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Anisotropic charge carrier transport in black phosphorus limited by ionized impurity scattering at finite temperature is explored theoretically. The anisotropic electronic structure enters the calculation for the polarizability (screening),…

Mesoscale and Nanoscale Physics · Physics 2017-05-03 Yue Liu , P. Paul Ruden

We have analytically investigated the effects of non-linearity on the free energy and thermodynamic geometry of holographic superconductors in $2+1 -$dimensions. The non-linear effect is introduced by considering the coupling of the massive…

High Energy Physics - Theory · Physics 2017-07-11 Debabrata Ghorai , Sunandan Gangopadhyay

We present a computation of Cu K-edge resonant inelastic x-ray scattering (RIXS) spectra for electron-doped cuprates which includes coupling to bosonic fluctuations. Comparison with experiment over a wide range of energy and momentum…

Strongly Correlated Electrons · Physics 2012-02-09 Susmita Basak , Tanmoy Das , Hsin Lin , M. Z. Hasan , R. S. Markiewicz , A. Bansil

We study the effects of Kohn anomalies on the superconducting properties in electron- and hole-doped cases of monolayer blue phosphorene, considering both adiabatic and non-adiabatic phonon dispersions using first-principles calculations.…

Superconductivity · Physics 2022-10-05 Mohammad Alidoosti , Davoud Nasr Esfahani , Reza Asgari

Nuclear excitation cross section of $^{229}$Th from the ground state to the low-lying isomeric state via inelastic electron scattering is calculated, on the level of Dirac distorted wave Born approximation. With electron energies below 100…

Nuclear Theory · Physics 2022-07-19 Hanxu Zhang , Wu Wang , Xu Wang

We report on the non-adiabatic offset of the initial electron momentum distribution in the plane of polarization upon single ionization of argon by strong field tunneling and show how to experimentally control the degree of…

Physical properties of anisotropic superconductors like the critical temperature and others depend sensitively on the electron mean free path. The sensitivity to impurity scattering and the resulting anomalies are considered a…

Superconductivity · Physics 2016-08-15 M. L. Kulić , O. V. Dolgov

We have studied the critical behaviour of a doped Mott insulator near the metal-insulator transition for the infinite-dimensional Hubbard model using a linearized form of dynamical mean-field theory. The discontinuity in the chemical…

Strongly Correlated Electrons · Physics 2009-11-07 Y. Ono , R. Bulla , A. C. Hewson , M. Potthoff

We examine time-resolved X-ray diffraction from molecules in the gas phase which undergo nonadiabatic avoided-crossing dynamics involving strongly coupled electrons and nuclei. Several contributions to the signal are identified,…

Chemical Physics · Physics 2017-05-30 Markus Kowalewski , Kochise Bennett , Shaul Mukamel

We develop a unified treatment of the non-Abelian Aharonov-Bohm (AB) effect in isotropic multiband systems, namely, the scattering of particles on a gauge field corresponding to a noncommutative Lie group. We present a complex contour…

Quantum Physics · Physics 2023-07-04 Róbert Németh , József Cserti

In this work, we study the scattering of a spinless charged particle constrained to move on a curved surface in the presence of the Aharonov-Bohm potential. We begin with the equations of motion for the surface and transverse dynamics…

The interaction between electronic and vibrational degrees of freedom is an important mechanism in nonequilibrium charge transport through molecular nanojunctions. While adiabatic polaron-type coupling has been studied in great detail, new…

Mesoscale and Nanoscale Physics · Physics 2022-06-10 Christoph Kaspar , André Erpenbeck , Jakob Bätge , Christian Schinabeck , Michael Thoss

Nonadiabatic coupling between electrons and molecular motion at metal surfaces leads to energy dissipation and dynamical steering effects during chemical surface dynamics. We present a theoretical approach to the scattering of molecules…

We describe very fast electron dynamics for a graphene nanoribbon driven by a control electromagnetic field in the terahertz regime. The mobility as a function of bias possesses a large threshold value when entering a nonlinear transport…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Danhong Huang , Godfrey Gumbs , O. Roslyak

We report the effect of adipic acid (C6H10O4) doping on lattice parameters, microstructure, critical temperature (Tc), current density (Jc), and irreversibility field (Hirr) for MgB2 superconductor. Actual carbon (C) substitution level for…

Superconductivity · Physics 2012-01-25 Arpita Vajpayee , V. P. S. Awana , G. L. Bhalla , A. K. Nigam , H. Kishan

We propose and study theoretically a new mechanism of electron-impurity scattering in doped seminconductors with large dielectric constant. It is based upon the idea of \textit{vector} character of deformations caused in the crystalline…

Mesoscale and Nanoscale Physics · Physics 2022-09-26 Khachatur G. Nazaryan , Mikhail Feigel'man

We report low-temperature transport measurements of three-terminal T-shaped device patterned from GaAs/AlGaAs heterostructure. We demonstrate the mode branching and bend resistance effects predicted by numerical modeling for linear…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 J. Wrobel , P. Zagrajek , M. Czapkiewicz , M. Bek , D. Sztenkiel , K. Fronc , R. Hey , K. H. Ploog , B. R. Bulka

We study the particle-hole asymmetry of the scattering rate in strongly correlated electron systems by examining the cubic $\omega^3$ and $\omega T^2$ terms in the imaginary part of the self-energy of the Anderson impurity model. We show…

Strongly Correlated Electrons · Physics 2018-11-07 R. Zitko , H. R. Krishnamurthy , B. Sriram Shastry

Co$_3$Sn$_2$S$_2$ is believed to be a magnetic Weyl semimetal. It displays large anomalous Hall, Nernst and thermal Hall effects with a remarkably large anomalous Hall angle. Here, we present a comprehensive study of how substituting Co by…

Strongly Correlated Electrons · Physics 2023-11-28 Jie Liu , Linchao Ding , Liangcai Xu , Xiaokang Li , Kamran Behnia , Zengwei Zhu

We report on nonlinear transport measurements in a two-dimensional electron gas hosted in GaAs/AlGaAs heterostructures. Upon application of direct current, the low-temperature differential resistivity acquires a positive correction, which…

Mesoscale and Nanoscale Physics · Physics 2017-09-01 O. E. Raichev , A. T. Hatke , M. A. Zudov , J. L. Reno