# Events

Monday, April 23, 2018 — 2:30 PM EDT

## Probing many-body interactions using entangled photons: theory and thoughts for experiments.

### Eric Bittner, University of Houston

Entangled photons offer an exquisite probe to correlated dynamics within a material system. In my talk I shall discuss some recent experiments and our theoretical investigations into developing an input/output scattering theory approach that connects an incoming photon Fock state to an outgoing Fock state, treating both the internal (material) and photon dynamics on a consistent footing. As proof of concept, we show how entangled photons can probe the inner workings of a model system undergoing spontaneous symmetry breaking.

Tuesday, April 24, 2018 — 1:00 PM EDT

## Quantum Computing - Dissipative Quantum Search

### PhD Seminar

#### Chunhao Wang, PhD candidate

David R. Cheriton School of Computer Science

We give a dissipative quantum search algorithm that is based on a novel dissipative query model. If there are $N$ items and $M$ of them are marked, this algorithm performs a fixed-point quantum search using $O(\sqrt{N/M}\log(1/\epsilon))$ queries with error bounded by $\epsilon$. In addition, we present a continuous-time version of this algorithm in terms of Lindblad evolution.

Tuesday, April 24, 2018 — 2:00 PM EDT

## Quantum Computing - A Quantum Algorithm for Simulating Non-sparse Hamiltonians

### PhD Seminar

#### Chunhao Wang, PhD candidate

David R. Cheriton School of Computer Science

We present a quantum algorithm for simulating the dynamics of Hamiltonians that are not necessarily sparse. Our algorithm is based on the assumption that the entries of the Hamiltonian are stored in a data structure that allows for the efficient preparation of states that encode the rows of the Hamiltonian. We use a linear combination of quantum walks to achieve a poly-logarithmic dependence on the precision.

Thursday, April 26, 2018 — 12:00 PM EDT

## Transformative Quantum Technologies (TQT) Lunch and Learn

### Technology Investment and Mentorship

Researchers and early-stage companies may discover numerous investment options on their path to commercial success. While some mechanisms focus on a certain phase of technology development, others promise to fuel growth over a wide R,D&D spectrum, possibly independent of prior investment status. This panel covers a sampling of programs and investment strategies - from technology scouting to angel capital - for mobilizing intellectual property towards impactful deployment.

Panel:

Thursday, April 26, 2018 — 7:00 PM EDT

## Entangled: The series – QUANTUM + Literature

The invention of quantum physics in the early 20th century forced scientists to reconsider many cherished ideas from classical physics, leading to revolutionary changes in our scientific and philosophical understanding of the universe. Quantum phenomena have also proven to be a rich source of metaphors and inspiration for fiction.

Monday, April 30, 2018 — 2:30 PM EDT

## Asymptotic performance of port-based teleportation

### Felix Leditzky, University of Colorado, Boulder

Friday, May 4, 2018 — 2:30 PM EDT

## Impact of atomic structure and dynamics on solar cell performance of metal halide perovskite thin films

### Joshua Choi - University of Virginia

Metal halide perovskites (MHPs) are revolutionizing the solar cell research field - the record power conversion efficiency of MHPs based solar cells has reached 22.7%, which rivals that of silicon solar cells. What is particularly exciting about MHPs is that they can be manufactured into solar cell devices at low-costing using low temperature solution processing. Based on these attributes, MHPs have been called the “next big thing in photovoltaics” and worldwide research efforts have grown explosively.

Thursday, May 17, 2018 — 12:00 PM EDT

## CryptoWorks21 - "So sue me!"

Speaker: Jacqueline Armstrong Gates

Thursday, June 14, 2018 — 12:00 PM EDT

## CryptoWorks21 - Wrap up and overview

Speaker: Tom Hunter and Neil Henderson

Abstract: A lot of different concepts and possibilities have been discussed. The final session will recap those and put them in perspective, with emphasis on the relevance to a "typical" university start up and the people involved.

### April 2018

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