BEGIN:VCALENDAR VERSION:2.0 PRODID:IEEE vTools.Events//EN CALSCALE:GREGORIAN BEGIN:VTIMEZONE TZID:America/New_York BEGIN:DAYLIGHT DTSTART:20260308T030000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 RRULE:FREQ=YEARLY;BYDAY=2SU;BYMONTH=3 TZNAME:EDT END:DAYLIGHT BEGIN:STANDARD DTSTART:20261101T010000 TZOFFSETFROM:-0400 TZOFFSETTO:-0500 RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=11 TZNAME:EST END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260418T231821Z UID:64571EB5-8CF3-4713-A38B-46E890049F10 DTSTART;TZID=America/New_York:20260424T100000 DTEND;TZID=America/New_York:20260424T113000 DESCRIPTION:In nano- and mesoscale systems\, defects and disorder play a fu ndamental role in determining material properties and device performance. Such defects and disorder often present themselves on the atomic or sub-na nometer scale\, while resulting transport length scales or device sizes ca n be orders of magnitude larger\, on the micron scale. To accurately quant ify and predict material properties or device performance in such situatio ns\, one often needs modeling and simulation tools that can bridge the siz e gap between atomic-scale defects and micron-scale systems. In this talk\ , I will present our group’s linear-scaling quantum transport tool\, cal led LSQUANT. Based on the Kubo transport formalism\, this tool combines ac curate tight-binding models with an efficient expansion of quantum operato rs to allow the simulation of transport in systems containing many million s of atoms. This enables an atomic description of defects and disorder whi le still resolving transport properties on the experimental scale. After a n introduction to the LSQUANT methodology\, I will present a few examples of its application to transport in graphene\, including spin and charge tr ansport in disordered single-layer graphene and graphene nanoribbons\, as well as approaches to optimize the performance of graphene photodetectors. Time permitting\, I will also discuss recent efforts to update the LSQUAN T methodology to study energy absorption and emission and the time-resolve d dynamics of systems driven out of equilibrium\, with an eye toward appli cations in photodetection\, sensing\, and optical communications.\n\nVirtu al: https://events.vtools.ieee.org/m/555927 LOCATION:Virtual: https://events.vtools.ieee.org/m/555927 ORGANIZER:ehyang@ieee.org SEQUENCE:9 SUMMARY:Numerical Simulation of Transport in Large-Area Disordered Material s URL;VALUE=URI:https://events.vtools.ieee.org/m/555927 X-ALT-DESC:Description: <br /><p><span style="font-size: 11.0pt\; font-fami ly: 'Calibri'\,sans-serif\; mso-fareast-font-family: Calibri\; mso-fareast -theme-font: minor-latin\; mso-bidi-font-family: 'Times New Roman'\; mso-a nsi-language: EN-US\; mso-fareast-language: EN-US\; mso-bidi-language: AR- SA\;">In nano- and mesoscale systems\, defects and disorder play a fundame ntal role in determining material properties and device performance. Such defects and disorder often present themselves on the atomic or sub-nanomet er scale\, while resulting transport length scales or device sizes can be orders of magnitude larger\, on the micron scale. To accurately quantify a nd predict material properties or device performance in such situations\, one often needs modeling and simulation tools that can bridge the size gap between atomic-scale defects and micron-scale systems. In this talk\, I w ill present our group&rsquo\;s linear-scaling quantum transport tool\, cal led LSQUANT. Based on the Kubo transport formalism\, this tool combines ac curate tight-binding models with an efficient expansion of quantum operato rs to allow the simulation of transport in systems containing many million s of atoms. This enables an atomic description of defects and disorder whi le still resolving transport properties on the experimental scale. After a n introduction to the LSQUANT methodology\, I will present a few examples of its application to transport in graphene\, including spin and charge tr ansport in disordered single-layer graphene and graphene nanoribbons\, as well as approaches to optimize the performance of graphene photodetectors. Time permitting\, I will also discuss recent efforts to update the LSQUAN T methodology to study energy absorption and emission and the time-resolve d dynamics of systems driven out of equilibrium\, with an eye toward appli cations in photodetection\, sensing\, and optical communications.</span></ p> END:VEVENT END:VCALENDAR