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The study of physical properties of condensed phases of matter, including solids and liquids.

4 votes
1 answer
106 views

What is line broadening phenomenon in quantum many body physics?

I have been reading Anderson's paper, "Absence of diffusion in a certain Random Lattice" and found the concept of inhomogeneous broadening. I couldn't really find a satisfactory explanation with a val …
Fracton's user avatar
  • 352
4 votes
1 answer
374 views

How does the complexity in Matrix Product states ansatz drop from $D^N$ to $ND$?

I have just started to read about DMRG and MPS. It is said that in case of simple 1D chain with spins states $|\uparrow\rangle$; $|\downarrow\rangle$ and any state in the complete Hilbert space of suc …
Fracton's user avatar
  • 352
1 vote
0 answers
97 views

Resource recommendation for time-dependent DMRG

I am looking for any references (journal article/ review /tutorial) to understand the TEBD (Time-evolution by block decimation) algorithm and code it up for a simple 1D model system. Broadly, I am in …
5 votes
0 answers
238 views

What are gapless superconductors? [duplicate]

How are superconducting materials classified as gapped or gapless, also is this same as saying that a superconductor is conventional or unconventional? Could you explain how this is linked to topology …
Fracton's user avatar
  • 352
1 vote
1 answer
98 views

Reference for understanding vortex physics in superconductors

I have been trying to find a good reference to understand the motion of vortices in type-II superconductors. While most textbooks on superconductivity talk qualitatively about this subject, I have bee …