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Unconventional Superconductivity Mediated by Nematic Fluctuations in a Multi-Orbital System -- Application to doped FeSe

Autor: Islam, Kazi Ranjibul, Chubukov, Andrey

We analyze superconductivity in a multi-orbital fermionic system near the onset of a nematic order, using doped FeSe as an example. We associate nematicity with a spontaneous polarization between $d_{\text{xz}}$ and $d_{\text{yz}}$ orbitals (a Pomera

Externí odkaz: http://arxiv.org/abs/2412.07008

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A Scalable Game-theoretic Approach to Urban Evacuation Routing and Scheduling

Autor: Islam, Kazi Ashik, Chen, Da Qi, Marathe, Madhav, Mortveit, Henning, Swarup, Samarth, Vullikanti, Anil

Evacuation planning is an essential part of disaster management where the goal is to relocate people under imminent danger to safety. However, finding jointly optimal evacuation routes and schedule that minimizes the average evacuation time or evacua

Externí odkaz: http://arxiv.org/abs/2401.04371

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Unconventional Superconductivity near a Nematic Instability in a Multi-Orbital system

Autor: Islam, Kazi Ranjibul, Chubukov, Andrey

We analyze superconductivity in a multi-orbital fermionic system near the onset of a nematic order, using doped FeSe as an example. We associate the nematic order with spontaneous polarization between $d_{xz}$ and $d_{yz}$ orbitals. We derive the pai

Externí odkaz: http://arxiv.org/abs/2310.17728

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Emergent room-temperature ferroelectricity in spark-plasma sintered DyCrO$_3$ and LaCrO$_3$

Autor: Mishra, Suryakanta, Keerthana, Rudrapal, Krishna, Jana, Biswajit, Islam, Kazi Parvez, Sagdeo, Archna, Chaudhuri, Ayan Roy, Adyam, Venimadhav, Choudhury, Debraj

Publikováno v: Phys. Rev. B 107, 214104 (2023)

Identification of novel multiferroic materials with high-ordering temperatures remains at the forefront of condensed matter physics research. In this regard, the antiferromagnetic RCrO$_3$ compounds (like GdCrO$_3$) constitute a promising class of mu

Externí odkaz: http://arxiv.org/abs/2305.11546

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Generic deformation channels for critical Fermi surfaces in the collisionless regime

Autor: Islam, Kazi Ranjibul, Mandal, Ipsita

Publikováno v: Annals of Physics 457, 169409 (2023)

Using a quantum Boltzmann equation framework, we analyse the nature of generic low-energy deformations of a critical Fermi surface, which exists at the non-Fermi liquid fixed point of a system consisting of fermions interacting with massless bosons.

Externí odkaz: http://arxiv.org/abs/2304.04720

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Simulation-Assisted Optimization for Large-Scale Evacuation Planning with Congestion-Dependent Delays

Autor: Islam, Kazi Ashik, Chen, Da Qi, Marathe, Madhav, Mortveit, Henning, Swarup, Samarth, Vullikanti, Anil

Evacuation planning is a crucial part of disaster management. However, joint optimization of its two essential components, routing and scheduling, with objectives such as minimizing average evacuation time or evacuation completion time, is a computat

Externí odkaz: http://arxiv.org/abs/2209.01535

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