Канал: Jayce

量子多体理论：Lecture1: introduction to quantum many-body physics and transverse field Ising model.

量子多体理论：Lecture1: introduction to quantum many-body physics and transverse field Ising model.

Lecture2_ Peierls argument for Ising model.

Lecture2_ Peierls argument for Ising model.

Lecture3_ Pertubation theory and quantum_classical correspondence for Ising model.

Lecture3_ Pertubation theory and quantum_classical correspondence for Ising model.

Lecture4_ Many-particle wavefunction and second quantization.

Lecture4_ Many-particle wavefunction and second quantization.

Lecture5_ Second quantization for operators and path integral for single particle.

Lecture5_ Second quantization for operators and path integral for single particle.

Lecture6_ Coherent states for bosons and fermions.

Lecture6_ Coherent states for bosons and fermions.

Lecture7_ Path integral of many particle systems.

Lecture7_ Path integral of many particle systems.

Lecture8_ Coherent states for spin.

Lecture8_ Coherent states for spin.

Lecture9_ Path interal for spin

Lecture9_ Path interal for spin

Lecture10_ Berry phase of spin and classical equation of motion.

Lecture10_ Berry phase of spin and classical equation of motion.

Lecture11_ Construction of psi-4 theory and Gaussian integral.

Lecture11_ Construction of psi-4 theory and Gaussian integral.

Lecture12_ Gaussian functional integral and correlation function.

Lecture12_ Gaussian functional integral and correlation function.

Lecture13_ Diagramms of partition function

Lecture13_ Diagramms of partition function

Lecture14_ Pertubation theory for correlation function.

Lecture14_ Pertubation theory for correlation function.

Lecture15_ Laudau's theory

Lecture15_ Laudau's theory

Lecture16_ psi-4 saddle point approximation

Lecture16_ psi-4 saddle point approximation

Lecture21_ Quantum entanglement of many-body systems

Lecture21_ Quantum entanglement of many-body systems

Lecture20_ Z2 lattice gauge theory

Lecture20_ Z2 lattice gauge theory

Lecture19_ U(1) lattice guage theory

Lecture19_ U(1) lattice guage theory

Lecture18_ Gauge invariance and Landau level

Lecture18_ Gauge invariance and Landau level

Lecture17_ Thermodynamics in mean-field theory

Lecture17_ Thermodynamics in mean-field theory

Lecture1: introduction to quantum many-body physics and transverse field Ising model.

Lecture1: introduction to quantum many-body physics and transverse field Ising model.