Dear all,
The runners in #running on Slack already know but just to see if there are
any stragglers. Today is the last day to save 10 bucks for the registration
of the May 21 half/full marathon at Martha's Vineyard. We are in the
process of renting a house for the running group members (no significant
others, except a very few exceptions we made, contact me if you have one).
We will be crowded and sleeping on matresses (people will be bringing them)
but will be fun. We would be arriving the 20 and leaving the 22 in the
morning with as many cars as we can bring.
More info in the channel. Registration for the event is here:
http://www.marthasvineyardmarathon.com/http://www.active.com/oak-bluffs-ma/running/distance-running-races/martha-s…
The group will be covering the house.
The only risk we are running is if Siria and I cannot book the AirBNB
tomorrow. Today we could not do it because of the AWS services outage in
the east coast. If I can, I will do it tonight and if not Siria will try
tomorrow morning. That is the only risk in case we cannot find another
accomodation but I think we will be fine. If you worry about this risk,
register tomorrow for 10 dollars more once Siria and I sort out the
accomodation.
Cheers,
Alan
Alán Aspuru-Guzik | Professor of Chemistry and Chemical Biology
Harvard University | 12 Oxford Street, Room M138 | Cambridge, MA 02138
(617)-384-8188 | http://aspuru.chem.harvard.edu | http://about.me/aspuru
Please join us for a
Modern Optics and Spectroscopy Seminar
Tuesday, March 14 at 12pm in MIT 34-401 with lunch served immediately following the talk:
Prof. Daniel Neumark
University of California, Berkeley
"Attosecond Science in Atomic, Molecular, and Condensed Phase Physics"
The ability to generate isolated attosecond pulses based on table-top laser systems has opened up new frontiers in physics and chemistry. This talk will describe experimental advances and then present several examples, including attosecond transient absorption in atoms, molecules, and solid samples, and four-wave mixing experiments on atoms and molecules using attosecond and near-infrared pulses.
Hi AAG'ers,
Tomorrow is Professor Head-Gordon's theochem talk at MIT. He is one of the
emperors of electronic structure theory, so I encourage you to attend.
Details below! Cheers, Nicolas
*Some Advances In Density Functional Theory For Calculating And Analyzing
Chemical Interactions*
Wednesday 03/01/17 *4:15PM MIT Building 4*, Room 237
Prof Martin Head-Gordon
University of California, Berkeley
Density functional theory (DFT) is the most widely used electronic
structure theory. Crucial to its future is the problem of designing
functionals with improved predictive power. I shall describe a new approach
to functional design, “survival of the most transferable”, and show how the
resulting functionals offer unprecedented accuracy for DFT calculations of
intermolecular interactions. As a counterpoint to this vital numerical
development, I will discuss the challenge of obtaining physical insight
into DFT calculations of intermolecular and intra-molecular interactions.
We are aiming to meet this challenge with new energy decomposition analysis
(EDA) methods that variationally separate interactions associated with
frozen fragment electronic structure, from any spin-coupling, from induced
electrostatics, and forward and backwards charge transfer.
Hi everyone,
Just a reminder that we are going out to lunch at Santouka
<https://www.yelp.com/biz/hokkaido-ramen-santouka-cambridge-2> tomorrow.
Please meet in the CCB lobby around 11:40am so we can hopefully all get
seats at the same time.
If you would like to come to lunch but cannot make it at 11:40am, please
let me know if you haven't already and we will try to save an extra seat
for you.
Cheers,
Jennifer
Group Members,
Please note that the Quantum Subgroup Meeting originally scheduled on
Tuesday, March 7th has been moved to Thursday, March 16th 11-Noon.
Cheers,
Siria
--
*Siria Serrano*
*Faculty Assistant*
*Aspuru-Guzik Group*
*Harvard University **Department of Chemistry and Chemical Biology*
*12 Oxford St. M 136*
*Cambridge, MA 02138*
*P:** (617) 496-1716 <%28617%29%20496-1716>** F: **617-496-9411
<617-496-9411>*
Hello everyone,
We have a student in computational chemistry from Spain that would like to
visit the group and we wanted to ask if anybody is interested in being his
mentor during his stay (under ten weeks). He will be starting his PhD in
September at the University of Manchester.
If interested, please let me know.
Thanks,
Felix
*Felixander Negron*
*Laboratory Administrator *
*Aspuru-Guzik Group*
*Harvard University **Department of Chemistry and Chemical Biology*
*12 Oxford St. M 136*
*Cambridge, MA 02138*
*P:** (617) 496-9964** F: **617-496-9411*
Hello Boston's Excitonic Community -
Due to inclement weather conditions in early Feb, we have shifted the first
Boston Area Excitonics Seminar to *March 9th at 12 Oxford St, Division Room*.
Food will be served at 6:00 pm. Our speaker, Prof. Will Tisdale, will be
presenting on “Excitoncs, Disorder, and Nonequilibrium Transport in
Semiconductor Nanomaterials.”
If you plan to attend, please register here
<https://www.surveymonkey.com/r/MK9KBPQ> so that we have an accurate head
count for food. Please register again, even if you had registered for the
previous event. Feel free to forward this e-mail to any interested
colleagues.
We look forward to seeing you at the seminar!
Doran and Christoph
*Abstract *
In semiconductor nanomaterials, spatial confinement and structural
heterogeneity can present transport behavior that deviates markedly from
the bulk phase. Using a combination of ultrafast spectroscopy, timeresolved
optical microscopy, and kinetic Monte Carlo simulation, I will show how
these effects manifest in assemblies of colloidal quantum dots (QD) and
atomically thin two-dimensional semiconductors. As an area of emerging
focus in my group, I will highlight some of the intriguing and
counterintuitive aspects of exciton transport, annihilation, and
interfacial transfer in 2D materials.
*Doran I. G. Bennett*
Harvard University, Department of Chemistry
CIFAR Postdoctoral Fellow
Bio-inspired Light Harvesting Program
Everyone,
Northwestern Professor Elad Harel will be speaking at the CCB
Colloquium inside Pfizer today starting at 4:15. Alan encourages all group
members and in specific Excitonics Sub Group members to attend.
Cheers,
Siria
--
*Siria Serrano*
*Faculty Assistant*
*Aspuru-Guzik Group*
*Harvard University **Department of Chemistry and Chemical Biology*
*12 Oxford St. M 136*
*Cambridge, MA 02138*
*P:** (617) 496-1716 <%28617%29%20496-1716>** F: **617-496-9411
<617-496-9411>*
Dear Quanta Group,
This seminar may be of interest! Please let Janice Balzer (cc'd) or me know
if you'd like to meet with the speaker as well.
Best,
Dirk
---------- Forwarded message ---------
From: Janice L Balzer <balzer(a)mit.edu>
Date: Sat, Feb 25, 2017 at 11:24 AM
Subject: [OQE] OQE Seminar: Dr. Yi-Kai Liu, NIST -- Wednesday, March 1,
2017, 11:00 AM, Haus Room, 36-428
To: oqe <oqe(a)mit.edu>
[image: image001.png]
Dr. Yi-Kai Liu
National Institute of Standards and Technology (NIST)
Seminar: “Phase Retrieval Using Unitary 2-Designs, with Applications to
Quantum Process Tomography”
Wednesday, March 1, 2017
11:00 AM
Haus Room, 36-428
Hosted by: Prof. Dirk Englund
Abstract:
We consider a variant of the phase retrieval problem, where vectors are
replaced by unitary matrices, i.e., the unknown signal is a unitary matrix
U, and the measurements consist of squared inner products |Tr(C*U)|^2 with
unitary matrices C that are chosen by the observer. This problem has
applications to quantum process tomography, when the unknown process is a
unitary operation.
We show that PhaseLift, a convex programming algorithm for phase retrieval,
can be adapted to this matrix setting, using measurements that are sampled
from unitary 4- and 2-designs. In the case of unitary 4-design
measurements, we show that PhaseLift can reconstruct all unitary matrices,
using a near-optimal number of measurements. This extends previous work on
PhaseLift using spherical 4-designs.
In the case of unitary 2-design measurements, we show that PhaseLift still
works pretty well on average: it recovers almost all signals, up to a
constant additive error, using a near-optimal number of measurements. These
2-design measurements are convenient for quantum process tomography, as
they can be implemented via randomized benchmarking techniques. This is the
first positive result on PhaseLift using 2-designs.
(This is joint work with Shelby Kimmel.)
Biography:
Yi-Kai Liu is a computer scientist at the US National Institute of
Standards and Technology (NIST), and a Fellow at the Joint Center for
Quantum Information and Computer Science (QuICS) at the University of
Maryland. He specializes in quantum computation and cryptography. He has
worked on the design of tamper-resistant quantum devices, compressed
sensing methods for quantum tomography, quantum algorithms based on wavelet
transforms, and the computational complexity of quantum chemistry. He
received his PhD in computer science at the University of California in San
Diego in 2007, and was a postdoctoral researcher at Caltech and UC Berkeley
until 2011, when he moved to NIST.
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--
Dirk R. Englund
Associate Professor of Electrical Engineering and Computer Science
Massachusetts Institute of Technology
77 Massachusetts Avenue, Room 36-591
englund(a)mit.edu; (617) 324-7014; http://qplab.mit.edu
_______________________________________________
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qip(a)mit.edu
http://mailman.mit.edu/mailman/listinfo/qip
There seemed to be a shortage of chalk at the different offices so I
ordered some. Please feel free to swing by and grab a box or two.
Siria
--
*Siria Serrano*
*Faculty Assistant*
*Aspuru-Guzik Group*
*Harvard University **Department of Chemistry and Chemical Biology*
*12 Oxford St. M 136*
*Cambridge, MA 02138*
*P:** (617) 496-1716 <%28617%29%20496-1716>** F: **617-496-9411
<617-496-9411>*