Nonlinear modification of quantum mechanics

In order to prevent “unavoidable” break-down of the “peaceful coexistence” between foundations of quantum theory and relativity I propose a new type of a quantum gauge theory (superrelativity). This differs from ordinary gauge theories in the sense that the affine connection of this theory is constructed from first derivatives of the Fubini-Study metric tensor in the projective Hilbert space of the pure quantum states CP(N). That is we have not merely analogy with general relativity but this construction should presumably provide a unification of general relativity and quantum theory. PACS numbers: 03.65 Bz, 03.65 Ca, 03.65 Pm