tau

SDef syten::TDVP::GSEConf::tau = NAN

parameter in operator (1-i*tau*H) for norm conservation - initialized in TDVO ctor

Referenced by syten::MPS::TDVP::Worker::gse_build_krylov_vectors(), syten::MPS::TDVP::PTDVP< enable >::PTDVP(), and serialize().