Two-fold anisotropic superconducting state in topological superconductor Sn4Au M. M. Sharma, Ganesh Gurjar, S. Patnaik and V. P. S. Awana EPL, 142 2 (2023) 26004 Published online: 19 April 2023 DOI: 10.1209/0295-5075/acc8f5