Sacramento, P.; Li, Y.; Gu, S.; Carmelo, J.. - In: The European Physical Journal B - Condensed Matter and … 86 (2013) 12, pp. 1-14
We calculate real-space static correlation functions of spin and charge degrees of freedom of the one-dimensional Hubbard model that are described by operators related to singly occupied sites with spin up or spin down (spinons) and unoccupied or doubly occupied sites (η-spinons). The spatial...