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We present a scheme improving the minimum-mode following method for findingfirst order saddle points by confining the displacements of atoms to the subsetof those subject to the largest force. By doing so it is ensured that thedisplacement remains of a local character within regions where all eigenvaluesof the Hessian matrix are positive. However, as soon as a region is enteredwhere an eigenvalue turns negative all atoms are released to maintain theability of determining concerted moves. Applying the proposed scheme reducesthe required number of force calls for the determination of connected saddlepoints by a factor two or more compared to a free search. Furthermore, a widerdistribution of the relevant low barrier saddle points is obtained. Finally,the dependency on the initial distortion and the applied maximal step size isreduced making minimum-mode guided searches both more robust and applicable.

Bowl breakout, escaping the positive region when searching for saddle points