Adiabatic exponent in isentropic convective zone: A heavy elements abundance and seismic inversion

Details Adiabatic exponent in isentropic convective zone: A heavy elements abundance and seismic inversion Adiabatic exponent in isentropic convective zone: A heavy elements abundance and seismic inversion

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jphcs.271a2036b&link_type=abstract

Journal of Physics: Conference Series, Volume 271, Issue 1, pp. 012036 (2011).

Physics

Scientific paper

Profile of adiabatic exponent along isentropic curve is considered in context of determination of the CO and Ne contents in the solar convective zone. Tiny variations of the adiabatic exponent are caused by ionizations of elements. Isolated ionization stage leads to a narrow gap of the adiabatic exponent. Position of the gap depends on the ionization potentials and partition function of ions, which are essential parts of an equation of state. With the extended version of SAHA-S EOS we are able to study traces of elements in the adiabatic exponent profile. We give preliminary estimations on the abundance according to the inverted profile of the adiabatic exponent. Results do not reveal an indication of low-Z abundances in the adiabatic part of the convection zone.

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