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Re: Superfluidity in topologically nontrivial flat bands

From dvus <dven1@adelphia.net>
Newsgroups sci.physics
Subject Re: Superfluidity in topologically nontrivial flat bands
Date 2015-11-20 15:20 -0500
Message-ID <db9dluFbeauU1@mid.individual.net> (permalink)
References <ANmdneMIQplD39LLnZ2dnUU7-Y_OydjZ@giganews.com>

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On 11/20/2015 10:57 AM, Sam Wormley wrote:
> Superfluidity in topologically nontrivial flat bands
>> http://phys.org/news/2015-11-superfluidity-topologically-nontrivial-flat-bands.html
>>
>
>
>> Superconductors are marvellous materials that are able to transport
>> electric current and energy without dissipation. For this reason,
>> they are extremely useful for constructing magnets that can generate
>> enormous magnetic fields without melting. They have found important
>> applications as essential components of the Large Hadron Collider
>> particle accelerator at CERN, levitating trains, and the magnetic
>> resonance imaging tool widely used for medical purposes. Yet, one
>> reason why the waiting list for an MRI scan is sometimes so long is
>> the cost of the equipment. Indeed, superconductors have to be cooled
>> down below one hundred degrees centigrade to manifest their unique
>> properties, and this implies the use of expensive refrigerators.
>>
>> An important open problem in modern materials science is to
>> understand the mechanism behind superconductivity, and in particular,
>> it would be highly desirable to be able to predict with precision the
>> critical temperature below which the superconducting transition
>> occurs. In fact, there are no currently available theories that can
>> provide accurate predictions for the critical temperature of the most
>> useful superconductive materials. This is unfortunate since a sound
>> understanding of the mechanism of superconductivity is essential if
>> we are interested in synthesizing materials that may one day achieve
>> superconductivity at room temperature, without refrigeration.

"Indeed, superconductors have to be cooled down below one hundred 
degrees centigrade to manifest their unique properties..."

Time for tea?

-- 
dvus

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Thread

Superfluidity in topologically nontrivial flat bands Sam Wormley <swormley1@gmail.com> - 2015-11-20 09:57 -0600
  Re: Superfluidity in topologically nontrivial flat bands dvus <dven1@adelphia.net> - 2015-11-20 15:20 -0500
    Re: Superfluidity in topologically nontrivial flat bands Wally W. <ww84wa@aim.com> - 2015-11-20 21:37 -0500
      Re: Superfluidity in topologically nontrivial flat bands Sam Wormley <swormley1@gmail.com> - 2015-11-20 21:08 -0600
        Re: Superfluidity in topologically nontrivial flat bands Wally W. <ww84wa@aim.com> - 2015-11-20 22:24 -0500
          Re: Superfluidity in topologically nontrivial flat bands benj <none@gmail.com> - 2015-11-21 04:59 -0500
          Re: Superfluidity in topologically nontrivial flat bands jimp@specsol.spam.sux.com - 2015-11-21 07:18 +0000
            Re: Superfluidity in topologically nontrivial flat bands dvus <dven1@adelphia.net> - 2015-11-21 09:10 -0500
        Re: Superfluidity in topologically nontrivial flat bands benj <none@gmail.com> - 2015-11-21 05:02 -0500

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