The critical properties of the 3D frustrated Heisenberg model on a layered triangular lattice are investigated by the Monte Carlo method. The theory of finite-size scaling is used to calculate the magnetic and chiral critical exponents of the specific heat (α), susceptibility (γ,γk), magnetization (β,βk), and correlation length (ν,νk). It is shown that the 3D frustrated Heisenberg model on a layered triangular lattice forms a new universality class of critical behavior.

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