Laura Mancinska, Centre for Quantum Technologies, Singapore
Ivette Fuentes, The University of Nottingham
Sevag Gharibian, University of California, Berkeley
The study of ground spaces of local Hamiltonians is a fundamental task
in condensed matter physics. In terms of computational complexity
theory, a common focus in this area has been to estimate a given
Hamiltonian’s ground state energy. However, from a physics
perspective, it is often more relevant to understand the structure of
the ground space itself. In this paper, we pursue the latter direction
by introducing the notion of “ground state connectivity” of local
Sahel Ashhab, Qatar Environment and Energy Research Institute, Qatar Foundation
Cavity QED in the ultrastrong-coupling regime & Landau-Zaner-Stückelberg interfereometry
Xiaodong Xu, The University of Washington
The Undergraduate School on Experimental Quantum Information Processing (USEQIP) is a two-week program on the theoretical and experimental study of quantum information aimed primarily at students completing their third undergraduate year. The lectures and experiments are geared toward students in engineering, physics, chemistry, mathematics and computer science, though all interested students are invited to apply.
David Elkouss, Universidad Complutense de Madrid
"Quantum key distribution performs the trick of growing a secret key in two distant places connected by a quantum channel. In practical systems, whether because of finite resources or external conditions, the quantum channel is subject to fluctuations. A rate adaptive information reconciliation protocol, that adapts to the changes in the communication channel, is then required to minimize the leakage of information in the classical postprocessing.
Omar Fawzi, McGill University
The goal of two-party cryptography is to enable Alice and Bob to solve tasks in cooperation even if they do not trust each other. Examples of such tasks include bit commitment, coin flipping and oblivious transfer. Unfortunately, it has been shown that even using quantum communication, none of these tasks can be implemented when the adversary is completely general.
IQC presents the first in a series of lectures from members of industry in quantum computing and quantum information. Jonathan Hodges, VP of engineering for Diamond Nanotechnologies, will be speaking about his research as well as the day-to-day realities of working in industry. You can learn more about the company here: http://www.diamondnanotechnologies.com/
David P. Pappas, NIST
Raul Garcia-Patron, Max-Planck-Institut für Quantenoptik
Magdalena Stobinska, University of Gdańsk/Polish Academy of Sciences, Warsaw
We discuss a device capable of filtering out two-mode states of light with mode populations differing by more than a certain threshold, while not revealing which mode is more populated. It would allow engineering of macroscopic quantum states of light in a way which is preserving specific superpositions. As a result, it would enhance optical phase estimation with these states. We propose an optical scheme, which is a relatively simple, albeit non-ideal, operational implementation of such a filter.
Michael Hilke, McGill University
Takashi Imai, McMaster University
NMR (Nuclear Magnetic Resonance) is a versatile probe of condensed matter, and has a broad range of applications in chemistry, medicine (MRI), oil industry, etc. NMR has become so popular outside the conventional realm of physics that the crucial role NMR has been playing in condensed matter physics is sometimes overlooked. I will explain how condensed matter physicists use NMR as a powerful low energy probe of solids, drawing examples from modern research into statistical physics, magnetism, and superconductivity.
Amir Jafari-Salim, IQC
We provide a quantum algorithm for simulating the
dynamics of sparse Hamiltonians with complexity sublogarithmic in
the inverse error, an exponential improvement over previous methods.
Unlike previous approaches based on product formulas, the query
complexity is independent of the number of qubits acted on, and for
time-varying Hamiltonians, the gate complexity is logarithmic in the
norm of the derivative of the Hamiltonian. Our algorithm is based on
a significantly improved simulation of the continuous- and
Joseph F. Traub, Columbia University
We introduce the notion of strong quantum speedup. To compute this
speedup one must know the classical computational complexity. What is it about the problems of quantum physics and quantum chemistry that enable us to get lower bounds on the classical complexity?
Volkher Scholz, Institute for Theoretical Physics ETH Zurich
Jingyun Fan, National Institute of Standards and Technology
Fernando Pastawski, California Institute of Technology
Layla Hormozi, National University of Ireland
The Institute for Quantum Computing's (IQC) Grad Student Association is screening the 7 Academy Award winning movie Gravity on April 2nd at 7 pm. The event will be followed by a short presentation and Q&A with IQC's associate member, astronaut, and former Canadian Space Agency president Steve MacLean.
Dr. Jianming Cai, Universität Ulm
Color centers are atomic defects in diamond that possess electronic and nuclear spins.
The rapid progress of experiments with color centers in diamond indicates that
they are promising systems for quantum information processing, and more important for quantum
sensing (imaging) under ambient conditions.
Michael Reimer, Delft University of Technology, Netherlands