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Topic: Bloch wall


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  Encyclopedia :: encyclopedia : Bloch wave   (Site not responding. Last check: 2007-09-30)
A Bloch wave or Bloch state is the wavefunction of a particle (usually, an electron) placed in a periodic potential.
A corollary of this result is that the Bloch wavevector k is a conserved quantity in a crystalline system (modulo addition of reciprocal lattice vectors), and hence the group velocity of the wave is conserved.
The concept of the Bloch state was developed by Felix Bloch in 1928, to describe the conduction of electrons in crystalline solids.
www.hallencyclopedia.com /Bloch_wave   (563 words)

  
 DISPOSITION OF GERMAN SAUCER TECHNOLOGY AFTER THE WAR   (Site not responding. Last check: 2007-09-30)
The wall has a finite thickness of a few hundred lattice constants, as it isenergetically preferable for the spin directions to change slowlyfrom one orientation to another, going through the wall ratherthan to have an abrupt discontinuity" (18).
In electromagnetics the Bloch Wall is external to the hardwareitself.
The Bloch Wall may generate radio, radar and other electromagnet frequencies but what is most interesting is that it is actually able to radiate gravity as according to Dr. Richard Lefores Clark.
missilegate.com /rfz/schappellerchapter4b.htm   (7356 words)

  
 Ferromagnetism
Rather, they organize into domains that are aligned (magnetized) at short range, but at long range adjacent domains are anti-aligned.
The transition between two domains, where the magnetization flips, is called a Bloch wall, and is a gradual transition on the atomic scale (covering a distance of about 300 ions for iron).
Thus, an ordinary piece of iron generally has little or no net magnetic moment.
www.nebulasearch.com /encyclopedia/article/Ferromagnetism.html   (967 words)

  
 Uncle Bear   (Site not responding. Last check: 2007-09-30)
Many writers have contributed to it, including Robert E. Howard, Robert Bloch, Brian Lumley, and Stephen King.
This book is the first major attempt in many years to provide a comprehensive guide to H.P. Lovecraft's Cthulhu Mythos.
I have a character that I love playing, but logical character development (based on the plot, the character, all of those things having nothing to do with dice) doesn't support any established class as a logical advancement path.
unclebear.com /archives.php?id=A2003121   (3600 words)

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