def Flink(n, Tb, Tc):
    """
    Link factor for the bolo to the bath

    Args:
    n (float): thermal carrier index
    Tb (float): bath temperature [K]
    Tc (float): transition temperature [K]
    """
    return (((n + 1)/(2 * n + 3)) * (1 - (Tb / Tc)**(2 * n + 3)) /
            (1 - (Tb / Tc)**(n + 1)))