Arial, s=
ans-serif; margin: 0px; text-align: center;" data-mce-style=3D"font-size: 1=
0pt; font-family: Helvetica, Arial, sans-serif; margin: 0px; text-align: ce=
nter;"><strong><span style=3D"font-size: 20pt; font-family: 'Times New Roma=
n', serif;" data-mce-style=3D"font-size: 20pt; font-family: 'Times New Roma=
n', serif;">From the Heliosphere, to Galaxy Clusters, Gamma Ray Bubbles Pul=
sars and Black Holes: Unexpected Plasmas, Relevant and Laboratory Based The=
ories<br></span></strong></p><p style=3D"margin: 0px;" data-mce-style=3D"ma=
rgin: 0px;"><br></p><div><p style=3D"margin: 0px;" data-mce-style=3D"margin=
: 0px;">The in situ exploration of the Heliosphere has revealed the existen=
ce of unexpected kinds of plasmas and magnetic field configurations around =
the most distant planets (e.g. Uranus and Neptune) for which reliable theor=
ies can be formulated and be of help to envision the environments of a vari=
ety of recently discovered exo-planets. On larger scales, radically differe=
nt kinds of plasmas have been found: in particular plasmas with =E2=80=9Cte=
mperatures in the tens of keV are observed to be the main visible component=
of Galaxy Clusters, while =CE=B3-ray emitting plasma structures (=E2=
=80=9Cbubbles=E2=80=9D) have been seen to emerge from the disk of Our Galax=
y with dimensions of the same order as those characterizing the Galaxy. Alt=
hough the theory of the plasmas that can surround pulsars has a long histor=
y, the fact that the plasmas on the surface of pulsars can have inhomo=
geneous features (such as hot spots) and dynamics has gained attention rece=
ntly. Given the very high magnetic fields involved, the role of the electro=
n thermal conductivity anisotropy is shown to be an important factor in the=
se. <span style=3D"font-size: 12pt;" data-mce-style=3D"font-size: 12pt=
;">There are important issues to be resolved in order to envision the plasm=
as that can surround black holes. These involve the structures that can for=
m, such as rings and 3D spirals, the kind of transport of angular momentum =
that is needed to allow plasma accretion on the black hole, etc. In fact, l=
aboratory experiments on high-energy plasmas have cast new light on basic p=
rocesses that include the nature of angular momentum transport not describe=
d by a diffusion equation, magnetic reconnection events and associated prod=
uction of high-energy particles, self-organization processes, etc.</span></=
p></div><div title=3D"Page 1" style=3D"font-size: 10pt;" data-mce-style=3D"=
font-size: 10pt;"><div style=3D"font-family: Helvetica, Arial, sans-serif; =
margin-top: 0px; margin-bottom: 0px;" data-mce-style=3D"font-family: Helvet=
ica, Arial, sans-serif; margin-top: 0px; margin-bottom: 0px;"><br></div></d=
iv><p align=3D"center" style=3D"font-size: 10pt; font-family: Helvetica, Ar=
ial, sans-serif; margin: 0px;" data-mce-style=3D"font-size: 10pt; font-fami=
ly: Helvetica, Arial, sans-serif; margin: 0px;"><b><span><span style=3D"fon=
t-family: 'Times New Roman';" data-mce-style=3D"font-family: 'Times New Rom=
an';">Friday, May 29, 2015</span></span></b></p><p align=3D"center" style=
=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-serif; margin: 0px=
;" data-mce-style=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-s=
erif; margin: 0px;"><b><span><span style=3D"font-family: 'Times New Roman';=
" data-mce-style=3D"font-family: 'Times New Roman';">Room 6704 Geology</spa=
n></span></b></p><p align=3D"center" style=3D"font-size: 10pt; font-family:=
Helvetica, Arial, sans-serif; margin: 0px;" data-mce-style=3D"font-size: 1=
0pt; font-family: Helvetica, Arial, sans-serif; margin: 0px;"><b><span><spa=
n style=3D"font-family: 'Times New Roman';" data-mce-style=3D"font-family: =
'Times New Roman';">3:30 - 5:00 PM</span></span></b></p><p align=3D"center"=
style=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-serif; margi=
n: 0px;" data-mce-style=3D"font-size: 10pt; font-family: Helvetica, Arial, =
sans-serif; margin: 0px;"><b><span style=3D"font-family: 'Times New Roman';=
" data-mce-style=3D"font-family: 'Times New Roman';"></span></b> </p><=
p align=3D"center" style=3D"font-size: 10pt; font-family: Helvetica, Arial,=
sans-serif; margin: 0px;" data-mce-style=3D"font-size: 10pt; font-family: =
Helvetica, Arial, sans-serif; margin: 0px;">Refreshments served after the s=
eminar in Room 6850.</p><div style=3D"font-size: 10pt; font-family: Helveti=
ca, Arial, sans-serif;" data-mce-style=3D"font-size: 10pt; font-family: Hel=
vetica, Arial, sans-serif;"><br></div><p align=3D"center" style=3D"font-siz=
e: 10pt; font-family: Helvetica, Arial, sans-serif; margin: 0px;" data-mce-=
style=3D"font-size: 10pt; font-family: Helvetica, Arial, sans-serif; margin=
: 0px;"><b><span><span style=3D"font-family: 'Times New Roman';" data-mce-s=
tyle=3D"font-family: 'Times New Roman';">In-Charge</span></span></b><br><sp=
an style=3D"font-family: 'Times New Roman';" data-mce-style=3D"font-family:=
'Times New Roman';">M. Velli</span></p></div></div></div></div></div></div=
></div></div></div></div></div></div></div></div></div></div></div></div></=
div></div></div></div></div></div></div></div></div></div></div></div></div=
></div></div></div></div></div></div></div></div></div></div></div></div></=
div></div></div></div></div></div></div></div></div></div></div><div style=
=3D"font-size: 12pt;" data-mce-style=3D"font-size: 12pt;"><br></div></div><=
/div><div style=3D"font-size: 12pt;" data-mce-style=3D"font-size: 12pt;"><b=
r></div></div></div></div></div></div></div></div></div></div></div></div><=
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v></div></div></div></div></div></div></div></div></div></div></div></div><=
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v></div></div></div></div></div></div></div></div></div></div></div></div><=
/div></div></div></div></div></div></div></div></div></div></div></div></di=
v></div></div></div></div></div></div></div></div></div></div></div></div><=
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v></div></div></div></div></div></div></div></div></div></div></div></div><=
/div></div></div></div></div></div></div></div></body></html>
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