Английская Википедия:Anupam Mazumdar
Шаблон:Short description Шаблон:Infobox scientist
Anupam Mazumdar is a theoretical physicist at the University of Groningen[1] specializing in cosmology and quantum gravity.
Together with Sougato Bose, Mazumdar has proposed a bonafide test for the existence of the graviton in a table-top experiment, via witnessing gravitationally-mediated entanglement between two macroscopic superpositions of masses.[2] A positive test of this phenomenon would establish experimentally that gravity is quantum mechanical in nature, and establish the existence of the graviton.[3] The test crucially depends on the quantum nature of gravity, creating non-classical states of matter, and local operation and quantum communication (LOQC).[4]
He has previously been affiliated to the Higgs Centre, at the University of Edinburgh,[5] and the Discovery Center at the Niels Bohr Institute, Copenhagen.[6]
His work has focused on multi field theories of inflation, such as assisted inflation,[7] visible sector inflation such as MSSM inflation.[8] He has worked on the ghost-free and singularity-free construction of infinite derivative theories of gravity,[9] which can potentially resolve the Schwarzschild singularity for mini black holes, yielding a non-singular compact object without event horizon, and cosmological singularities. He has also conjectured with Koshelev that astrophysical black hole has no curvature singularity and devoid of an event horizon,[10] in infinite derivative theories of gravity, because the scale of non-locality in gravitational interaction can engulf the gravitational radius of the compact object. At time scales and at distances below the effective scale of non-locality the gravitational interaction weakens sufficiently enough that a finite pressure from normal matter satisfying null, strong and weak energy conditions can avoid forming blackhole with event horizon and cosmological singularities.
References
- ↑ Шаблон:Cite web
- ↑ Sougato Bose, Anupam Mazumdar, Gavin Morley (et.al),(Phys. Rev. Lett. 119, no. 24, 240401 (2017) doi:10.1103/PhysRevLett.119.240401, `Spin Entanglement Witness for Quantum Gravity,' American Physical Society
- ↑ Шаблон:Cite journal
- ↑ Ryan J. Marshman, Anupam Mazumdar, and Sougato Bose, (Phys.Rev.A 101 (2020) 5, 052110) doi:10.1103/PhysRevA.101.052110,'Locality and entanglement in table-top testing of the quantum nature of linearized gravity'American Physical Society
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Andrew R. Liddle, Anupam Mazumdar, and Franz E. Schunck (26 August 1998) "Assisted inflation". American Physical Society
- ↑ Rouzbeh Allahverdi, Kari Enqvist, Juan Garcia-Bellido, and Anupam Mazumdar (9 November 2006). "Gauge-invariant inflaton in the minimal supersymmetric standard model". American Physical Society
- ↑ Tirthabir Biswas, Erik Gerwick, Tomi Koivisto, and Anupam Mazumdar (19 January 2012). "Towards Singularity- and Ghost-Free Theories of Gravity". American Physical Society
- ↑ Alexey Koshelev and Anupam Mazumdar (31 October 2017)massive compact objects without event horizon exist in infinite derivative gravity?Шаблон:Dead link American Physical Society
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