Zobrazeno 1 - 10
of 124
pro vyhledávání: '"Wasim Raja A"'
The phenomenon of Anderson localization in various disordered media has sustained significant interest over many decades. Specifically, the Anderson localization of phonons has been viewed as a potential mechanism for creating fascinating thermal tra
Externí odkaz:
http://arxiv.org/abs/2411.10643
Autor:
Ho, Wai-Ga D., Mondal, Wasim Raja, Terletska, Hanna, Tam, Ka-Ming, Karabin, Mariia, Eisenbach, Markus, Wang, Yang, Dobrosavljevic, Vladimir
High entropy alloys present a new class of disordered metals which hold promising prospects for the next generation of materials and technology. However, much of the basic physics underlying these robust, multifunctional materials -- and those of oth
Externí odkaz:
http://arxiv.org/abs/2311.14463
Autor:
Viswanathan Ramasamy, M. Durairaj, Syed Arfath Ahmed, A. Wasim Raja, Anurag Aeron, B. Muthukumar
Publikováno v:
Measurement: Sensors, Vol 33, Iss , Pp 101183- (2024)
This paper presents a novel algorithmic framework to enhance unmanned aerial vehicle (UAV) communication performance through the adaptive integration of optical sensor data. The framework features a dynamic sensor integration algorithm (DSIA) that op
Externí odkaz:
https://doaj.org/article/c77c3f53d82445b182646d2e148595d2
Autor:
Ghosh, Kuntal, Wasim Raja, Mir
Publikováno v:
In Chemical Engineering Journal 15 January 2024 480
Publikováno v:
Bulletin of Materials Science, BOMS-D-20-00161R1, 2020
We investigate the effect of spatially correlated disorder on the Anderson transition of phonons in three dimensions using a Greens function based approach, namely, the typical medium dynamical cluster approximation (TMDCA), in mass-disordered system
Externí odkaz:
http://arxiv.org/abs/2010.00068
Autor:
Mondal, Wasim Raja, Evlyukhin, Egor, Howard, Sebastian A., Paez, Galo J., Paik, Hanjong, Schlom, Darrell G., Piper, Louis F J, Lee, Wei-Cheng
Publikováno v:
Phys. Rev. B 103, 214107 (2021)
We investigate the vibrational properties of VO2, particularly the low temperature M1 phase by first-principles calculations using the density functional theory as well as Raman spectroscopy. We perform the structural optimization using SCAN meta-GGA
Externí odkaz:
http://arxiv.org/abs/2008.08725
Publikováno v:
Phys. Rev. B 99, 134203, 2019
We report the development and application of a new method for carrying out computational investigations of the effects of mass and force-constant (FC) disorder on phonon spectra. The method is based on the recently developed typical medium dynamical
Externí odkaz:
http://arxiv.org/abs/1904.05324
Autor:
Akash Anumarlapudi, Dougal Dobie, David L. Kaplan, Tara Murphy, Assaf Horesh, Emil Lenc, Laura Driessen, Stefan W. Duchesne, Hannah Dykaar, B. M. Gaensler, Timothy J. Galvin, Joe Grundy, George Heald, Aidan W. Hotan, Minh Huynh, James K. Leung, David McConnell, Vanessa A. Moss, Joshua Pritchard, Wasim Raja, Kovi Rose, Gregory Sivakoff, Yuanming Wang, Ziteng Wang, Mark H. Wieringa, Matthew T. Whiting
Publikováno v:
The Astrophysical Journal, Vol 974, Iss 2, p 241 (2024)
Late-time (∼a year) radio follow-up of optically discovered tidal disruption events (TDEs) is increasingly resulting in detections at radio wavelengths, and there is growing evidence for this late-time radio activity to be common to the broad class
Externí odkaz:
https://doaj.org/article/7cea9307ed3e4ae5b26af5d81dc9c2b9
Publikováno v:
Physical Review B 96.1 (2017): 014203
The effect of disorder on lattice vibrational modes has been a topic of interest for several decades. In this work, we employ a Green's function based approach, namely the dynamical cluster approximation (DCA), to investigate phonons in mass disorder
Externí odkaz:
http://arxiv.org/abs/1806.00282
Autor:
Dasari, Nagamalleswararao, Mondal, Wasim Raja, Zhang, Peng, Moreno, Juana, Jarrell, Mark, Vidhyadhiraja, N. S.
Publikováno v:
Eur. Phys. J. B (2016) 89: 202
Perturbative schemes utilizing a spectral moment expansion are well known and extensively used for investigating the physics of model Hamiltonians and real material systems. The advantages they offer, in terms of being computationally inexpensive, wi
Externí odkaz:
http://arxiv.org/abs/1504.04097