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query about mustar [ μ*] 
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Joined: Thu Aug 03, 2017 1:23 pm
Posts: 30
University: panjab univ
Post query about mustar [ μ*]
Dear Roxana Margine,

While calculating superconducting transition temperature Tc, how do we give the value of mustar [ μ*].By ELIASHBERG-MIGDAL formalism.
It is usually said that it is kept between 0.15 and 0.10
But Can we go below 0.10 [μ*<0.10] ?

Thanks in advance.

regards
topgun


Fri Oct 19, 2018 8:48 am
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Joined: Fri Jan 22, 2016 6:48 pm
Posts: 109
University: SUNY-Binghamton
Post Re: query about mustar [ μ*]
Hi,

You can specify it in the input file as muc. The default value is 0. For most materials it is something between 0.1 and 0.2, but you can chose whatever value you want.

Best,
Roxana

_________________
Roxana Margine
Assistant Professor
Department of Physics, Applied Physics and Astronomy
Binghamton University, State University of New York
PO Box 6000
Binghamton, NY 13902-6000


Fri Oct 19, 2018 1:17 pm
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Joined: Thu Aug 03, 2017 1:23 pm
Posts: 30
University: panjab univ
Post Re: query about mustar [ μ*]
Dear roxana,

Thank you for the reply.
Are there experimental value of mustar [ μ*] for a material with which we can compare?
what should be the ideal criteria to take the input value of mustar [ μ*] for a material.
I work with ELK which have default value as 0.15.

topgun


Fri Oct 19, 2018 8:57 pm
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