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[Aspuru-Guzik Group List] TODAY - J250 - MPHQ Spring Scientific Meeting

by Ploucha, Clare

Dear all, We hope you will join us for some or all of the Max Planck/Harvard Research Center for Quantum Optics (MPHQ) Spring Scientific Meeting, taking place today from 9:00am-6:00pm. A detailed program can be found on our website<https://mphq.physics.harvard.edu/mphq-spring-scientific-meeting>, but a general outline is below: SYMPOSIUM 9:00 AM – 4:30 PM JEFFERSON 250 *PLEASE NOTE NEW LOCATION* Refreshments will be served 9:00am-12:30pm: Opening Remarks and MPHQ Postdoctoral Fellow Talks [LUNCH BREAK] 2:00pm-3:15pm: MPHQ Postdoctoral Fellow Talks 3:15pm: Keynote: Prof. Gerhard Rempe (MPQ), “Ns and Butterflies in Cavity QED” 4:00pm: Closing Remarks, Prof. Immanuel Bloch (MPQ) POSTER SESSION 4:30 – 6:00 PM JEFFERSON 450 (PHYSICS LIBRARY) Refreshments will be served -- Clare Ploucha Administrative Program Manager Max Planck/Harvard Research Center for Quantum Optics Department of Physics 17 Oxford Street, Jefferson 357 Cambridge, MA 02138 P: 617-495-3388

5 years, 1 month

[Aspuru-Guzik Group List] Friday, May 24 - MPHQ Spring Scientific Meeting

by Ploucha, Clare

Dear all, We hope you will join us for the Max Planck/Harvard Research Center for Quantum Optics (MPHQ) Spring Scientific Meeting, taking place this Friday, May 24, from 9:00am-6:00pm. A detailed program can be found on our website<https://mphq.physics.harvard.edu/mphq-spring-scientific-meeting>, but a general outline is below: SYMPOSIUM 9:00 AM – 4:30 PM JEFFERSON 250 *PLEASE NOTE NEW LOCATION* Refreshments will be served 9:00am-12:30pm: Opening Remarks and MPHQ Postdoctoral Fellow Talks [LUNCH BREAK] 2:00pm-3:15pm: MPHQ Postdoctoral Fellow Talks 3:15pm: Keynote: Prof. Gerhard Rempe (MPQ), “Ns and Butterflies in Cavity QED” 4:00pm: Closing Remarks, Prof. Immanuel Bloch (MPQ) POSTER SESSION 4:30 – 6:00 PM JEFFERSON 450 (PHYSICS LIBRARY) Refreshments will be served We would appreciate if you could indicate your interest in attending the event by registering (no charge) at the “Sign up for this event” link<https://mphq.physics.harvard.edu/event/mphq-spring-scientific-meeting> on our website. -- Clare Ploucha Administrative Program Manager Max Planck/Harvard Research Center for Quantum Optics Department of Physics 17 Oxford Street, Jefferson 357 Cambridge, MA 02138 P: 617-495-3388

5 years, 1 month

[Aspuru-Guzik Group List] No group meeting May 16

by Riley Hickman

Hi all, There will be no group meeting today. Best, Riley

5 years, 1 month

[Aspuru-Guzik Group List] Group meeting May 2

by Riley Hickman

Hi all, Danny will give the group meeting presentation tomorrow. His title and abstract can be found below. We will meet slightly later than normal, at 2:45pm in SS571. If you would like to join the meeting via Skype, please send me your information. See you all tomorrow, Riley --------------------------------------------- Title: Organic Flow Battery Electrolyte Discovery Abstract: I will summarize the work of our group’s long-standing flow battery collaboration with Mike Aziz and Roy Gordon. Flow batteries are a strong candidate for solving the intermittency problems associated with wind and solar energy. Initially, we attempted to solve this problem and discover new molecules with chemical intuition and brute force high-throughput virtual screening. More recently, Florian, Loïc, and I have been collaborating on using their Phoenics/Chimera/Griffin algorithms/methods to more efficiently explore chemical space. The best and most-polished parts of this talk will probably be taken from my heavily practiced job talk, whereas the parts that still need a bit more polishing are going to be presented at a JCESR/University of Illinois/MIT workshop on flow batteries at the end of the month.

5 years, 1 month

[Aspuru-Guzik Group List] Group Meeting Apr 25

by Riley Hickman

Hi all, Doran will speak at the group meeting today. See below for his title and abstract. The Toronto side will meet in SS571 at 2:30pm. If you would like to join the meeting, please send me you Skype information. Best, Riley -------------------------------------------------- Title: Mesoscale quantum dynamics Abstract: I will present an informal group meeting with a forward outlook on quantum dynamics projects in my future lab. I will mainly be discussing my perspective on the developing field of mesoscale quantum dynamics - the study of quantum effects influencing material properties arising on the 10-100 nm length scale. I will also present some (extremely) preliminary data showing a pathway towards numerically exact simulations of quantum dynamics incorporating >>1,000 degrees of freedom.

5 years, 2 months

[Aspuru-Guzik Group List] [qip] Fwd: Job recommendation

by Aram Harrow

Xanadu is hiring quantum algorithms people with undergrad degrees - see attached. ---------- Forwarded message --------- From: Christian Weedbrook <christian(a)xanadu.ai> Date: Mon, Apr 22, 2019 at 6:14 PM Subject: Job recommendation To: Aram Harrow <aram(a)mit.edu> Hi Aram, Hope you are doing well. Do you have any recommendations of someone who would fit the attached description? Thanks! -- Christian Weedbrook, Founder/CEO xanadu.ai _______________________________________________ qip mailing list qip(a)mit.edu http://mailman.mit.edu/mailman/listinfo/qip

5 years, 2 months

[Aspuru-Guzik Group List] Thesis defense (Benjamin Sanchez-Lengeling), this thursday

by Benjamin Sanchez-Lengeling

Hi fellow A2G2-ers, It's been a long PhD journey and now I'm gonna defend my thesis this Thursday 25 2019 at 1:15-3:00 at the 60 Oxford St. 330 room, its one minute away from Maxwell Dorkin and two from Chemistry. If you wanna hear about ML and chemistry, come! The invitation is last minute, it's also during the day, so no worries about not coming. Hope all is well Ben

5 years, 2 months

[Aspuru-Guzik Group List] TODAY at 4:00pm - Special Seminar - Elie Wolfe

by Ploucha, Clare

Harvard Quantum Initiative Special Seminar Thursday, April 18 4:00 PM Jefferson 250 Elie Wolfe (Perimeter Institute) Quantum Nonlocality as a challenge to Classical Causality: How Bell’s Theorem is advancing Causal Inference and vice versa. A signature example of the nonclassicality of quantum theory is codified in Bell's Theorem, which certifies the nonlocal correlations arising from product measurements on an entangled quantum state as defying any classical explanation. I'll interpret Bell's Theorem as a statement about the existence of nonclassical "common causes." By considering novel causal scenarios, beyond Bell scenarios, we gain insight into the fundamental quantum nature of cause and effect. I'll show how machine learning (causal discovery algorithms) are crashed by quantum statistics, and I'll discuss my own effort to separate quantum correlations from their classical counterparts in general causal structures. Our approach (unexpectedly) provides a complete solution for classical causal inference, thereby substantially advancing that statistical discipline. Finally, I'll explore quantifying genuinely multipartite entanglement by asking which sorts of quantum causal structures a given state could have arisen from. Based primarily on arXiv:1609.00672<https://urldefense.proofpoint.com/v2/url?u=https-3A__arxiv.org_abs_1609.006…>, though also drawing on arXiv:1707.06476<https://urldefense.proofpoint.com/v2/url?u=https-3A__arxiv.org_abs_1707.064…> and arXiv:1903.06311<https://urldefense.proofpoint.com/v2/url?u=https-3A__arxiv.org_abs_1903.063…>, as well as unpublished results. -- Clare Ploucha Administrative Program Manager Max Planck/Harvard Research Center for Quantum Optics Department of Physics 17 Oxford Street, Jefferson 357 Cambridge, MA 02138 P: 617-495-3388

5 years, 2 months

[Aspuru-Guzik Group List] Group meeting April 18

by Riley Hickman

Hi all, Tim will give the group meeting presentation tomorrow. His title and abstract can be found below. The Toronto side will meet in SS571 at 2:30pm. If you would like to join the meeting via Skype, please send me you information. Best, Riley ----------------------------------------------- Title: Automated discovery and steps towards implementation of 4-local couplers for superconducting qubits Abstract: Interactions of more than two bodies simultaneously rarely appear in nature. Even in dense systems, forces usually act pairwise. However, n-local terms with n>3 frequently arise when mapping physical or mathematical problems to an Ising spin Hamiltonian. Superconducting flux qubits have emerged as a promising, versatile platform to simulate such spin systems and find their ground state, but the implementation of n-local superconducting qubit couplers has so far proven elusive. We have developed automated discovery software that intelligently searches the design space of superconducting circuits to fulfill desired spectral properties. After benchmarking the versatile software tool on well-known circuits, we have applied it to the design of 4-local couplers and found candidate circuits achieving up to several hundred MHz of coupling strength. In a second step, we have gained intuition for such couplers by invoking the physics of basic superconducting circuit building blocks. In this way, we were able to further tailor the circuit design towards a chip layout for experimental verification of the coupler properties. For future work, we propose experimental tests with successively larger numbers of qubits

5 years, 2 months

[Aspuru-Guzik Group List] [qip] Fwd: FW: April 24, 8pm - 2019 David M. Lee Historical Lecture in Physics - Anton Zeilinger, "Quantum Information and Quantum Communication, Foundations and Prospects"

by Aram Harrow

another relevant talk ---------- Forwarded message --------- From: Christina Andujar <candujar(a)mit.edu> Date: Tue, Apr 16, 2019 at 10:17 PM Subject: FW: April 24, 8pm - 2019 David M. Lee Historical Lecture in Physics - Anton Zeilinger, "Quantum Information and Quantum Communication, Foundations and Prospects" To: Begin forwarded message: *From: *"Davis, Jolanta M." <jmdavis(a)fas.harvard.edu> *Subject: April 24, 8pm - 2019 David M. Lee Historical Lecture in Physics - Anton Zeilinger, "Quantum Information and Quantum Communication, Foundations and Prospects"* *Date: *April 16, 2019 at 3:54:19 PM EDT *To: *"Davis, Jolanta M." <jmdavis(a)fas.harvard.edu> *Please forward to your department faculty, students, and research scholars this information about the 2019 David M. Lee Historical Lecture in Physics.* In addition to the Lee Lecture mentioned below, on Thursday, April 25, Professor Zeilinger will also present and speak about a film he had commissioned, "Exile and Excellence: The Class of '38", which features 16 eminent Austrian-born US American and British scholars, who share their life stories after they managed to escape Nazi persecution as children in Austria. One of the scholars featured in the movie is Prof. Gerald Holton from the Physics Department at Harvard University. This event (on April 25) will be held at Harvard's Center for European Studies (CES), at 4:30-6:00. For more information, please see: https://ces.fas.harvard.edu/events/2019/04/austrian-academy-of-sciences---c… David M. Lee Historical Lectures in Physics, sponsored by the Marvin and Annette Lee Fund, are free and open to the public. *April 24, 2019* *8:00 pm* *Jefferson Laboratories 250* Physics Department 17 Oxford Street Cambridge, MA A dessert reception following the lecture will be held in Jefferson 450 – Physics Department Library. *Anton Zeilinger* Vienna Center for Quantum Science and Technology, University of Vienna Institute for Quantum Optics and Quantum Information, Austrian Academy of Sciences [image: cid:image001.jpg@01D4E55D.AEA16900] *“Quantum Information and Quantum Communication, Foundations and Prospects”* It is curious that the development of quantum physics – arguably the most successful description of nature ever – was accompanied by fundamental debates from the early days until today. Schrödinger’s cat, Einstein’s “spooky action at a distance” and his comment that “God does not play dice with the Universe” are deeply rooted in fundamental features of the theory: superposition, entanglement and randomness. The concept of Quantum Information encompasses these fundamental features. In the talk, I will discuss some fundamental experiments. For example, in delayed-choice entanglement swapping, the decision whether two photons which share no common past are entangled or not can be made at the time when they already have been detected. An interesting and very visual workhorse are orbital angular momentum states of photons. They opened up the possibility for higher-dimensional quantum experiments. That way, entanglement has been confirmed for quantum numbers above 10.000 and between two more than 100-dimensional quantum states. In the talk, I will also mention recent experiments in higher dimensions where the setup has been designed by the computer program Melvin. Finally, a recent Cosmic Bell Test experiment will be discussed, where the randomness is taken from fluctuations of light from distant quasars. The talk will conclude with a most technical application, the implementation of intercontinental quantum cryptography between Beijing and Vienna via the Chinese quantum satellite Micius, and with The Big Bell Test involving 100.000 participants providing independent input for 13 experiments on 5 continents. _________ Jolanta M. Davis | Administrator to the Chair | Harvard University | Department of Physics | 17 Oxford St., Jefferson 370 | Cambridge, MA 02138 | Tel.: 617-495-2866 | Fax: 617-495-0416 | https://www.physics.harvard.edu/ _______________________________________________ qip mailing list qip(a)mit.edu http://mailman.mit.edu/mailman/listinfo/qip

5 years, 2 months

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