Some new exact critical-point amplitudes
Chamati, H. · Danchev, D. M. · Tonchev, N. S.
Original · EN
The scaling properties of the free energy and some of universal amplitudes of a group of models belonging to the universality class of the quantum nonlinear sigma model and the O(n) quantum ϕ⁴ model in the limit n→ ∞ as well as the quantum spherical model, with nearest-neighbor and long-range interactions (decreasing at long distances r as 1/rᵈ⁺σ) is presented.
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