aspuru-list October 2013

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[Aspuru-Guzik group list] Food In Division Room

by Thomas Markovich

There's sandwiches and stuff in the division room. Eat it.

10 years, 6 months

[Aspuru-Guzik group list] MIT Spectroscopy Seminar - Tony Heinz (Oct 22)

by Catherine M Bourgeois

Please post and forward to your groups Modern Optics and Spectroscopy Seminar Series Seeing electrons in two dimensions Tony F. Heinz, Columbia University Tuesday, October 22, 2013 12:00 - 1:00 p.m. Grier Room, MIT Bldg. 34-401 The past few years have witnessed a surge of activity in the study of graphene and, more recently, in other atomically thin two-dimensional materials. We will describe some the reasons for the intense interest in these new material systems, highlighting their unusual electronic properties. We will show how we can use light to probe the distinctive properties electrons in model 2-D materials such as graphene and transition metal dichalcogenides. We will discuss the basics of light-matter interactions in these 2-D materials, as well as signatures of electron-electron and electron-phonon interactions in both spectral and femtosecond time-domain measurements. Refreshments served after the lecture

10 years, 6 months

[Aspuru-Guzik group list] Ivan Deutsch Seminar today at 2pm

by Cynthia M. Chew

Dear Group, Just a friendly reminder that Prof. Ivan Deutsch's seminar is today at 2pm in Pfizer. You are all encouraged to attend! Title: “Quantum Control and Measurement of Spins in Ultracold Atomic Gases" Abstract: Spins are natural carriers of quantum information given their long coherence times and the decades-long development of quantum control tools for spins on platforms ranging from liquid-state NMR, to gaseous atomic clocks, to solid-state spintronics. In this talk I will present recent developments in extending these tools to control and measurement of atomic spin in ultracold atomic gases. New paradigms include quantum control of internal hyperfine spin in high dimensional Hilbert spaces, tomography via continuous measurement polarization spectroscopy, and collective spin squeezing mediated by the atom-photon entangling interactions. The integration of internal and collective spin control opens the door to new possibilities for enhancing the atom-light interface with applications including metrology, quantum communication networks, and quantum computation. Best, Cynthia Cynthia M. Chew Faculty Assistant | Aspuru-Guzik Research Group Department of Chemistry and Chemical Biology | Harvard University 12 Oxford Street | Mallinckrodt 112 | Cambridge, MA 02138 617.496.1716 office | 617.496.9411 fax http://aspuru.chem.harvard.edu/

10 years, 6 months

[Aspuru-Guzik group list] Join us for lunch today with Ivan Deutsch

by Felipe Herrera

Hi everyone, There are still spots left for lunch today at noon in the Division Room with the today's CCB/ITAMP seminar speaker Ivan Deutsch. If you want to join us, please reply to let me know. Cheers, Felipe

10 years, 6 months

Re: [Aspuru-Guzik group list] [qip] CS theory talks of interest

by Henry Yuen

On Wednesday at 1pm there will be a TCS+ viewing in room 32-G531 (Stata Center) to watch Nikhil's Srivastava's talk -- feel free to come! Cheers, Henry On Mon, Oct 21, 2013 at 7:56 AM, aram harrow <aram(a)mit.edu> wrote: > Dear quanta, > > There are a few CS theory talks this week that might be of interest to us. > > 1. Tomorrow at 4:15pm in 32-G449, Yael Kalai is speaking about secure > delegated computation, and its connection to interactive proofs with > multiple provers that are allowed non-signaling correlations. Here > is the link: > http://toc.csail.mit.edu/node/368 > She is also speaking this Friday afternoon at MSR about the same > topic, but you should instead attend Daniel Nagaj's QIP seminar during > that time. > > 2. Wed at 1pm Nikhil Srivavasta will speak about his proof of the > Kadison-Singer conjecture. It was originally proposed for reasons > related to quantum foundations and also is reminiscent of the some of > the things we do with random matrices. > The talk is online at: > https://sites.google.com/site/plustcs/ > > aram > _______________________________________________ > qip mailing list > qip(a)mit.edu > http://mailman.mit.edu/mailman/listinfo/qip > _______________________________________________ qip mailing list qip(a)mit.edu http://mailman.mit.edu/mailman/listinfo/qip

10 years, 6 months

[Aspuru-Guzik group list] [qip] Friday

by Edward Farhi

Hi Quanta We will meet on tomorrow (Friday) at 11:00 in our usual spot. Matthias Troyer will join us. At 1:30 Sean Hallgren is speaking in our quantum seminar series. Best, 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

10 years, 6 months

[Aspuru-Guzik group list] Meeting with Prof. Baroni

by Xavier Andrade

Hi all, Next week Prof. Stefano Baroni will visit Harvard as part of the Theo Chem seminars ( http://stefano.baroni.me/welcome.html ), I case you haven't heard of him, he has made very important contributions in DFT, in particular in the area of density functional perturbation theory (DFTP) and TDDFT. The information of his talk is included below, I think his current research should be of interest for many people in the group. Please let me know if you are interested in meeting with and/or going for lunch with him. Xavier Speaker: Prof. Stefano Baroni Scuola Internazionale Superiore di Studi Avanzati Trieste, Italy Title: Ab initio colors Time: October 23, 4:00 to 6:00 PM Location: MIT room 4-163 Abstract: I will present some recent work addressing the effects of the solvent (water) on the optical properties of natural dyes. I will break the ice with a short presentation of the physics and physiology of color vision, in the style of popular science. I will then introduce some of the theoretical and computational techniques that are currently being used to model the optical properties of complex molecular systems and nano- structured materials, based on time-dependent density-functional perturbation theory. These techniques will be demonstrated with the “prediction” that grass is green, and applied to the optical properties of flavylium, the die that gives aubergines and blueberries their typical deep-purple coloration, as well as of other anthocyanins. I will show that the main effect of the solvent is to provide a medium allowing thermal fluctuations to fill the gaps that would otherwise characterize the spectrum of the dye at low temperature, thus considerably enhancing optical absorption in the visible range, and making blueberries (deep) blue. The uncertainties due to the inadequacies of current energy functionals will be discussed, along with the prospects of predicting and engineering the color optical properties of anthocyanins in solution.

10 years, 6 months

[Aspuru-Guzik group list] [IACS-events] Upcoming IACS Seminars: Save the dates!

by Hastings, Meg

We had a fantastic turnout for Dmitri "Mitya" Chklovskii's talk last week. Please mark your calendars for the final three IACS seminars of the fall semester: October 25, 2013 Mercè Crosas, Director of Data Science, Institute for Quantitative Social Science, Harvard 10 Simple Rules for the Care and Feeding of Scientific Data November 8, 2013 Ben Vigoda, Director, Analog Devices Lyric Labs Probabilistic Programming and Probability Processing November 22, 2013 Hugo Larochelle, Assistant Professor of Computer Science, Universite de Sherbrooke, Canada Deep Learning for Distribution Estimation Abstracts for upcoming talks are available on our website: http://iacs.seas.harvard.edu/iacs-seminars Kind regards, Meg Hastings Interim Executive Director, Institute for Applied Computational Science Harvard School of Engineering and Applied Sciences 52 Oxford Street, Northwest B165 Cambridge, MA 02138 http://iacs.seas.harvard.edu/ hastings(a)seas.harvard.edu | 617-384-9091 _______________________________________________ Iacs-events mailing list Iacs-events(a)seas.harvard.edu https://lists.seas.harvard.edu/mailman/listinfo/iacs-events

10 years, 6 months

[Aspuru-Guzik group list] Excitonics Seminar - Jeremy Baumberg- TODAY , 3-4 PM, 36-428

by Catherine M Bourgeois

Please post and forward to your group. Thanks. _________________________________ Center for Excitonics Seminar Series Thursday, Oct 17, 2013 3:00 - 4:00 PM RLE HAUS and ALLEN rooms: 36-428 Microcavity Polaritonics: Optically-Steering Interacting Quantum Liquids on a Chip Jeremy Baumberg, Department of Physics, NanoPhotonics Centre, University of Cambridge, UK Abstract: Constructing ultra-high finesse semiconductor microcavities produces quasiparticles called exciton polaritons which can Bose condense even up to room temperature. The resulting macroscopic quantum states are directly visible and allow superflows to be imaged. Spontaneous oscillations, self-organised vortex lattices, and geometrical phase transitions are all part of the rich phenomena observed. Recent references: [1] Nature Physics 8, 190 (2012); G. Tosi et al., "Sculpting oscillators with light within a nonlinear quantum fluid" [2] Nature Communications 3, 1243 (2012); G. Tosi et. al., "Geometrically locked vortex lattices in semiconductor quantum fluids" [3] Science 336, 704 (2012); P. Cristofolini et al., "Coupling Quantum Tunneling with Cavity Photons" [4] Phys.Rev.Lett. (2013); P. Cristofolini et al., "Optical superfluid phase transitions and trapping of polariton condensates Prof. Jeremy J. Baumberg FRS, directs a UK Nano-Photonics Centre at the University of Cambridge and has extensive experience in developing optical materials structured on the nano-scale that can be assembled in large volume. He is also Director of the Cambridge Nano Doctoral Training Centre, a key UK site for training PhD students in interdisciplinary Nano research. Strong experience with Hitachi, IBM, his own spin-offs Mesophotonics and Base4, as well as strong industrial engagement give him a unique position to combine academic insight with industry application in a two-way flow. With over 10000 citations, he is a leading innovator in Nano. This has led to awards of the IoP Young Medal (2013), Royal Society Mullard Prize (2005), the IoP Charles Vernon Boys Medal (2000) and the IoP Mott Lectureship (2005). He frequently talks on NanoScience to the media, and is a strategic advisor on NanoTechnology to the UK Research Councils. He is a Fellow of the Royal Society, the Optical Society of America, the Institute of Physics, and the Institute of NanoTechnology. [see np.phy.cam.ac.uk] Light refreshments will be served. 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

10 years, 6 months

[Aspuru-Guzik group list] Fwd: Ivan Deutsch seminar on Monday Oct 21 at 2 pm in Pfizer. Lunch at Noon.

by Felipe Herrera Urbina

Hi everyone, Thanks to those who replied to the lunch invitation this Monday. So far I have Sarah, Thomas and Gian in the list. Tomorrow morning I will advertise to the other two theory groups to see who else is interested in the three spots remaining. Best, Felipe ---------- Forwarded message ---------- From: Felipe Herrera <faherreraur(a)gmail.com> Date: Wed, Oct 16, 2013 at 5:38 PM Subject: Re: [Aspuru-Guzik group list] Ivan Deutsch seminar on Monday Oct 21 at 2 pm in Pfizer. Lunch at Noon. To: sarah mostame <sarah.mostame(a)gmail.com> Hi Sarah, You are all set for lunch. Thanks for the reply. Felipe On 10/16/2013 05:05 PM, sarah mostame wrote: Hi Felipe, I would like to join you for lunch. Best, sarah ------ Sarah Mostame, Ph.D. Department of Chemistry and Chemical Biology Harvard University 12 Oxford Street, Room M104 Cambridge, MA 02138 email: mostame(a)fas.harvard.edu http://aspuru.chem.harvard.edu/sarah-mostame/ On Wed, Oct 16, 2013 at 4:39 PM, Felipe Herrera <faherreraur(a)gmail.com>wrote: > Dear Group, > > This Monday 21, Prof. Ivan Deutsch from the University of New Mexico > will give a seminar at 2 pm in Pfizer. Below are the title and abstract > of the talk. > > We will have a catered lunch with Prof. Deutsch at noon on Monday and > there is room for six students or postdocs to join us. These slots > include Heller and Shaknovich's groups members, so please reply to this > email as soon as you can to secure a spot. > > Best, > > Felipe > > Title: “Quantum Control and Measurement of Spins in Ultracold Atomic Gases" > > Abstract: > > Spins are natural carriers of quantum information given their long > coherence times and the decades-long development of quantum control > tools for spins on platforms ranging from liquid-state NMR, to gaseous > atomic clocks, to solid-state spintronics. In this talk I will present > recent developments in extending these tools to control and measurement > of atomic spin in ultracold atomic gases. New paradigms include quantum > control of internal hyperfine spin in high dimensional Hilbert spaces, > tomography via continuous measurement polarization spectroscopy, and > collective spin squeezing mediated by the atom-photon entangling > interactions. The integration of internal and collective spin control > opens the door to new possibilities for enhancing the atom-light > interface with applications including metrology, quantum communication > networks, and quantum computation. > > _____________________________________________ > Aspuru-list mailing list > Aspuru-list(a)lists.fas.harvard.edu > https://lists.fas.harvard.edu/mailman/listinfo/aspuru-list >

10 years, 6 months

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aspuru-list October 2013