18 Jun
2007
18 Jun
'07
1:21 p.m.
Hi, I would like to know if it is possible to implement within ALPS hamiltonians with imaginary terms like: H=-i*Sum_{<i,j>} ( K_{ij}*[b(i)*bdag(j)-bdag(i)*b(j)]) (b and bdag are the usual creation/annihilation operators, K_{ij} is a parameter and i is the complex unit, i^2=-1) Thanks in advance. J. Vijande University of Valencia.