Introduction

Some notions of condensed matter physics from the TGD point of view

1. The notion of Brillouin zone from the TGD viewpoint

2. Topological condensed matter physics and TGD

3. The new view about classical fields

4. About quantum criticality in TGD

5. What infinite-volume limit could mean in TGD?

6. The notions of geometric phase, Berry curvature, and fidelity in TGD?

7. Quantum hydrodynamics in TGD context

8. Length scale hierarchies

9. A general model of macroscopic quantum phases

Some concrete questions and problems

1. Skyrmions in TGD framework

2. Dark matter and condensed matter physics

3. What happens in the transition to superconductivity?

4. Spin ice and quantum spin ice from TGD viewpoint

5. Condensed matter Majorana fermions in the TGD framework

6. Condensate of electron quadruplets as a new phase of condensed matter

7. Does the phenomenon of super oscillation challenge energy conservation?

8. Possible connections with quantum biology

A revolution in lithium-sulphur battery technology?

1. The discovery

2. Some questions with possible answers

3. TGD view of the situation

4. Dark matter and new energy technologies in the TGD framework

Testing of the vision

1. Observation of dark matter

2. Topological physics at space-time and embedding space levels

3. The new view of gauge fields

4. Number theoretical physics

5. ZEO and  new view about quantum measurement theory and thermodynamics

6. Memory materials and zero energy ontology

7. How a rubbing with a microfiber manages to shatter the "bullet proof" windshield of Musk Cybertruck?

Kondo effect from the TGD perspective

1. Kondo effect

2. TGD view of Kondo effect

Appendix

1. Comparison of TGD with other theories

2. Glossary and figures

3. Figures