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#Quantum Channels

Showing: 29 courses
Institute for Advanced Study

Quantum Circuits, Cellular Automata and Tensor Networks - Ignacio Cirac

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Explore quantum circuits, cellular automata, and tensor networks, focusing on their representations, entanglement properties, and generalizations to quantum channels and measurement-assisted dynamics.
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10 Lesons
1 hour 10 minutes
On-Demand
Free-Video
Centre International de Rencontres Mathématiques

Spectrum of Random Quantum Channels

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Explore the spectrum of random quantum channels in this advanced mathematical talk by Cécilia Lancien, delving into complex concepts and recent research findings.
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1 Lesons
45 minutes
On-Demand
Free-Video
Centre International de Rencontres Mathématiques

Interpolation Between Random Matrices and Free Operators, and Applications

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Explore interpolation between random matrices and free operators, with applications in quantum information theory and random matrix theory.
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1 Lesons
44 minutes
On-Demand
Free-Video
Centre International de Rencontres Mathématiques

Strong Convergence for Tensor GUE Random Matrices

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Explore strong convergence in tensor GUE random matrices, delving into advanced mathematical concepts and their applications in quantum systems.
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1 Lesons
39 minutes
On-Demand
Free-Video
Illinois Quantum

Quantum Entanglement vs Classical Communication in XOR Games

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Explore the comparative power of quantum entanglement and classical communication in XOR games, examining their effectiveness and implications for quantum information theory.
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1 Lesons
57 minutes
On-Demand
Free-Video
Squid: Schools for Quantum Information Development

Limits of Noisy Quantum Metrology with Restricted Quantum Controls

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Delve into quantum metrological limits, exploring how restricted quantum controls affect parameter estimation precision and the achievability of Heisenberg and standard quantum limits in noisy systems.
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1 Lesons
28 minutes
On-Demand
Free-Video
Institute for Pure & Applied Mathematics (IPAM)

Schrödinger Bridges - Classical and Quantum

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Explore Schrödinger bridges in classical and quantum contexts, their applications to Markov chains and quantum channels, and their solutions for probability distributions and state evolutions.
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18 Lesons
22 minutes
On-Demand
Free-Video
Institute for Pure & Applied Mathematics (IPAM)

Open Quantum Systems in Quantum Computing - IPAM at UCLA

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Explore efficient methods for simulating open quantum systems, utilizing quantum channels for non-Markovian dynamics, and scaling noise in quantum circuits with expert Xiantao Li.
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1 Lesons
54 minutes
On-Demand
Free-Video
Illinois Quantum

The Theory of Quantum Information - Channels, Capacities, and Communication Resources

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Delve into quantum information theory's core concepts, exploring communication channels, entanglement, and quantum capabilities while discovering new perspectives on quantum theory fundamentals.
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1 Lesons
58 minutes
On-Demand
Free-Video
Illinois Quantum

Fault-Tolerant Coding for Quantum Communication - Threshold Theorems and Error Rates

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Delve into quantum communication theory, exploring fault-tolerant coding methods, threshold theorems, and practical implementations for reliable message transmission across noisy channels.
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19 Lesons
54 minutes
On-Demand
Free-Video
Squid: Schools for Quantum Information Development

New Approaches to Complexity via Quantum Graphs

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Explore groundbreaking research on quantum graph complexity theory, examining clique problems and quantum channels while comparing complexity classes QMA(2), QMA, MA, and NP.
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1 Lesons
24 minutes
On-Demand
Free-Video
Squid: Schools for Quantum Information Development

Robustness of Fixed Points of Quantum Channels and Application to Approximate Quantum Markov Chains

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Explore the mathematical foundations of quantum channels' fixed points and their applications to quantum Markov chains, focusing on approximation methods and dimensional scaling properties.
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1 Lesons
26 minutes
On-Demand
Free-Video
Squid: Schools for Quantum Information Development

Sufficiency of Rényi Divergences in Quantum Information Theory

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Delve into quantum state equivalence and Rényi divergences, exploring their sufficiency in classical and quantum systems, with applications to state transitions and resource theory.
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1 Lesons
27 minutes
On-Demand
Free-Video
Institute for Pure & Applied Mathematics (IPAM)

Introduction to Quantum Computing - Part 3 - IPAM at UCLA

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Explore density matrices, mixed states, and quantum channels in cryptography. Learn about POVM measurement and distance measures for quantum states and operators.
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1 Lesons
58 minutes
On-Demand
Free-Video
Institute for Pure & Applied Mathematics (IPAM)

A Chain Rule for the Quantum Relative Entropy

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Explores a chain rule for quantum relative entropy, its implications for quantum statistics, and the comparison of adaptive vs non-adaptive strategies in quantum channel discrimination.
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1 Lesons
23 minutes
On-Demand
Free-Video
Simons Institute

Fault Tolerance of Stabilizer Channels

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Explore quantum error correction and fault tolerance in stabilizer channels, focusing on recent advancements and their implications for quantum computing systems.
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1 Lesons
51 minutes
On-Demand
Free-Video
Squid: Schools for Quantum Information Development

Foundations for Estimating Pauli Noise in Quantum Error Correction

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Delve into quantum device characterization and Pauli noise estimation in error correction, exploring efficient protocols for syndrome measurements and practical implementation strategies.
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1 Lesons
29 minutes
On-Demand
Free-Video
Squid: Schools for Quantum Information Development

Fault-tolerant Coding for Entanglement-Assisted Communication

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Delve into fault-tolerant coding methods for quantum channels, exploring entanglement-assisted communication and innovative techniques for reliable information transmission despite noisy quantum gates.
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1 Lesons
25 minutes
On-Demand
Free-Video
Squid: Schools for Quantum Information Development

Sample-Optimal Quantum Process Tomography with Non-Adaptive Incoherent Measurements

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Delve into quantum process tomography theory, exploring sample complexity bounds for learning quantum channels using non-adaptive incoherent measurements and diamond norm approximations.
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10 Lesons
27 minutes
On-Demand
Free-Video
Squid: Schools for Quantum Information Development

Composite Classical and Quantum Channel Discrimination

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Explore binary composite channel discrimination in quantum information theory, focusing on asymmetric settings, parallel vs adaptive strategies, and their applications in classical channels.
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12 Lesons
25 minutes
On-Demand
Free-Video
Fields Institute

Information Fragility or Robustness Under Quantum Channels

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Explore quantum information's resilience in channels, examining fragility and robustness concepts with expert Graeme Smith from University of Waterloo.
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1 Lesons
24 minutes
On-Demand
Free-Video
Kavli Institute for Theoretical Physics

Gaps of Local Quantum Channels in the Weak-Dissipation Limit

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Delve into quantum channel behavior and weak-dissipation limits through an advanced physics lecture exploring local quantum systems and their fundamental properties at the quantum level.
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1 Lesons
42 minutes
On-Demand
Free-Video
Centrum Fizyki Teoretycznej PAN

Open Quantum System Asymptotics - A Guided Tour

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Delve into the asymptotic evolution of open quantum systems, exploring universal bounds, steady states, and large-time dynamics with applications in quantum information processing and state preparation.
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1 Lesons
57 minutes
On-Demand
Free-Video
Centrum Fizyki Teoretycznej PAN

Creation and Destruction of Coherence by Quantum Channels

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Explore quantum coherence creation and destruction through channels. Analyze cohering power, capacity, and complete cohering power. Examine decoherence enhancement via system-environment entanglement.
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1 Lesons
48 minutes
On-Demand
Free-Video
Bogolyubov Institute for Theoretical Physics

Чисельна симуляція атмосферних квантових каналів

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Дізнайтеся про методи чисельної симуляції квантових каналів в атмосфері та їх застосування у сучасній теоретичній фізиці через призму новітніх досліджень.
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1 Lesons
1 hour 5 minutes
On-Demand
Free-Video
Centrum Fizyki Teoretycznej PAN

Asymptotics and Typicality of Sequential Generalized Measurements

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Explore the relation between projective and generalized quantum measurements, proving how projective measurements arise from sequential generalized measurements in the asymptotic limit.
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1 Lesons
1 hour 18 minutes
On-Demand
Free-Video
Centrum Fizyki Teoretycznej PAN

Beyond Quantum Markovian Semigroups

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Explore open quantum systems, Markovian semigroups, and non-Markovian evolution. Gain insights into complete positivity, quantum channels, and connections to quantum stochastic processes.
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1 Lesons
1 hour 19 minutes
On-Demand
Free-Video
Centrum Fizyki Teoretycznej PAN

Nonlocality of Channels Under Decoherence

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Explore nonlocality in quantum channels, focusing on its persistence under decoherence. Gain insights into identifying nonlocal properties of bipartite channels and their behavior in realistic setups.
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1 Lesons
1 hour 4 minutes
On-Demand
Free-Video
Isaac Newton Institute for Mathematical Sciences

Quantum Shannon Theory - Rothschild Lecture

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Explore quantum Shannon theory, examining channel capacities, coding theorems, and entropic quantities in quantum information science. Delve into mathematical challenges and open problems in the field.
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1 Lesons
1 hour 10 minutes
On-Demand
Free-Video