Strong coupling particle spaces

In fact, in strong coupling one should consider the true n-particle states instead of simple product states as assumed in the text. This leads to an increase of phonon phase space, which however aflects the 2, 3, and 4 particle states in similar ways. Note chat in diis case, the low spin states would be considered, and Jahn-Teller interactions thus give rise to a negative Hund s rule coupling. 

X. Systems With a Strong Coupling of the One- and n-Particle Spaces... 

X. SYSTEMS WITH A STRONG COUPLING OF THE ONE- AND n-PARTICLE SPACES... 

In the solid Earth, production of nucleogenic Ne is coupled to that of radiogenic " He. This is because production of Ne is directly proportional to the a-particle production ratio from the uranium and thorium series. The Ne/ He production ratio is constant and has been estimated at a value of 4.5 X 10 (Yatsevich and Honda, 1997). In this way, if the Earth accreted with solar helium and neon and initial ratios were modified by production of Ne and " He in a fixed proportion then the present-day He/ He and Ne/ Ne ratios in the mantle should be correlated. Honda et al. (1993) noted a strong correlation between OIB helium and neon isotopes such that steeper trajectories in three-isotope neon space were characterized by samples with high He/ He ratios. Indeed, they showed that it was possible to estimate the He/ He ratio of a suite of OIBs based solely on measurements of the neon isotope composition. 

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