Abrikosov Center for Theoretical Physics (ACTP) Courses

The Discovery of Supersolidity

Discover the fascinating phenomenon of supersolidity, its theoretical origins, failed attempts in Helium-4, and recent successful observations in cold atom and exciton-polariton systems with Prof. Kavokin.

• YouTube
• 57 minutes
• Self-Paced
• Free Video

Coherent Quantum Phase Slip Effect in Superconductors

Explore the fundamental Coherent Quantum Phase Slip effect in superconductors, its duality to Josephson effect, and applications in quantum metrology standards.

• YouTube
• 1 hour 21 minutes
• Self-Paced
• Free Video

Polariton XY-Simulators Revisited

Explore polariton condensate simulators for ultrafast classical XY Hamiltonian emulation, phase configuration selection mechanisms, and scalable optimization problem solving.

• YouTube
• 1 hour 3 minutes
• Self-Paced
• Free Video

Transition to Turbulence in Pipes and Directed Percolations

Explore the physics of turbulence transition in pipes through directed percolation theory and nonequilibrium phase transitions in this specialized seminar.

• YouTube
• 50 minutes
• Self-Paced
• Free Video

Unusual Effects in Transport and Magnetism of Layered AFM Semimetals - The Emergence of Ferromagnetism Due to Nanodefects

Explore unusual transport and magnetic effects in layered antiferromagnetic semimetals, focusing on how nanodefects create ferromagnetism in materials like MnBi₂Te₄ and EuSn₂As₂.

• YouTube
• 1 hour 4 minutes
• Self-Paced
• Free Video

Chiral Asymmetry in the Photoeffect with Vortex Photoelectrons

Explore chiral asymmetry in photoeffect with vortex photoelectrons and discover new methods for determining molecular chirality using orbital angular momentum.

• YouTube
• 1 hour 5 minutes
• Self-Paced
• Free Video

Theoretical Predictions for Measurable Manifestations of the Q-Ball Mechanism of Superconductivity in High-Tc Cuprates

Explore theoretical predictions for Q-ball mechanisms in high-Tc superconductivity, covering pseudogap states, diamagnetism, and electrical resistivity calculations.

• YouTube
• 1 hour 24 minutes
• Self-Paced
• Free Video

Theory and Applications of Siegert States

Explore Siegert states theory and applications in quantum scattering, covering bound states, resonances, and pseudo-states for realistic collision systems.

• YouTube
• 1 hour 11 minutes
• Self-Paced
• Free Video

KPZ Universality Class and Beyond - From Exact Solutions to Universal Laws

Explore KPZ universality class through exact solutions and universal laws in non-equilibrium systems, from interface growth to traffic flows and integrable system theory.

• YouTube
• 1 hour 18 minutes
• Self-Paced
• Free Video

Dissipation-Induced Steady States in Topological Superconductors - Mechanisms and Design Principles

Explore dissipation engineering in topological superconductors to stabilize degenerate steady states through controlled environmental fields and Majorana zero modes.

• YouTube
• 1 hour 18 minutes
• Self-Paced
• Free Video

Time-Optimal Transfer of the Quantum State in Long Qubit Array

Discover optimal control strategies for quantum state transfer in large qubit arrays, achieving maximal fidelity and minimal transfer time at the quantum speed limit.

• YouTube
• 1 hour 10 minutes
• Self-Paced
• Free Video

Pseudospin Ferromagnetism in the Quantum Hall Regime

Explore pseudospin ferromagnetism in quantum Hall systems through electron spin resonance techniques to understand phase transitions in multi-valley 2D electron systems.

• YouTube
• 1 hour 14 minutes
• Self-Paced
• Free Video

Tunneling Ionization - From Oppenheimer to the Weak-Field Asymptotic Theory

Explore the evolution and theoretical foundations of tunneling ionization in atoms and molecules, from Oppenheimer's early work to modern Weak-Field Asymptotic Theory applications.

• YouTube
• 1 hour 10 minutes
• Self-Paced
• Free Video

Relativistic Plasmon-Polaritons in Screened Two-Dimensional Systems and Related Phenomena

Explore the physics of relativistic plasmon-polaritons in screened 2D systems, including transverse plasma modes and Purcell effect implementation in GaAs/AlGaAs quantum wells.

• YouTube
• 1 hour 1 minute
• Self-Paced
• Free Video

Spin-Meissner Effect in Coupled Polariton Condensate Systems

Explore the interplay between Zeeman splitting and spin-flip tunneling in coupled polariton condensates, examining how system geometry affects the spin-Meissner effect and creates opportunities for photonic device design.

• YouTube
• 1 hour 21 minutes
• Self-Paced
• Free Video