Anupam Garg

Anupam Garg is a professor in the department of Physics & Astronomy at Northwestern University, Illinois. He received his Ph.D. in 1983 from Cornell University. In 2012, he became a Fellow of the American Physical Society (APS) thanks to his work on molecular magnetism and macroscopic quantum phenomena.

Anupam Garg
Alma mater
Known forLeggett–Garg inequality
Scientific career
FieldsPhysics
InstitutionsNorthwestern University
Doctoral advisorN. David Mermin[1]

Garg is best known for formulating the Leggett–Garg inequality, named for Anthony James Leggett and himself, which is a mathematical inequality fulfilled by all macrorealistic physical theories.[2] He is also known for the Garg-Onuchic-Ambegaokar model of charge transfer. [3] In addition, he discovered the phenomenon of topological quenching of the tunnel splitting in a toy Hamiltonian for spin tunneling, [4] that was subsequently found experimentally in the magnetic molecule Fe8. [5] His current research interests center around coherent state path integrals, especially as they pertain to quantum and semi-classical phenomena associated with the orientation of quantum mechanical spin.

Garg is the author of a graduate physics textbook, Classical Electromagnetism in a Nutshell,[6] and an undergraduate text, Mathematics with a Scientific Sensibility. [7]

References
  1. "Anupam Garg". Physics Tree.
  2. Leggett, A. J.; Garg, Anupam (1985-03-04). "Quantum mechanics versus macroscopic realism: Is the flux there when nobody looks?" (PDF). Physical Review Letters. American Physical Society (APS). 54 (9): 857–860. Bibcode:1985PhRvL..54..857L. doi:10.1103/physrevlett.54.857. ISSN 0031-9007. PMID 10031639.
  3. Garg, Anupam; Onuchic, José Nelson; Ambegaokar, Vinay (1985). "Effect of friction on electron transfer in biomolecules". The Journal of Chemical Physics. AIP Publishing. 83 (9): 4491–4503. Bibcode:1985JChPh..83.4491G. doi:10.1063/1.449017. ISSN 0021-9606.
  4. Garg, Anupam (1993). "Topologically quenched tunnel splitting in spin systems without Kramers' degeneracy". Europhysics Letters. IOP Publishing. 22 (3): 205–210. doi:10.1209/0295-5075/22/3/008.
  5. Wernesdorfer, Wolfgang; Sessoli, Roberta (1999). "Quantum Phase Interference and Parity Effects in Magnetic Molecular Clusters". Science. 284: 133.
  6. Princeton University Press (2012).
  7. "Mathematics with a Scientific Sensibility".


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