aspuru-list May 2010

aspuru-list@lists.fas.harvard.edu

20 participants
48 discussions

[Aspuru-Guzik group list] [iic-colloquium] The IIC video archive: Please nominate the most memorable talks

by Rosalind Reid

Dear Friends, As the IIC Seminars/IIC Colloquium series comes to an end, I'm working with the Harvard School of Engineering and Applied Sciences to capture the most memorable and timeless IIC talks in a video archive. Since 2005, most IIC talks have been recorded. This project will re- encode and compress the video for improved streaming and give it a longer-term home. We wish to select those talks that have the most lasting value. I'm writing to seek your input. Please review the record of IIC events at http://iic.harvard.edu/events/all and let me know what talks you would nominate for the video archive. Also, please let me know whether you download and listen to audio talks and would request that we offer audio files. I'll send a link to the archive once it's established. Thanks for your thoughts and your contributions to the seminar program as a speaker or listener. Rosalind Reid Director, Initiative in Innovative Computing iic.harvard.edu _______________________________________________ iic-colloquium mailing list iic-colloquium(a)seas.harvard.edu https://lists.deas.harvard.edu/mailman/listinfo/iic-colloquium

13 years, 12 months

[Aspuru-Guzik group list] [iic-colloquium] Reminder of Wednesday colloquium: "Computational Thinking" with Jeannette Wing

by Rosalind Reid

A reminder that the final IIC Colloquium will be presented tomorrow by Jeannette Wing of the National Science Foundation. *********************** Computational Thinking May 5, 2010, 4:00 pm Room G-115, Maxwell Dworkin, 33 Oxford Street, Cambridge Jeannette M. Wing, Assistant Director for Computer & Information Science and Engineering, National Science Foundation, and President’s Professor of Computer Science, Carnegie Mellon University Abstract My vision for the 21st century: Computational thinking will be a fundamental skill used by everyone in the world. To reading, writing, and arithmetic, we should add computational thinking to every child’s analytical ability. Computational thinking involves solving problems, designing systems and understanding human behavior by drawing on the concepts fundamental to computer science. Thinking like a computer scientist means more than being able to program a computer. It requires the ability to abstract and thus to think at multiple levels of abstraction. In this talk I will give many examples of computational thinking, argue that it has already influenced other disciplines, and promote the idea that teaching computational thinking can not only inspire future generations to enter the field of computer science but benefit people in all fields. About the Speaker Jeannette M. Wing has headed the National Science Foundation's Computer & Information Science and Engineering Directorate since 2007. She is also President's Professor of Computer Science at Carnegie Mellon University, where she was named chair of the Computer Science Department in 2004. Wing is an alumna of the Massachusetts Institute of Technology, where she earned bachelor's and master's degrees in electrical engineering and computer science in 1979, and a doctorate in computer science in 1983. She began her career as an assistant professor at the University of Southern California and joined the Carnegie Mellon faculty in 1985. She has worked or consulted for AT&T Bell Laboratories, Xerox Palo Alto Research Laboratories, Digital Equipment Corp., USC/Information Sciences Institute, the Jet Propulsion Laboratory and Microsoft Corp. Wing is the author or co-author of more than 100 refereed publications and has presented more than 200 talks before academic, corporate and government audiences. She has been or is on the editorial boards of nine scientific journals, including the Journal of the Association for Computing Machinery (ACM). She is a member of the National Academies of Sciences' Computer Science and Telecommunications Board and Microsoft's Trustworthy Computing Academic Advisory Board. She is an elected member-at-large on the ACM Council. __________ Refreshments served at 3:45 pm_______________________________________________ iic-colloquium mailing list iic-colloquium(a)seas.harvard.edu https://lists.deas.harvard.edu/mailman/listinfo/iic-colloquium

13 years, 12 months

[Aspuru-Guzik group list] Fwd: excitonics meeting tomorrow

by Alejandro Perdomo

Dear group, For those of you interested in learning the basics of nonlinear optics and nonlinear response functions, I will be giving a tutorial tomorrow. See the title and abstract below. Cheers, -A ---------- Forwarded message ---------- From: Masoud Mohseni <mohseni(a)mit.edu> Date: Mon, May 3, 2010 at 5:58 PM Subject: excitonics meeting tomorrow To: excitonics(a)chem-quantum.info Cc: Alejandro Perdomo <aleperd(a)gmail.com> Dear All, We have a excitonics meeting tomorrow noon at the usual place. Alejandro from Aspuru-Guzik group will give a talk with the following abstract. Yours, Masoud Title: Introduction to nonlinear optical experiments (12-1 pm, MIT 26-201) Speaker: Alejandro Perdomo-Ortiz Abstract: Nonlinear optics experiments are valuable techniques for unveiling the dynamics of complex systems. These techniques have been used in the past to study excitonic coherences in photosynthetic systems and in general to study relaxation and dissipation processes in mesoscopic systems. In this tutorial, I aim to explain from "square 1", the theoretical principles involved in the experimental design of these nonlinear optics techniques; I will focus on the derivation of the non-linear response functions and the information one can obtain from them. Additionally, we will work out in detail the construction of the double-sided Feynman diagrams representing the different contributions to the signals. Finally, I will show recent research results which reinforce the topic of this talk: a clear understanding of the construction of these double-sided diagrams is required to provide the correct interpretation of experimental results. -- ************************************************************* Dr. Masoud Mohseni, Postdoctoral Fellow, MIT Center for Excitonics, Research Laboratory of Electronics 77 Massachusetts Ave., Cambridge, MA, 02139, USA Room 26-359 Phone/Fax: 617-253-7811 / 617-258-7864 Email: mohseni(a)mit.edu ************************************************************************** -- Alejandro Perdomo-Ortiz Ph.D. Candidate in Chemical Physics. Harvard University 12 Oxford St #482, Cambridge, MA, 02138. perdomo(a)fas.harvard.edu

13 years, 12 months

[Aspuru-Guzik group list] Fwd: GPU enabled matlab

by Alan Aspuru-Guzik

Alán Aspuru-Guzik | Assistant Professor Harvard University | Department of Chemistry and Chemical Biology 12 Oxford Street, Room M113 | Cambridge, MA 02138 (617)-384-8188 | http://aspuru.chem.harvard.edu ---------- Forwarded message ---------- From: Dutta, Suvendra N. <suvendra_dutta(a)harvard.edu> Date: Mon, May 3, 2010 at 4:09 PM Subject: GPU enabled matlab To: Hanspeter Pfister <pfister(a)seas.harvard.edu>, "Alan Aspuru-Guzik @ aspuru.com" <alan(a)aspuru.com>, Lincoln Greenhill <greenhill(a)cfa.harvard.edu> Dear CDI faculty, I've installed GPU enabled Matlab (beta) on orgoglio. I don't know if this is of interest to your groups. The beta is time limited to around end of May (presumably that is when they will release it). If there is any interest then I can show the users how to run this matlab. Thanks very much. Suvendra.

13 years, 12 months

[Aspuru-Guzik group list] [qip] Tuesday

by Edward Farhi

Dear Quanta We will meet on Tuesday May 4 at 11:00 in 6-310. We have at least 2 twenty minute presentations. Maybe more. Eddie ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Edward Farhi Cecil and Ida Green Professor of Physics Director Center for Theoretical Physics Massachusetts Institute of Technology 6-300 Cambridge MA 02139 617 253 4871 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: _______________________________________________ qip mailing list qip(a)mit.edu http://mailman.mit.edu/mailman/listinfo/qip

13 years, 12 months

[Aspuru-Guzik group list] REMINDER: May 4, 2010 - Prof. Silvija Gradečak

by rtavilla＠rle.mit.edu

Center for Excitonics Seminar Series Announcement The Center for Excitonics is an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science and Office of Basic Energy Sciences The Center for Excitonics invites you to join us at the next seminar of the Spring 2010 series. Please forward this information on to others who might be interested in attending this and other center seminars. Title: Semiconductor nanowires: from LEDs to Solar Cells Presenter: Silvija Gradečak Organization: Laboratory for Nanophotonics and electronics Massachusetts Institute of Technology Date: May 4, 2010 Time: 3:00 - 4:00pm Place: Haus Room 36-428 Center URL: http://www.rle.mit.edu/excitonics Seminar URL: http://www.rle.mit.edu/excitonics/gradecak-050410.html Abstract Nanostructured materials – including nanowires, nanotubes, and nanocrystals – have unique and size-tunable properties that depend on the precise arrangement of their atomic constituents. These nanomaterials offer solutions to some of the current challenges in science and engineering, and could potentially lead to improved understanding of the physical world and to discoveries of new phenomena. However, functionality of novel nanomaterials and their impact on society will be ultimately dictated by our understanding and ability to precisely control their structural properties, size uniformity, and dopant distribution at the atomic level. In this talk, I will discuss the growth, doping, and applications of III-V nanowires and nanowire heterostructures using metalorganic chemical vapor deposition, as well as advanced electron microscopy techniques for direct correlation of structural and physical properties with high spatial resolution. We have demonstrated that the cathodoluminescence (CL) technique, coupled with scanning transmission electron microscopy (STEM), effectively bypasses the resolution limit of conventional far-field photoluminescence spectroscopy and allows direct structure-property correlation on the nanoscale. The CL-STEM optical studies of single nanowire heterostructures with spatial resolution of <20 nm will be discussed. Finally, applications of semiconductor nanowires for LED and solar cell applications will be described. Bio Silvija Gradečak is an Assistant Professor of Materials Science and Engineering at MIT. She received her Dipl. Ing. degree in Physics from University of Zagreb, Croatia, in 1999 and her PhD in Physics from EPFL, Switzerland, in 2003. Following two years of postdoctoral research at Harvard University with Prof. Charles Lieber, Gradečak joined the faculty at MIT in 2006. Prof. Gradečak’s group at MIT uses interdisciplinary approach to study semiconductor materials and low-dimensional systems. She held the Merton C. Flemings Career Development Chair and is a recipient of the NSF CAREER Award and 3M Innovation Award.

13 years, 12 months

[Aspuru-Guzik group list] Public service announcement

by Ivan Kassal

For those of you who haven't heard about our "catastrophe": http://www.mwra.com/

14 years

[Aspuru-Guzik group list] Prof. Devarajan Thirumalai visit on May 4

by Roberto Olivares-Amaya

Dear Aspuru-Guzik Group Members: As some of you know, Prof. Devarajan Thirumalai ( http://chemlife.umd.edu/facultyresearch/facultydirectory/devarajanthirumalai) is visiting Harvard next Tuesday afternoon (May 4th) as part of the theoretical chemistry lecture series. Prof. Thirumalai's group focuses on various problems in equilibrium and non equilibrium statistical mechanics including phase transititions and insights of folding landscapes of proteins and RNA from single molecule studies. There are still some time slots open if you are interested in talking to him, if you are interested. Please let me know, Roberto -- Roberto Olivares-Amaya Aspuru-Guzik Group Dept. of Chemistry and Chemical Biology Harvard University http://aspuru.chem.harvard.edu -- Roberto Olivares-Amaya Aspuru-Guzik Group Dept. of Chemistry and Chemical Biology Harvard University http://aspuru.chem.harvard.edu

14 years

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aspuru-list May 2010