P orce e<chr_var letter="s" var="long">∫</chr_var>t droiz <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> ie m<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr> uoi<chr_var letter="s" var="long">∫</chr_var>e. 