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Hemanta Kumar Kundu on Muck Rack

Hemanta Kumar Kundu

As seen in: Nature, Physical Review B, Physical Review Letters
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Articles

Physical Review Letters

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By J. -J. Dong, P. -Y. Chen, Sourav Biswas, Hemanta Kumar Kundu
| Physical Review Letters
On the Cover Confocal image of a flexible 5x5 lattice of colloids functionalized with two complementary strands of DNA linkers, indicated by two different colors. From the article: Soft and Stiff Normal Modes in Floppy Colloidal Square Lattices Julio Melio, Silke E. Henkes, and Daniela J. Kraft Phys. Rev. Lett. 132, 078202 (2024)
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Anomalous Aharonov-Bohm Interference in the Presence of Edge Reconstruction

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By Sourav Biswas, Hemanta Kumar Kundu, Rajarshi Bhattacharyya, Vladimir Umansky
| Physical Review B
Interferometry is a vital tool for studying fundamental features in the quantum Hall effect. For instance, Aharonov-Bohm interference in a quantum Hall interferometer can probe the wave-particle duality of electrons and quasiparticles. Here, we report an unusual Aharonov-Bohm interference of the outermost edge mode in a quantum Hall Fabry-Pérot interferometer, whose Coulomb interactions were suppressed with a grounded drain in the interior bulk of the interferometer.
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Electron Pairing of Interfering Interface-Based Edge Modes

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By Sourav Biswas, Hemanta Kumar Kundu, Vladimir Umansky, Moty Heiblum
| Physical Review B
The remarkable Cooper-like pairing phenomenon in the Aharonov-Bohm interference of a Fabry-Perot interferometer—operating in the integer quantum Hall regime—remains baffling. Here, we report the interference of paired electrons employing “interface edge modes.” These modes are born at the interface between the bulk of the Fabry-Perot interferometer and an outer gated region tuned to a lower filling factor.
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