Observation of non-Hermitian topology and its bulk–edge correspondence in an active mechanical metamaterial A Ghatak, M Brandenbourger, J Van Wezel, C Coulais Proceedings of the National Academy of Sciences 117 (47), 29561-29568, 2020 | 344 | 2020 |

New topological invariants in non-Hermitian systems A Ghatak, T Das Journal of Physics: Condensed Matter 31 (26), 263001, 2019 | 314 | 2019 |

Theory of superconductivity with non-Hermitian and parity-time reversal symmetric Cooper pairing symmetry A Ghatak, T Das Physical Review B 97 (1), 014512, 2018 | 62 | 2018 |

Observation of non-Hermitian topology and its bulk-edge correspondence A Ghatak, M Brandenbourger, J van Wezel, C Coulais arXiv preprint arXiv:1907.11619, 2019 | 53 | 2019 |

Spectral singularity and reflectionlessness in non-Hermitian (complex) Ginocchio potential A Ghatak, JA Nathan, BP Mandal, Z Ahmed Journal of Physics A: Mathematical and Theoretical 45 (46), 465305, 2012 | 22 | 2012 |

Various scattering properties of a new PT-symmetric non-Hermitian potential A Ghatak, RDR Mandal, BP Mandal Annals of Physics 336, 540-552, 2013 | 21 | 2013 |

Entangled quantum state discrimination using a pseudo-Hermitian system A Ghatak, BP Mandal Journal of Physics A: Mathematical and Theoretical 45 (35), 355301, 2012 | 16 | 2012 |

PT phase transition in a (2+ 1)-d relativistic system BP Mandal, BK Mourya, K Ali, A Ghatak Annals of Physics 363, 185-193, 2015 | 15 | 2015 |

Critical coupling and coherent perfect absorption for ranges of energies due to a complex gain and loss symmetric system M Hasan, A Ghatak, BP Mandal Annals of Physics 344, 17-28, 2014 | 13 | 2014 |

Comparison of different approaches of finding the positive definite metric in pseudo-Hermitian theories A Ghatak, BP Mandal Communications in Theoretical Physics 59 (5), 533, 2013 | 11 | 2013 |

A black potential for spin less particles A Ghatak, M Hasan, BP Mandal Physics Letters A 379 (20-21), 1326-1336, 2015 | 9 | 2015 |

Photoinduced SU (3) topological material of spinless fermions S Ray, A Ghatak, T Das Physical Review B 95 (16), 165425, 2017 | 8 | 2017 |

-symmetric model of immune response CM Bender, A Ghatak, M Gianfreda Journal of Physics A: Mathematical and Theoretical 50 (3), 035601, 2016 | 8 | 2016 |

Hartman-Fletcher effect for array of complex barriers A Ghatak, M Hasan, BP Mandal arXiv preprint arXiv:1505.03163, 2015 | 4 | 2015 |

Reciprocity in parity violating non-Hermitian systems A Ghatak, BK Mourya, RDR Mandal, BP Mandal International Journal of Theoretical Physics 54, 3945-3953, 2015 | 3 | 2015 |

Spectral singularity and non-Hermitian PT-symmetric extension of an AN− 1-type Calogero model without confining potential BP Mandal, A Ghatak Journal of Physics A: Mathematical and Theoretical 45 (44), 444022, 2012 | 2 | 2012 |

Non-abelian Berry gauge field and topological invariant in parity-time symmetric Non-Hermitian spin-1/2 quantum systems A Ghatak, T Das arXiv preprint arXiv:1907.07333, 0 | 1 | |

Active and robotic materials: from self-amplified waves to self-sustained deformations M Brandenbourger, C Scheibner, J Veenstra, A Ghatak, T Zheng, ... APS March Meeting Abstracts 2022, G20. 012, 2022 | | 2022 |

Open and closed boundary correspondence in non-reciprocal metamaterials A Ghatak, C Coulais, J Van Wezel APS March Meeting Abstracts 2021, R46. 014, 2021 | | 2021 |

CPT invariant topological phase in non-Hermitian spin-1/2 quantum systems T Das, A Ghatak Bulletin of the American Physical Society 65, 2020 | | 2020 |