Density Matrix Renormalization Group (DMRG) and its extensions in the form of Product States (MPS) are arguably choice for study one dimensional quantum systems last three decades. However, due to limited entanglement encoded wave-function ansatz, maintain accuracy DMRG with increase system size two systems, exponentially increased resources required, which limits applicability only narrow syst...

We revisit and extend the calculation of density matrix entanglement entropy a color glass condensate (CGC) by including leading saturation corrections in calculation. show that is diagonal quasiparticle basis, where it has Boltzmann form. The quasiparticles wide interval momenta behave as massless two-dimensional bosons with temperature proportional to typical semihard scale $T={Q}_{s}/\sqrt{{...