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X-WR-CALDESC:Events for Quantum Initiative
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DTSTART;TZID=America/New_York:20240906T101500
DTEND;TZID=America/New_York:20240906T111500
DTSTAMP:20260516T220418
CREATED:20240828T213338Z
LAST-MODIFIED:20240828T235536Z
UID:10000302-1725617700-1725621300@quantum.ncsu.edu
SUMMARY:Quantum Diamond Sensors — Best of Both Worlds
DESCRIPTION:Abstract\nThe nitrogen–vacancy (NV) quantum defect in diamond is a leading modality for magnetic\, electrical\, temperature\, and pressure sensing with high spatial resolution and wide field-of-view\, operating under both ambient and extreme conditions. This quantum sensing technology has diverse applications across the physical and life sciences — from probing magnetic materials and electronic systems to biomedical diagnostics. I will provide an overview of quantum diamond sensors and their many applications. \nSpeaker Bio\nProf. Ronald Walsworth is the Director of the Quantum Technology Center and a Minta Martin Professor of Physics and of Electrical and Computer Engineering at the University of Maryland. He leads an interdisciplinary research group with a focus on developing quantum sensing tools and applying them to problems in both the physical and life sciences. He has co-founded several technology companies\, including Hyperfine\, which produces portable\, low-field MRI machines; and Quantum Catalyzer.
URL:https://quantum.ncsu.edu/event/quantum-diamond-sensors-best-of-both-worlds/
LOCATION:EB2-1231\, 890 Oval Dr\, Raleigh\, NC\, 27695\, United States
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DTSTART;TZID=America/New_York:20240906T130000
DTEND;TZID=America/New_York:20240906T140000
DTSTAMP:20260516T220418
CREATED:20240828T225949Z
LAST-MODIFIED:20240829T000820Z
UID:10000303-1725627600-1725631200@quantum.ncsu.edu
SUMMARY:Quantum Bayesian Framework for Efficient Storage of Quantum Information
DESCRIPTION:Abstract\nSuperposition\, entanglement and nonlocality are the hallmarks of the quantum framework. In this talk\, we consider the problem of reliable storage of quantum information with qubit rate below its von Neumann entropy with controlled loss. This requires a transformation of the quantum source state into a more entangled reconstruction state with smaller entropy. Inspired by the duality connections between the data compression and data transmission problems in the classical setting\, we propose a new formulation for the lossy quantum data compression problem. This formulation differs from the existing quantum rate-distortion theory in two aspects. Firstly\, we require that the reconstruction of the compressed quantum source fulfill a nonlocal (global) error constraint as opposed to the sample-wise local entanglement fidelity criterion used in the standard rate-distortion setting. Secondly\, to measure the reconstruction error\, instead of a distortion observable\, we employ the notion of a backward quantum channel which we refer to as a `posterior reference map’. This is analogous to the posterior probability studied in the classical Bayesian framework. This leads to a novel quantum Bayesian perspective for lossy representation of quantum information. Using these concepts\, we design a quantum coding scheme consisting of an encoder and a decoder that transforms the source state into an entangled reconstruction state efficiently. We characterize the optimum performance in terms of single-letter coherent information of the given posterior reference map. It turns out that this leads to a new problem formulation even in the classical setting. We also look at this problem\, and characterize the optimum performance in terms of single-letter mutual information quantities with respect to appropriately defined channels analogous to the posterior reference map. We also provide several examples for the formulations. \nSpeaker Bio\nS. Sandeep Pradhan received his Ph.D degree from the Electrical Engineering and Computer Science (EECS) department of the Universlity of California at Berkeley in 2001. He has been a member of faculty in the department of EECS at the University of Michigan since 2002. His research interests include classical and quantum information processing. He is a Fellow of IEEE. \n 
URL:https://quantum.ncsu.edu/event/quantum-bayesian-framework-for-efficient-storage-of-quantum-information/
LOCATION:Virtual
ORGANIZER;CN="IBM Quantum Innovation Center at NC State":MAILTO:quantumhelp@ncsu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240913T130000
DTEND;TZID=America/New_York:20240913T140000
DTSTAMP:20260516T220418
CREATED:20240829T174726Z
LAST-MODIFIED:20240909T205739Z
UID:10000322-1726232400-1726236000@quantum.ncsu.edu
SUMMARY:Quantum Simulation of Spin-Boson Models with Structure Bath
DESCRIPTION:Abstract\nThe spin-boson model\, involving spins interacting with a bath of quantum harmonic oscillators\, is a widely used representation of open quantum systems that describe many dissipative processes in physical\, chemical and biological systems. Trapped ions present an ideal platform for simulating the quantum dynamics of such models\, by accessing both the high-quality internal qubit states and the motional modes of the ions for spins and bosons\, respectively. We demonstrate a fully programmable method to simulate dissipative dynamics of spin-boson models using a chain of trapped ions\, where the initial temperature and the spectral densities of the boson bath are engineered by controlling the state of the motional modes and their coupling with qubit states. Our method provides a versatile and precise experimental tool for studying open quantum systems. \n  \nSpeaker Bio\nDr. Ke Sun received his B.S. in Physics from Shanghai Jiao Tong University in 2018. He received his PhD in Physics from Duke University in 2024. His thesis was titled “Quantum simulation of electron transfer dynamics using a trapped ion quantum system.”
URL:https://quantum.ncsu.edu/event/triangle-quantum-computing-seminar-series-talk-2/
LOCATION:Virtual
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240920T130000
DTEND;TZID=America/New_York:20240920T140000
DTSTAMP:20260516T220418
CREATED:20240829T173021Z
LAST-MODIFIED:20240829T173021Z
UID:10000318-1726837200-1726840800@quantum.ncsu.edu
SUMMARY:No Seminar This Week
DESCRIPTION:
URL:https://quantum.ncsu.edu/event/no-seminar-this-week/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20240927T130000
DTEND;TZID=America/New_York:20240927T140000
DTSTAMP:20260516T220418
CREATED:20240828T235409Z
LAST-MODIFIED:20240829T000301Z
UID:10000305-1727442000-1727445600@quantum.ncsu.edu
SUMMARY:Quantum trading - a disturbance in the force (of supply and demand)
DESCRIPTION:Abstract\nThe influence of information technologies such as the telegraph\, personal computers\, the internet\, and artificial intelligence has been profound\, driving significant global economic growth and creating substantial value. We are now on the brink of another technological revolution: the advent of quantum computers. Quantum computers leverage the principles of quantum physics\, offering two primary advantages—unprecedented computing speeds and the ability to solve problems that classical computers cannot\, particularly in finding optimal Nash equilibrium solutions in non-cooperative games\, which have broad applications in economics and finance. In this context\, we introduce a prototype for a “quantum trading” platform\, designed to use quantum computing to manage trades as scenarios of the Prisoner’s Dilemma\, a classic non-cooperative game. Remarkably\, our findings suggest that the traditional mass-sell market equilibrium is replaced by a more advantageous mass-buy market equilibrium when quantum computing is applied. We will explore the potential implications of such a quantum trading platform on short selling\, especially in emissions trading and green markets. \nSpeaker Bio\n\nDr. Faisal Shah Khan is a mathematician with a global track record in advancing quantum computing and quantum communication technology across academia\, government\, and industry. His contributions to the discipline include the use of matrix decomposition techniques for synthesis of quantum logic circuits\, manifold embedding to explore fixed-point guarantee of Nash equilibrium in quantum games\, and developing applications of first generation quantum computing platforms in business and finance. Dr. Khan is a research fellow at Rethinc. Labs in UNC Kenan-Flagler Business School and an adjunct professor at SKEMA Business School USA. He is also a member of the North Carolina Coalition for Global Competitiveness. \n 
URL:https://quantum.ncsu.edu/event/quantum-trading-a-disturbance-in-the-force-of-supply-and-demand/
LOCATION:Virtual
ORGANIZER;CN="IBM Quantum Innovation Center at NC State":MAILTO:quantumhelp@ncsu.edu
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