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  • Bounding the boundless: constraining topological Gauss-Bonnet coupling from GW150914 
    Chakravarti, Kabir; Ghosh, Rajes; Sarkar, Sudipta (Cornell University Library, 2022-01)
    Recent gravitational wave observation based on the data from GW150914 has firmly confirmed Hawking's area theorem and estimated the increase in total horizon area during a merger process of two Kerr black holes. We use ...
  • Signature of non-uniform area quantization on black hole echoes 
    Chakravarti, Kabir; Ghosh, Rajes; Sarkar, Sudipta (Cornell University, 2021-12)
    A classical black hole is characterized by a horizon that absorbs radiation of all frequencies incident on it. Perturbation of these black holes is well-understood via exponentially damped sinusoids known as quasi-normal ...
  • Signature of non-uniform area quantization on gravitational waves 
    Chakravarti, Kabir; Ghosh, Rajes; Sarkar, Sudipta (Cornell University Library, 2021-08)
    Quantum aspects of black holes may have observational imprints on their absorption and emission spectrum. In this work, we consider the possibility of non-uniform area quantization and its effects on the phasing of ...

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