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magnetic monopole

Dimulai oleh Karno Giyantono, September 04, 2009, 10:21:40 PM

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Karno Giyantono

 Magnetic monopole: apakah akhirnya ditemukan ?
Friday, 4 September, 2009 19:43
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Baru membaca di Science (via Symmetry Magazine) bahwa sekelompok fisikawan di Helmholtz-Zentrum Berlin für Materialien und Energie mengumumkan bahwa mereka telah mengamati keberadaan magnetic monopole.

[pranala luar disembunyikan, sila masuk atau daftar.] [pranala luar disembunyikan, sila masuk atau daftar.] releases/ 2009/09/09090316 3725.htm
[pranala luar disembunyikan, sila masuk atau daftar.] .com/cws/ article/news/ 40302 (Physics World)
[pranala luar disembunyikan, sila masuk atau daftar.]. com/news/ 2009/090903/ full/news. 2009.881. html (Nature)
[pranala luar disembunyikan, sila masuk atau daftar.]. org/abs/0908. 3568v2

Detailnya cukup banyak dan belum saya baca semua, kalau ada yang sudah sempat membaca dan bisa menjelaskan, terima kasih banyak.

Haryo
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ksatriabajuhitam

wew, magnetic monopole, bahasan tingkat tinggi nih :P
nyimak dulu deh :kribo:

nih ada cuplikan lain dari tante wiki (lumayan update juga ternyata nih tante :P )
Kutip
In a paper published in Science in September 2009, researchers Jonathan Morris and Alan Tennant from the Helmholtz-Zentrum Berlin für Materialien und Energie (HZB) along with colleages from Dresden University of Technology, St. Andrews, La Plata, and Oxford University describe the observation of quasiparticles resembling monopoles. A single crystal of dysprosium titanate in a highly frustrated pyrochlore lattice (F d -3 m) was cooled to 0.6 to 2 K. Using neutron scattering, the magnetic moments were shown to align in the spin ice into interwoven tube-like bundles resembling a Dirac strings. At the defect formed by the end of each tube, the magnetic field looks like that of a monopole. Using an applied magnetic field to break the symmetry of the system, the researchers were able to control the density and orientation of these strings. A contribution to the heat capacity of the system from an effective gas of these quasiparticles is also described.[19][20]
[19] [pranala luar disembunyikan, sila masuk atau daftar.]
[20] [pranala luar disembunyikan, sila masuk atau daftar.]
katanya sih baru monopole quasiparticle, bukan monopole particle.
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