11 Result(s)
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Md. Shafayat Hossain
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Article
Boundary modes of a charge density wave state in a topological material
Charge density waves appear in numerous condensed matter platforms ranging from high-temperature superconductors to quantum Hall systems. Despite such ubiquity, there has been a lack of direct experimental stu...
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Article
Quantum transport response of topological hinge modes
Electronic topological phases are typified by the conducting surface states that exist on the boundary of an insulating three-dimensional bulk. While the transport response of the two-dimensional surface state...
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Article
A hybrid topological quantum state in an elemental solid
Topology1–3 and interactions are foundational concepts in the modern understanding of quantum matter. Their nexus yields three important research directions: (1) the competition between distinct interactions, as ...
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Article
Cryogenic memory technologies
Cryogenic data storage technology is of use in superconducting single-flux quantum electronics and quantum computing. However, the lack of compatible cryogenic memory technology, which can operate at temperatu...
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Article
Open AccessImaging real-space flat band localization in kagome magnet FeSn
Kagome lattices host flat bands due to their frustrated lattice geometry, which leads to destructive quantum interference of electron wave functions. Here, we report imaging of the kagome flat band localizatio...
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Article
Open AccessTunable unconventional kagome superconductivity in charge ordered RbV3Sb5 and KV3Sb5
Unconventional superconductors often feature competing orders, small superfluid density, and nodal electronic pairing. While unusual superconductivity has been proposed in the kagome metals AV3Sb5, key spectrosco...
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Chapter and Conference Paper
A Deep Reinforcement Learning Framework for Reducing Energy Consumption of Server Cooling System
Data Centers consume a tremendous amount of energy for cooling the servers. The cooling system of a data center consumes around 40–55% of the total energy consumption. Thus, it is required to reduce the energy...
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Article
Evidence of a room-temperature quantum spin Hall edge state in a higher-order topological insulator
Room-temperature realization of macroscopic quantum phases is one of the major pursuits in fundamental physics1,2. The quantum spin Hall phase3–6 is a topological quantum phase that features a two-dimensional ins...
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Article
Unconventional chiral charge order in kagome superconductor KV3Sb5
Intertwining quantum order and non-trivial topology is at the frontier of condensed matter physics1–4. A charge-density-wave-like order with orbital currents has been proposed for achieving the quantum anomalous ...
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Article
Open AccessA non-volatile cryogenic random-access memory based on the quantum anomalous Hall effect
The interplay between ferromagnetism and topological properties of electronic band structures leads to a precise quantization of Hall resistance without any external magnetic field. This so-called quantum anom...
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Article
Bloch ferromagnetism of composite fermions
In 1929, Felix Bloch suggested that the paramagnetic Fermi sea of electrons should make a spontaneous transition to a fully magnetized state at very low densities, because the exchange energy gained by alignin...
