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Universal correlation between H-linear magnetoresistance and T-linear resistivity in high-temperature superconductors.
Nat Commun
September 2024
H. H. Wills Physics Laboratory, University of Bristol, Bristol, UK.
The signature feature of the 'strange metal' state of high-T cuprates-its linear-in-temperature resistivity-has a coefficient α that correlates with T, as expected were α derived from scattering off the same bosonic fluctuations that mediate pairing. Recently, an anomalous linear-in-field magnetoresistance (=γH) has also been observed, but only over a narrow doping range, leaving its relation to the strange metal state and to the superconductivity unclear. Here, we report in-plane magnetoresistance measurements on three hole-doped cuprate families spanning a wide range of temperatures, magnetic field strengths and doping.
View Article and Find Full Text PDFCatching and killing of airborne SARS-CoV-2 to control spread of COVID-19 by a heated air disinfection system.
Mater Today Phys
December 2020
Department of Physics and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, TX 77204, USA.
Airborne transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) air-conditioning systems poses a significant threat for the continued escalation of the current coronavirus disease (COVID-19) pandemic. Considering that SARS-CoV-2 cannot tolerate temperatures above 70 °C, here we designed and fabricated efficient filters based on heated nickel (Ni) foam to catch and kill SARS-CoV-2. Virus test results revealed that 99.
View Article and Find Full Text PDFDetecting quantum critical points in the t-[Formula: see text] Fermi-Hubbard model via complex network theory.
Sci Rep
November 2020
Institute for Molecules and Materials, Radboud University, 6525AJ Nijmegen, The Netherlands.
A considerable success in phenomenological description of [Formula: see text] superconductors has been achieved within the paradigm of Quantum Critical Point (QCP)-a parental state of a variety of exotic phases that is characterized by dense entanglement and absence of well-defined quasiparticles. However, the microscopic origin of the critical regime in real materials remains an open question. On the other hand, there is a popular view that a single-band t-[Formula: see text] Hubbard model is the minimal model to catch the main relevant physics of superconducting compounds.
View Article and Find Full Text PDFCurrent Review on Synthesis, Composites and Multifunctional Properties of Graphene.
Top Curr Chem (Cham)
March 2019
ICS, B.Z.U. Multan, Multan, Punjab, 60000, Pakistan.
A material that can serve in almost every field of human life at very low cost with high results is no other than "graphene". The multifunctional properties of graphene have made it a very interesting topic of research among researchers. Since its discovery in the last decade of the last century, scientists continue to disclose the amazing properties of graphene day by day.
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