a neutron vortex line's strong magnetic field

http://www.ias.ac.in/jarch/jaa/16/207-216.pdf

In this paper is mentioned "a neutron vortex line's strong magnetic
field." The neutron vortex must be the vortexes that form in a
rotating superfluid, and the line is the axis of rotation of this
vortext. But how do they produce a magnetic field? I don't know much
about electromagnetism. I thought that magnetic fields were produced
by a charge moving in a magnetic field. Neutrons have no charge.
So... how does this work?

"Frisbieinstein" wrote in message
...
| http://www.ias.ac.in/jarch/jaa/16/207-216.pdf
|
| In this paper is mentioned "a neutron vortex line's strong magnetic
| field." The neutron vortex must be the vortexes

house, plural houses ---but ---
mouse, plural mice, not mouses.
vortex, plural vortices, not vortexes.

On 01/06/2011 12:37 AM, Frisbieinstein wrote:
http://www.ias.ac.in/jarch/jaa/16/207-216.pdf

In this paper is mentioned "a neutron vortex line's strong magnetic
field." The neutron vortex must be the vortexes that form in a
rotating superfluid, and the line is the axis of rotation of this
vortext. But how do they produce a magnetic field? I don't know much
about electromagnetism. I thought that magnetic fields were produced
by a charge moving in a magnetic field. Neutrons have no charge.
So... how does this work?

Neutrons do actually have charges that cancel each other out over large
distances but are measurable over very small distances (within few
multiples of the neutron radius). Think about what a neutron is made up
of: three quarks, two down quarks and one up quark. The down quarks each
have a charge of -1/3 of an electron, while the up quark has a +2/3 of
an electron. The two down quarks make up 2 out of 3 corners of the
neutron, while the up quark makes up the the third corner. So two
corners are negatively charged, while one corner is positively charged.
So the neutron will differential feel charges at short distances, which
will cause the neutron to start spinning due to a magnetic torque.

Neutrons by Ron Kurtus - Succeed in Understanding Physics: School for
Champions
http://www.school-for-champions.com/...e/neutrons.htm

Yousuf Khan

On Jun 1, 1:54*pm, Yousuf Khan wrote:
On 01/06/2011 12:37 AM, Frisbieinstein wrote:

http://www.ias.ac.in/jarch/jaa/16/207-216.pdf

In this paper is mentioned "a neutron vortex line's strong magnetic
field." * The neutron vortex must be the vortexes that form in a
rotating superfluid, and the line is the axis of rotation of this
vortext. *But how do they produce a magnetic field? *I don't know much
about electromagnetism. *I thought that magnetic fields were produced
by a charge moving in a magnetic field. *Neutrons have no charge.
So... how does this work?

Neutrons do actually have charges that cancel each other out over large
distances but are measurable over very small distances (within few
multiples of the neutron radius). Think about what a neutron is made up
of: three quarks, two down quarks and one up quark. The down quarks each
have a charge of -1/3 of an electron, while the up quark has a +2/3 of
an electron. The two down quarks make up 2 out of 3 corners of the
neutron, while the up quark makes up the the third corner. So two
corners are negatively charged, while one corner is positively charged.
So the neutron will differential feel charges at short distances, which
will cause the neutron to start spinning due to a magnetic torque.

Neutrons by Ron Kurtus - Succeed in Understanding Physics: School for
Championshttp://www.school-for-champions.com/science/neutrons.htm

* * * * Yousuf Khan

Thank you sir. That's exactly what I needed.

And from now on it's vortices.

Dear Frisbieinstein:

On May 31, 9:37*pm, Frisbieinstein wrote:
http://www.ias.ac.in/jarch/jaa/16/207-216.pdf

In this paper is mentioned "a neutron vortex line's
strong magnetic field." * The neutron vortex must
be the vortexes that form in a rotating superfluid,
and the line is the axis of rotation of this vortext.
*But how do they produce a magnetic field? *I don't
know much about electromagnetism. *I thought
that magnetic fields were produced by a charge
moving in a magnetic field.

No, magentic fields are produced by moving charges.

*Neutrons have no charge.
So... how does this work?

Since you didn't do any research since my last answer, I suspect this
will go over your head too. The thing that keeps a neutron star from
collpasing into a black hole is "neutron degeneracy pressure". This
is neutrons decaying back to protons and electrons, however briefly.
There is charge.

What is more, the surface of a neutron star is normal matter... iron
and such. That will present the necessary resistance to permit some
separation of charges.

David A. Smith

On 6/1/2011 9:52 AM, dlzc wrote:
Neutrons have no charge.
So... how does this work?

Since you didn't do any research since my last answer, I suspect this
will go over your head too. The thing that keeps a neutron star from
collpasing into a black hole is "neutron degeneracy pressure". This
is neutrons decaying back to protons and electrons, however briefly.
There is charge.

What is more, the surface of a neutron star is normal matter... iron
and such. That will present the necessary resistance to permit some
separation of charges.

David A. Smith

He's talking about just neutrons by themselves, like inside atoms, not
neutron stars.

Yousuf Khan

Dear Yousuf Khan:

On Jun 1, 1:23*pm, Yousuf Khan wrote:
On 6/1/2011 9:52 AM, dlzc wrote:

* Neutrons have no charge.
So... how does this work?

Since you didn't do any research since my last
answer, I suspect this will go over your head too.
*The thing that keeps a neutron star from
collpasing into a black hole is "neutron degeneracy
pressure". *This is neutrons decaying back to
protons and electrons, however briefly. There is
charge.

What is more, the surface of a neutron star is
normal matter... iron and such. *That will present
the necessary resistance to permit some
separation of charges.

He's talking about just neutrons by themselves, like
inside atoms, not neutron stars.

No he's not, he's referencing a paper on neutrons stars. That he did
not bother to do any research since he asked about neutron degeneracy
pressure, he may not be aware that neutron stars are not just
neutrons.

But maybe bringing it home a bit more will help.

David A. Smith

On 01/06/2011 4:40 PM, dlzc wrote:
On Jun 1, 1:23 pm, Yousuf wrote:
He's talking about just neutrons by themselves, like
inside atoms, not neutron stars.

No he's not, he's referencing a paper on neutrons stars. That he did
not bother to do any research since he asked about neutron degeneracy
pressure, he may not be aware that neutron stars are not just
neutrons.

But maybe bringing it home a bit more will help.

David A. Smith

Well, I gave him a link to the structure of just neutrons, and he seemed
to think it answered his question.

Yousuf Khan